Obsolete members in .NET Framework

This article list the type members that are obsolete in .NET Framework 4.5 and later versions. Type members are grouped by assembly.

This article doesn't list the members of obsolete types. For a list of obsolete types, see Obsolete types.

mscorlib.dll

Type	Member	Message
Microsoft.Win32.Registry	DynData	The DynData registry key only works on Win9x, which is no longer supported by the CLR. On NT-based operating systems, use the Registry.PerformanceData registry key or the RegistryProxy.PerformanceData registry proxy instead.
System.Activator	CreateInstance(AppDomain, String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of Activator.CreateInstance that doesn't take an System.Security.Policy.Evidence parameter.
System.Activator	CreateInstance(String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of Activator.CreateInstance that doesn't take an System.Security.Policy.Evidence parameter.
System.Activator	CreateInstanceFrom(AppDomain, String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use Evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of Activator.CreateInstanceFrom that doesn't take an System.Security.Policy.Evidence parameter.
System.Activator	CreateInstanceFrom(String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of Activator.CreateInstanceFrom that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	AppendPrivatePath	AppendPrivatePath has been deprecated. Investigate the use of AppDomainSetup.PrivateBinPath instead.
System.AppDomain	ClearPrivatePath	ClearPrivatePath has been deprecated. Investigate the use of AppDomainSetup.PrivateBinPath instead.
System.AppDomain	ClearShadowCopyPath	ClearShadowCopyPath has been deprecated. Investigate the use of AppDomainSetup.ShadowCopyDirectories instead.
System.AppDomain	CreateInstance(String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.CreateInstance that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	CreateInstanceAndUnwrap(String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.CreateInstanceAndUnwrap that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	CreateInstanceFrom(String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.CreateInstanceFrom that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	CreateInstanceFromAndUnwrap(String, String, Boolean, BindingFlags, Binder, Object[], CultureInfo, Object[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.CreateInstanceFromAndUnwrap that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, Evidence)	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, Evidence, PermissionSet, PermissionSet, PermissionSet)	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, PermissionSet, PermissionSet, PermissionSet)	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, String, Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.DefineDynamicAssembly that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, String, Evidence, PermissionSet, PermissionSet, PermissionSet)	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, String, Evidence, PermissionSet, PermissionSet, PermissionSet, Boolean)	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, String, Evidence, PermissionSet, PermissionSet, PermissionSet, Boolean, IEnumerable<CustomAttributeBuilder>)	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.AppDomain	DefineDynamicAssembly(AssemblyName, AssemblyBuilderAccess, String, PermissionSet, PermissionSet, PermissionSet)	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.AppDomain	ExecuteAssembly(String, Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.ExecuteAssembly that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	ExecuteAssembly(String, Evidence, String[])	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.ExecuteAssembly that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	ExecuteAssembly(String, Evidence, String[], Byte[], AssemblyHashAlgorithm)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.ExecuteAssembly that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	ExecuteAssemblyByName(AssemblyName, Evidence, String[])	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.ExecuteAssemblyByName that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	ExecuteAssemblyByName(String, Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.ExecuteAssemblyByName that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	ExecuteAssemblyByName(String, Evidence, String[])	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.ExecuteAssemblyByName that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	GetCurrentThreadId	GetCurrentThreadId has been deprecated because it doesn't provide a stable ID when managed threads are running on fibers (also known as lightweight threads). To get a stable identifier for a managed thread, use the Thread.ManagedThreadId property.
System.AppDomain	Load(AssemblyName, Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.Load that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	Load(Byte[], Byte[], Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.Load that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	Load(String, Evidence)	Methods that use evidence to sandbox are obsolete and will be removed in a future release of the .NET Framework. Use an overload of AppDomain.Load that doesn't take an System.Security.Policy.Evidence parameter.
System.AppDomain	SetAppDomainPolicy	AppDomain policy levels are obsolete and will be removed in a future release of the .NET Framework.
System.AppDomain	SetCachePath	SetCachePath has been deprecated. Investigate the use of AppDomainSetup.CachePath instead.
System.AppDomain	SetDynamicBase	SetDynamicBase has been deprecated. Investigate the use of AppDomainSetup.DynamicBase instead.
System.AppDomain	SetShadowCopyFiles	SetShadowCopyFiles has been deprecated. Investigate the use of AppDomainSetup.ShadowCopyFiles instead.
System.AppDomain	SetShadowCopyPath	SetShadowCopyPath has been deprecated. Investigate the use of AppDomainSetup.ShadowCopyDirectories instead.
System.Enum	ToString(IFormatProvider)	The provider argument isn't used. Use Enum.ToString().
System.Enum	ToString(String, IFormatProvider)	The provider argument isn't used. Use Enum.ToString(String).
System.LoaderOptimization	DisallowBindings	This method has been deprecated. Use Assembly.Load instead.
System.LoaderOptimization	DomainMask	This method has been deprecated. Use Assembly.Load instead.
System.Collections.Hashtable	Hashtable(IDictionary, IHashCodeProvider, IComparer)	Use Hashtable(IDictionary, IEqualityComparer) instead.
System.Collections.Hashtable	Hashtable(IHashCodeProvider, IComparer)	Use Hashtable(IEqualityComparer) instead.
System.Collections.Hashtable	Hashtable(Int32, IHashCodeProvider, IComparer)	Use Hashtable(Int32, IEqualityComparer) instead.
System.Collections.Hashtable	Hashtable(Int32, Single, IHashCodeProvider, IComparer)	Use Hashtable(Int32, Single, IEqualityComparer) instead.
System.Collections.Hashtable	Hashtable.comparer	Use the Hashtable.EqualityComparer property.
System.Collections.Hashtable	Hashtable.hcp	Use KeyComparer properties.
System.Collections.Hashtable	Hashtable(IDictionary, Single, IHashCodeProvider, IComparer)	Use Hashtable(IDictionary, Single, IEqualityComparer) instead.
System.Configuration.Assemblies.AssemblyHash	Algorithm	The System.Configuration.Assemblies.AssemblyHash class has been deprecated.
System.Configuration.Assemblies.AssemblyHash	AssemblyHash(AssemblyHashAlgorithm, Byte[])	The System.Configuration.Assemblies.AssemblyHash class has been deprecated.
System.Configuration.Assemblies.AssemblyHash	AssemblyHash(Byte[])	The System.Configuration.Assemblies.AssemblyHash class has been deprecated.
System.Configuration.Assemblies.AssemblyHash	Clone	The System.Configuration.Assemblies.AssemblyHash class has been deprecated.
System.Configuration.Assemblies.AssemblyHash	Empty	The System.Configuration.Assemblies.AssemblyHash class has been deprecated.
System.Configuration.Assemblies.AssemblyHash	GetValue	The System.Configuration.Assemblies.AssemblyHash class has been deprecated.
System.Configuration.Assemblies.AssemblyHash	SetValue	The System.Configuration.Assemblies.AssemblyHash class has been deprecated.
System.Diagnostics.Debugger	Debugger	Don't create instances of the Debugger class. Call the static methods directly on this type instead.
System.Diagnostics.StackTrace	StackTrace(Thread, Boolean)	First deprecated in the .NET Framework 4.5. This constructor has been deprecated. Use a constructor that doesn't require a Thread parameter.
System.Diagnostics.SymbolStore.ISymbolBinder	GetReader	The recommended alternative is ISymbolBinder1.GetReader, which takes the importer interface pointer as an IntPtr instead of an Int32, and thus works on both 32-bit and 64-bit architectures.
System.Globalization.CultureTypes	FrameworkCultures	This value has been deprecated. Use other values in System.Globalization.CultureTypes.
System.Globalization.CultureTypes	WindowsOnlyCultures	This value has been deprecated. Use other values in System.Globalization.CultureTypes.
System.IO.FileStream	FileStream(IntPtr, FileAccess)	This constructor has been deprecated. Use FileStream(SafeFileHandle, FileAccess) instead.
System.IO.FileStream	FileStream(IntPtr, FileAccess, Boolean)	This constructor has been deprecated. Use FileStream(SafeFileHandle, FileAccess) instead, and optionally make a new Microsoft.Win32.SafeHandles.SafeFileHandle with ownsHandle= false if needed.
System.IO.FileStream	FileStream(IntPtr, FileAccess, Boolean, Int32)	This constructor has been deprecated. Use FileStream(SafeFileHandle, FileAccess, Int32) instead, and optionally make a new Microsoft.Win32.SafeHandles.SafeFileHandle with ownsHandle= false if needed.
System.IO.FileStream	FileStream(IntPtr, FileAccess, Boolean, Int32, Boolean)	This constructor has been deprecated. Use FileStream(SafeFileHandle, FileAccess, Int32, Boolean) instead, and optionally make a new Microsoft.Win32.SafeHandles.SafeFileHandle with ownsHandle= false if needed.
System.IO.FileStream	Handle	This property has been deprecated. Use the FileStream.SafeFileHandle property instead.
System.IO.Path	InvalidPathChars	Use Path.GetInvalidPathChars or Path.GetInvalidFileNameChars instead.
System.IO.Stream	CreateWaitHandle	CreateWaitHandle will be removed eventually. Use new ManualResetEvent(false) instead.
System.IO.Stream	ObjectInvariant	First deprecated in the .NET Framework 4.5. Don't call or override this method.
System.IO.IsolatedStorage.IsolatedStorage	CurrentSize	CurrentSize has been deprecated because it isn't CLS Compliant. To get the current size, use IsolatedStorage.UsedSize.
System.IO.IsolatedStorage.IsolatedStorage	MaximumSize	MaximumSize has been deprecated because it isn't CLS Compliant. To get the maximum size, use IsolatedStorage.Quota.
System.IO.IsolatedStorage.IsolatedStorageFile	CurrentSize	CurrentSize has been deprecated because it isn't CLS Compliant. To get the current size, use UsedSize.
System.IO.IsolatedStorage.IsolatedStorageFile	MaximumSize	MaximumSize has been deprecated because it isn't CLS Compliant. To get the maximum size, use IsolatedStorageFile.Quota.
System.IO.IsolatedStorage.IsolatedStorageFileStream	Handle	This property has been deprecated. Use the IsolatedStorageFileStream.SafeFileHandle property instead.
System.Reflection.Assembly	Load(AssemblyName, Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of Assembly.Load that doesn't take an System.Security.Policy.Evidence parameter.
System.Reflection.Assembly	Load(Byte[], Byte[], Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of Assembly.Load that doesn't take an System.Security.Policy.Evidence parameter.
System.Reflection.Assembly	Load(String, Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of Assembly.Load that doesn't take an System.Security.Policy.Evidence parameter.
System.Reflection.Assembly	LoadFile(String, Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of Assembly.LoadFile that doesn't take an System.Security.Policy.Evidence parameter.
System.Reflection.Assembly	LoadFrom(String, Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of Assembly.LoadFrom that doesn't take an System.Security.Policy.Evidence parameter.
System.Reflection.Assembly	LoadFrom(String, Evidence, Byte[], AssemblyHashAlgorithm)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of Assembly.LoadFrom that doesn't take an System.Security.Policy.Evidence parameter.
System.Reflection.Assembly	LoadWithPartialName(String)	This method has been deprecated. Use Assembly.Load instead.
System.Reflection.Assembly	LoadWithPartialName(String, Evidence)	This method has been deprecated. Use Assembly.Load instead.
System.Reflection.AssemblyFlagsAttribute	AssemblyFlagsAttribute(Int32)	This constructor has been deprecated. Use AssemblyFlagsAttribute(AssemblyNameFlags) instead.
System.Reflection.AssemblyFlagsAttribute	AssemblyFlagsAttribute(UInt32)	This constructor has been deprecated. Use AssemblyFlagsAttribute(AssemblyNameFlags) instead.
System.Reflection.AssemblyFlagsAttribute	Flags	This property has been deprecated. Use AssemblyFlagsAttribute.AssemblyFlags instead.
System.Reflection.Emit.ConstructorBuilder	ReturnType	This property has been deprecated.
System.Reflection.Emit.FieldBuilder	SetMarshal	An alternate API is available: Emit the System.Runtime.InteropServices.MarshalAsAttribute custom attribute instead.
System.Reflection.Emit.FlowControl	Phi	This API has been deprecated.
System.Reflection.Emit.MethodBuilder	SetMarshal	An alternate API is available: Emit the System.Runtime.InteropServices.MarshalAsAttribute custom attribute instead.
System.Reflection.Emit.OpCodeType	Annotation	This API has been deprecated.
System.Reflection.Emit.OperandType	InlinePhi	This API has been deprecated.
System.Reflection.Emit.ParameterBuilder	SetMarshal	An alternate API is available: Emit the System.Runtime.InteropServices.MarshalAsAttribute custom attribute instead.
System.Resources.ResourceManager	ResourceSets	Call ResourceManager.InternalGetResourceSet(CultureInfo, Boolean, Boolean) instead.
System.Runtime.InteropServices.Marshal	GetManagedThunkForUnmanagedMethodPtr	The GetManagedThunkForUnmanagedMethodPtr method has been deprecated and will be removed in a future release.
System.Runtime.InteropServices.Marshal	GetThreadFromFiberCookie	The GetThreadFromFiberCookie method has been deprecated. Use the hosting API to perform this operation.
System.Runtime.InteropServices.Marshal	GetTypeInfoName(UCOMITypeInfo)	Use Marshal.GetTypeInfoName(ITypeInfo) instead.
System.Runtime.InteropServices.Marshal	GetTypeLibGuid(UCOMITypeLib)	Use Marshal.GetTypeLibGuid(ITypeLib) instead.
System.Runtime.InteropServices.Marshal	GetTypeLibLcid(UCOMITypeLib)	Use Marshal.GetTypeLibLcid(ITypeLib) instead.
System.Runtime.InteropServices.Marshal	GetTypeLibName(UCOMITypeLib)	Use Marshal.GetTypeLibName(ITypeLib) instead.
System.Runtime.InteropServices.Marshal	GetUnmanagedThunkForManagedMethodPtr	The GetUnmanagedThunkForManagedMethodPtr method has been deprecated and will be removed in a future release.
System.Runtime.InteropServices.Marshal	ReleaseThreadCache	This API didn't perform any operation and will be removed in future versions of the CLR.
System.Runtime.InteropServices.RuntimeEnvironment	RuntimeEnvironment	Use of this member generates a compiler error. Don't create instances of the System.Runtime.InteropServices.RuntimeEnvironment class. Call the static methods directly on this type instead.
System.Runtime.Remoting.Channels.ChannelServices	RegisterChannel	Use ChannelServices.RegisterChannel(IChannel, Boolean) instead.
System.Runtime.Remoting.Lifetime.LifetimeServices	LifetimeServices	Use of this member generates a compiler error. Don't create instances of the LifetimeServices class. Call the static methods directly on this type instead.
System.Runtime.Remoting.RemotingConfiguration	Configure(String)	Use RemotingConfiguration.Configure(String, Boolean) instead.
System.Runtime.Remoting.RemotingServices	LogRemotingStage	Use of this method isn't recommended. The LogRemotingStage existed for internal diagnostic purposes only.
System.Security.CodeAccessPermission	Deny	Deny is obsolete and will be removed in a future release of the .NET Framework.
System.Security.CodeAccessPermission	RevertDeny	Deny is obsolete and will be removed in a future release of the .NET Framework.
System.Security.HostSecurityManager	DomainPolicy	AppDomain policy levels are obsolete and will be removed in a future release of the .NET Framework.
System.Security.HostSecurityManagerOptions	HostPolicyLevel	AppDomain policy levels are obsolete and will be removed in a future release of the .NET Framework.
System.Security.PermissionSet	ConvertPermissionSet	This method is obsolete and should no longer be used.
System.Security.PermissionSet	Deny	Deny is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityCriticalAttribute	Scope	System.Security.SecurityCriticalScope is only used for .NET Framework 2.0 transparency compatibility.
System.Security.SecurityManager	CheckExecutionRights	Because execution permission checks can no longer be turned off, the CheckExecutionRights property no longer has any effect.
System.Security.SecurityManager	IsGranted	IsGranted is obsolete and will be removed in a future release of the .NET Framework. Use either the AppDomain.PermissionSet property or the Assembly.PermissionSet property instead.
System.Security.SecurityManager	LoadPolicyLevelFromFile	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	LoadPolicyLevelFromString	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	PolicyHierarchy	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	ResolvePolicy(Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	ResolvePolicy(Evidence, PermissionSet, PermissionSet, PermissionSet, PermissionSet)	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	ResolvePolicy(Evidence[])	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	ResolvePolicyGroups	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	ResolveSystemPolicy	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	SavePolicy	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	SavePolicyLevel	This method is obsolete and will be removed in a future release of the .NET Framework.
System.Security.SecurityManager	SecurityEnabled	Because security can no longer be turned off, the SecurityEnabled property no longer has any effect.
System.Security.Cryptography.PasswordDeriveBytes	GetBytes	System.Security.Cryptography.Rfc2898DeriveBytes replaces System.Security.Cryptography.PasswordDeriveBytes for deriving key material from a password and is preferred in new applications.
System.Security.Cryptography.X509Certificates.X509Certificate	GetIssuerName	This method has been deprecated. Use the X509Certificate.Issuer property instead.
System.Security.Cryptography.X509Certificates.X509Certificate	GetName	This method has been deprecated. Use the X509Certificate.Subject property instead.
System.Security.Permissions.FileIOPermissionAttribute	All	Use the FileIOPermissionAttribute.ViewAndModify property instead.
System.Security.Permissions.ReflectionPermissionAttribute	ReflectionEmit	This permission is no longer used by the CLR.
System.Security.Permissions.ReflectionPermissionAttribute	TypeInformation	This API has been deprecated.
System.Security.Permissions.ReflectionPermissionFlag	AllFlags	This permission has been deprecated. The AllFlags enumeration member doesn't include RestrictedMemberAccess. Use PermissionState.Unrestricted to get full access.
System.Security.Permissions.ReflectionPermissionFlag	ReflectionEmit	This permission is no longer used by the CLR.
System.Security.Permissions.ReflectionPermissionFlag	TypeInformation	This API has been deprecated.
System.Security.Permissions.RegistryPermissionAttribute	All	Use the RegistryPermissionAttribute.ViewAndModify property instead.
System.Security.Permissions.SecurityAction	Deny	Deny is obsolete and will be removed in a future release of the .NET Framework.
System.Security.Permissions.SecurityAction	RequestMinimum	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.Security.Permissions.SecurityAction	RequestOptional	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.Security.Permissions.SecurityAction	RequestRefuse	Assembly level declarative security is obsolete and is no longer enforced by the CLR by default.
System.Security.Policy.Evidence	AddAssembly	This method is obsolete. Use Evidence.AddAssemblyEvidence instead.
System.Security.Policy.Evidence	AddHost	This method is obsolete. Use Evidence.AddHostEvidence instead.
System.Security.Policy.Evidence	CopyTo	Evidence should not be treated as an System.Collections.ICollection. Use the Evidence.GetHostEnumerator and Evidence.GetAssemblyEnumerator methods rather than using CopyTo.
System.Security.Policy.Evidence	Count	Evidence should not be treated as an System.Collections.ICollection. Use Evidence.GetHostEnumerator and Evidence.GetAssemblyEnumerator to iterate over the evidence to collect a count.
System.Security.Policy.Evidence	Evidence(Object[], Object[])	This constructor is obsolete. Use the Evidence(EvidenceBase[], EvidenceBase[]) constructor instead.
System.Security.Policy.Evidence	GetEnumerator	GetEnumerator is obsolete. Use Evidence.GetHostEnumerator and Evidence.GetAssemblyEnumerator instead.
System.Security.Policy.PolicyLevel	AddFullTrustAssembly(StrongName)	Because all GAC assemblies always get full trust, the full trust list is no longer meaningful. You should install any assemblies that are used in security policy in the GAC to ensure they're trusted.
System.Security.Policy.PolicyLevel	AddFullTrustAssembly(StrongNameMembershipCondition)	Because all GAC assemblies always get full trust, the full trust list is no longer meaningful. You should install any assemblies that are used in security policy in the GAC to ensure they're trusted.
System.Security.Policy.PolicyLevel	CreateAppDomainLevel	AppDomain policy levels are obsolete and will be removed in a future release of the .NET Framework.
System.Security.Policy.PolicyLevel	FullTrustAssemblies	Because all GAC assemblies always get full trust, the full trust list is no longer meaningful. You should install any assemblies that are used in security policy in the GAC to ensure they're trusted.
System.Security.Policy.PolicyLevel	RemoveFullTrustAssembly(StrongName)	Because all GAC assemblies always get full trust, the full trust list is no longer meaningful. You should install any assemblies that are used in security policy in the GAC to ensure they're trusted.
System.Security.Policy.PolicyLevel	RemoveFullTrustAssembly(StrongNameMembershipCondition)	Because all GAC assemblies always get full trust, the full trust list is no longer meaningful. You should install any assemblies that are used in security policy in the GAC to ensure they're trusted.
System.Threading.Overlapped	EventHandle	This property isn't 64-bit compatible. Use Overlapped.EventHandleIntPtr instead.
System.Threading.Overlapped	Overlapped(Int32, Int32, Int32, IAsyncResult)	This constructor isn't 64-bit compatible. Use the Overlapped(Int32, Int32, IntPtr, IAsyncResult) constructor that takes an System.IntPtr for the event handle.
System.Threading.Overlapped	Pack(IOCompletionCallback)	This method isn't safe. Use Overlapped.Pack(IOCompletionCallback, Object) instead.
System.Threading.Overlapped	UnsafePack(IOCompletionCallback)	This method isn't safe. Use Overlapped.UnsafePack(IOCompletionCallback, Object) instead.
System.Threading.Thread	ApartmentState	The ApartmentState property has been deprecated. Use Thread.GetApartmentState, Thread.SetApartmentState or Thread.TrySetApartmentState instead.
System.Threading.Thread	GetCompressedStack	GetCompressedStack is no longer supported. Use the System.Threading.CompressedStack class.
System.Threading.Thread	Resume	Resume has been deprecated. Use other classes in System.Threading, such as Monitor, Mutex , EventWaitHandle, and Semaphore to synchronize threads or protect resources.
System.Threading.Thread	SetCompressedStack	SetCompressedStack is no longer supported. Use the System.Threading.CompressedStack class.
System.Threading.Thread	Suspend	Suspend has been deprecated. Use other classes in System.Threading, such as Monitor, Mutex , EventWaitHandle, and Semaphore, to synchronize threads or protect resources.
System.Threading.ThreadPool	BindHandle(IntPtr)	BindHandle(IntPtr) has been deprecated. Use ThreadPool.BindHandle(SafeHandle) instead.
System.Threading.WaitHandle	Handle	Use the WaitHandle.SafeWaitHandle property instead.

PresentationCore.dll

Type	Member	Message
System.Windows.UIElement	BitmapEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.UIElement	BitmapEffectInput	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.UIElement	PersistId	PersistId is an obsolete property and may be removed in a future release. The value of this property isn't defined.
System.Windows.Media.ContainerVisual	BitmapEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.ContainerVisual	BitmapEffectInput	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.DrawingContext	PushEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.FormattedText	FormattedText(String, CultureInfo, FlowDirection, Typeface, Double, Brush)	Use the PixelsPerDip override.
System.Windows.Media.FormattedText	FormattedText(String, CultureInfo, FlowDirection, Typeface, Double, Brush, NumberSubstitution)	Use the PixelsPerDip override.
System.Windows.Media.FormattedText	FormattedText(String, CultureInfo, FlowDirection, Typeface, Double, Brush, NumberSubstitution, TextFormattingMode)	Use the PixelsPerDip override.
System.Windows.Media.GlyphRun	GlyphRun()	Use the PixelsPerDip override.
System.Windows.Media.GlyphRun	GlyphRun(GlyphTypeface, Int32, Boolean, Double, IList<UInt16>, Point, IList<Double>, IList<Point>, IList<Char>, String, IList<UInt16>, IList<Boolean>, XmlLanguage)	Use the PixelsPerDip override.
System.Windows.Media.RenderCapability	IsShaderEffectSoftwareRenderingSupported	This property is deprecated. Use the static RenderCapability.IsPixelShaderVersionSupportedInSoftware method instead.
System.Windows.Media.Visual	VisualBitmapEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Visual	VisualBitmapEffectInput	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BevelBitmapEffect	CreateUnmanagedEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BevelBitmapEffect	UpdateUnmanagedPropertyState	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffect	CreateBitmapEffectOuter	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffect	CreateUnmanagedEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffect	GetOutput	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffect	InitializeBitmapEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffect	SetValue	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffect	UpdateUnmanagedPropertyState	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffectGroup	CreateUnmanagedEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BitmapEffectGroup	UpdateUnmanagedPropertyState	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BlurBitmapEffect	CreateUnmanagedEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.BlurBitmapEffect	UpdateUnmanagedPropertyState	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.DropShadowBitmapEffect	CreateUnmanagedEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.DropShadowBitmapEffect	UpdateUnmanagedPropertyState	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.EmbossBitmapEffect	CreateUnmanagedEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.EmbossBitmapEffect	UpdateUnmanagedPropertyState	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.OuterGlowBitmapEffect	CreateUnmanagedEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Effects.OuterGlowBitmapEffect	UpdateUnmanagedPropertyState	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Media3D.Viewport3DVisual	BitmapEffect	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.
System.Windows.Media.Media3D.Viewport3DVisual	BitmapEffectInput	Bitmap effects are deprecated and no longer function. Consider using System.Windows.Media.Effects.Effect where appropriate instead.

PresentationFramework.dll

Type	Member	Message
System.Windows.Data.BindingListCollectionView	OnBeginChangeLogging	Replaced by CollectionView.OnAllowsCrossThreadChangesChanged.
System.Windows.Data.CollectionView	ClearChangeLog	Replaced by CollectionView.ClearPendingChanges.
System.Windows.Data.CollectionView	OnBeginChangeLogging	Replaced by CollectionView.OnAllowsCrossThreadChangesChanged.
System.Windows.Data.ListCollectionView	OnBeginChangeLogging	Replaced by ListCollectionView.OnAllowsCrossThreadChangesChanged.

System.Activities.dll

Type	Member	Message
System.Activities.Debugger.XamlDebuggerXmlReader	XamlDebuggerXmlReader(XamlReader, IXamlLineInfo, TextReader)	First deprecated in the .NET Framework 4.5. Don't use this constructor. Use XamlDebuggerXmlReader(TextReader) or XamlDebuggerXmlReader(TextReader, XamlSchemaContext) instead.
System.Activities.Debugger.XamlDebuggerXmlReader	XamlDebuggerXmlReader(XamlReader, TextReader)	First deprecated in the .NET Framework 4.5. Don't use this constructor. Use XamlDebuggerXmlReader(TextReader) or XamlDebuggerXmlReader(TextReader, XamlSchemaContext) instead.

System.Activities.Presentation.dll

Type	Member	Message
System.Activities.Presentation.DragDropHelper	DoDragMove(WorkflowViewElement, Point)	This method doesn't support dragging multiple items.
System.Activities.Presentation.DragDropHelper	GetCompositeView(DragEventArgs)	First deprecated in the .NET Framework 4.5. This method doesn't support dragging multiple items. Use GetCompositeView(WorkflowViewElement) instead.
System.Activities.Presentation.DragDropHelper	GetDragDropCompletedEffects	This method doesn't support dragging multiple items.
System.Activities.Presentation.DragDropHelper	GetDraggedModelItem	First deprecated in the .NET Framework 4.5. This method doesn't support dragging multiple items. Use GetDraggedModelItems instead.
System.Activities.Presentation.DragDropHelper	GetDroppedObject	First deprecated in the .NET Framework 4.5. This method doesn't support dragging multiple items. Use GetDroppedObjects instead.
System.Activities.Presentation.DragDropHelper	SetDragDropCompletedEffects	This method doesn't support dragging multiple items.
System.Activities.Presentation.Services.ModelChangedEventArgs	ItemsAdded	First deprecated in the .NET Framework 4.5. Don't use this property. Use ModelChangeInfo instead.
System.Activities.Presentation.Services.ModelChangedEventArgs	ItemsRemoved	First deprecated in the .NET Framework 4.5. Don't use this property. Use ModelChangeInfo instead.
System.Activities.Presentation.Services.ModelChangedEventArgs	PropertiesChanged	First deprecated in the .NET Framework 4.5. Don't use this property. Use ModelChangeInfo instead.

System.Core.dll

Type	Member	Message
System.Diagnostics.Eventing.Reader.StandardEventKeywords	CorrelationHint	First deprecated in the .NET Framework 4.5. Incorrect value; use CorrelationHint2 instead.
System.Linq.ParallelEnumerable	Concat<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Except<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Except<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	GroupJoin<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,IEnumerable<TInner>, TResult>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	GroupJoin<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,IEnumerable<TInner>, TResult>, IEqualityComparer<TKey>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Intersect<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Intersect<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	SequenceEqual<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	SequenceEqual<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Union<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Union<TSource>(ParallelQuery<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.ParallelEnumerable	Zip	The second data source of a binary operator must be of type System.Linq.ParallelQuery<TSource> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel<TSource>(IEnumerable<TSource>) extension method to convert the right data source to System.Linq.ParallelQuery<TSource>.
System.Linq.Expressions.Expression	Expression(ExpressionType, Type)	Use a different constructor that doesn't take an System.Linq.Expressions.ExpressionType argument. Then override the Expression.NodeType and Expression.Type properties to provide the values that would be specified to this constructor.
System.Linq.Expressions.MemberBinding	MemberBinding	Don't use this constructor. It will be removed in future releases.
System.Runtime.CompilerServices.CallSiteOps	AddRule	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	Bind	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	ClearMatch	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	CreateMatchmaker	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	GetCachedRules<T>(RuleCache<T>)	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	GetMatch	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	GetRuleCache	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	GetRules	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	MoveRule<T>(RuleCache<T>, T, Int32)	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	SetNotMatched	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.CallSiteOps	UpdateRules	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	CreateRuntimeVariables()	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	CreateRuntimeVariables(Object[], Int64[])	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	ExpandoCheckVersion	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	ExpandoPromoteClass	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	ExpandoTryDeleteValue	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	ExpandoTryGetValue	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	ExpandoTrySetValue	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	MergeRuntimeVariables	Use of this member generates a compiler error. Don't use this method.
System.Runtime.CompilerServices.RuntimeOps	Quote	Use of this member generates a compiler error. Don't use this method.

System.Data.dll

Type	Member	Message
System.Data.DataSysDescriptionAttribute	DataSysDescriptionAttribute	DataSysDescriptionAttribute has been deprecated.
System.Data.Common.DataAdapter	CloneInternals	CloneInternals has been deprecated. Use the DataAdapter(DataAdapter) constructor.
System.Data.Common.DBDataPermission	DBDataPermission()	Use of this member generates a compiler error. This constructor has been deprecated. Pass the DBDataPermission(PermissionState) constructor a value of PermissionState.None.
System.Data.Common.DBDataPermission	DBDataPermission(PermissionState, Boolean)	Use of this member generates a compiler error. This constructor has been deprecated. Pass the DBDataPermission(PermissionState) constructor a value of PermissionState.None.
System.Data.Odbc.OdbcParameterCollection	Add(String, Object)	Add(String, Object) has been deprecated. Use OdbcParameterCollection.AddWithValue(String, Object).
System.Data.Odbc.OdbcPermission	OdbcPermission()	Use of this member generates a compiler error. OdbcPermission() has been deprecated. Pass the OdbcPermission(PermissionState) constructor a value of PermissionState.None.
System.Data.Odbc.OdbcPermission	OdbcPermission(PermissionState, Boolean)	Use of this member generates a compiler error. OdbcPermission(PermissionState, Boolean) has been deprecated. Pass the OdbcPermission(PermissionState) constructor a value of PermissionState.None.
System.Data.OleDb.OleDbParameterCollection	Add(String, Object)	Add(String, Object) has been deprecated. Use the OleDbParameterCollection.AddWithValue method.
System.Data.OleDb.OleDbPermission	OleDbPermission()	Use of this member generates a compiler error. OleDbPermission() has been deprecated. Pass the OleDbPermission(PermissionState) a value of PermissionState.None.
System.Data.OleDb.OleDbPermission	OleDbPermission(PermissionState, Boolean)	Use of this member generates a compiler error. OleDbPermission(PermissionState, Boolean) has been deprecated. Pass the OleDbPermission(PermissionState) a value of PermissionState.None.
System.Data.OleDb.OleDbPermission	Provider	The OleDbPermission.Provider property has been deprecated. Use the DBDataPermission.Add(String, String, KeyRestrictionBehavior) method.
System.Data.OleDb.OleDbPermissionAttribute	Provider	The OleDbPermissionAttribute.Provider property has been deprecated. Use the DBDataPermission.Add(String, String, KeyRestrictionBehavior) method.
System.Data.SqlClient.SqlClientPermission	SqlClientPermission()	Use of this constructor generates a compiler error. SqlClientPermission() has been deprecated. Pass the SqlClientPermission(PermissionState) constructor a value of PermissionState.None.
System.Data.SqlClient.SqlClientPermission	SqlClientPermission(PermissionState, Boolean)	Use of this constructor generates a compiler error. SqlClientPermission(PermissionState, Boolean) has been deprecated. Pass the SqlClientPermission(PermissionState) constructor a value of PermissionState.None.
System.Data.SqlClient.SqlConnectionStringBuilder	ConnectionReset	ConnectionReset has been deprecated. System.Data.SqlClient.SqlConnection will ignore the 'connection reset' keyword and always reset the connection.
System.Data.SqlClient.SqlParameterCollection	Add(String, Object)	Add(String, Object) has been deprecated. Use SqlParameterCollection.AddWithValue.

System.Data.Entity.dll

Type	Member	Message
System.Data.Metadata.Edm.AssociationSetEnd	Role	This property is going away, Use the AssociationSetEnd.Name property instead.
System.Data.Metadata.Edm.MetadataWorkspace	GetRequiredOriginalValueMembers	First deprecated in the .NET Framework 4.5. Use MetadataWorkspace.GetRelevantMembersForUpdate instead.
System.Data.Objects.ObjectContext	ApplyPropertyChanges	Use ObjectContext.ApplyCurrentValues instead.
System.Data.Objects.ObjectContext	SaveChanges(Boolean)	Use SaveChanges(SaveOptions) instead.

System.Data.OracleClient.dll

Type	Member	Message
System.Data.OracleClient.OracleParameter	Precision	Precision has been deprecated. Use the System.Math classes to explicitly set the precision of a decimal.
System.Data.OracleClient.OracleParameter	Scale	Scale has been deprecated. Use the System.Math classes to explicitly set the scale of a decimal.
System.Data.OracleClient.OracleParameterCollection	Add(String, Object)	Add(String, Object) has been deprecated. Use OracleParameterCollection.AddWithValue.

System.Design.dll

Type	Member	Message
System.ComponentModel.Design.ComponentDesigner	InitializeNonDefault	This method has been deprecated. Use ComponentDesigner.InitializeExistingComponent instead.
System.ComponentModel.Design.ComponentDesigner	OnSetComponentDefaults	This method has been deprecated. Use ComponentDesigner.InitializeNewComponent instead.
System.ComponentModel.Design.DesignSurface	CreateComponent	The CreateComponent method has been replaced by CreateInstance(Type).
System.ComponentModel.Design.Serialization.CodeDomSerializer	SerializeToReferenceExpression	This method has been deprecated. Use SerializeToExpression or GetExpression instead.
System.Web.UI.Design.ControlDesigner	DesignTimeElementView	Use of this property generates a compiler error. Error: This property can no longer be referenced, and is included to support existing compiled applications. The design-time element view architecture is no longer used.
System.Web.UI.Design.ControlDesigner	DesignTimeHtmlRequiresLoadComplete	The recommended alternative is to use ControlDesigner.SetViewFlags(ViewFlags.DesignTimeHtmlRequiresLoadComplete, true).
System.Web.UI.Design.ControlDesigner	GetPersistInnerHtml	The recommended alternative is ControlDesigner.GetPersistenceContent.
System.Web.UI.Design.ControlDesigner	IsDirty	The recommended alternative is to use ControlDesigner.Tag.SetDirty and ControlDesigner.Tag.IsDirty.
System.Web.UI.Design.ControlDesigner	IsPropertyBound	The recommended alternative is ControlDesigner.DataBindings.Contains. The System.Web.UI.DataBindingCollection class allows more control of the data bindings associated with the control.
System.Web.UI.Design.ControlDesigner	OnBindingsCollectionChanged	The recommended alternative is to handle the ControlDesigner.DataBindings.Changed event. The DataBindingCollection collection returned by the ControlDesigner.DataBindings property allows more control of the data bindings associated with the control.
System.Web.UI.Design.ControlDesigner	OnControlResize	The recommended alternative is OnComponentChanged, which is called when any property of the control is changed.
System.Web.UI.Design.ControlDesigner	RaiseResizeEvent	Use of this method isn't recommended because resizing is handled by the ControlDesigner.OnComponentChanged method.
System.Web.UI.Design.ControlDesigner	ReadOnly	The recommended alternative is to inherit from System.Web.UI.Design.ContainerControlDesigner instead and to use an System.Web.UI.Design.EditableDesignerRegion. Regions allow for better control of the content in the designer.
System.Web.UI.Design.HtmlControlDesigner	Behavior	The recommended alternative is ControlDesigner.Tag.
System.Web.UI.Design.HtmlControlDesigner	DesignTimeElement	Use of this property generates a compiler error. Error: This property can no longer be referenced, and is included to support existing compiled applications. The design-time element may not always provide access to the element in the markup. There are alternate methods on System.Web.UI.Design.WebFormsRootDesigner for handling client script and controls.
System.Web.UI.Design.HtmlControlDesigner	OnBehaviorAttached	The recommended alternative is ControlDesigner.Tag.
System.Web.UI.Design.HtmlControlDesigner	OnBehaviorDetaching	The recommended alternative is ControlDesigner.Tag.
System.Web.UI.Design.HtmlControlDesigner	OnBindingsCollectionChanged	The recommended alternative is to handle the HtmlControlDesigner.DataBindings.Changed event. The DataBindingCollection collection returned by the HtmlControlDesigner.DataBindings property allows more control of the data bindings associated with the control.
System.Web.UI.Design.HtmlControlDesigner	ShouldCodeSerialize	Use of this property isn't recommended because code serialization isn't supported.
System.Web.UI.Design.TemplatedControlDesigner	ActiveTemplateEditingFrame	Use of this property isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	CreateTemplateEditingFrame	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	EnterTemplateMode	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	ExitTemplateMode	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	GetCachedTemplateEditingVerbs	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	GetTemplateContainerDataItemProperty	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	GetTemplateContainerDataSource	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	GetTemplateContent	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	GetTemplateEditingVerbs	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	GetTemplatePropertyParentType	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.TemplatedControlDesigner	InTemplateMode	The recommended alternative is ControlDesigner.InTemplateMode.
System.Web.UI.Design.TemplatedControlDesigner	OnBehaviorAttached	The recommended alternative is ControlDesigner.Tag.
System.Web.UI.Design.TemplatedControlDesigner	SetTemplateContent	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.BaseDataListDesigner	GetTemplateContainerDataSource	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.BaseDataListDesigner	OnAutoFormat	Use of this method isn't recommended because the AutoFormat dialog is launched by the designer host. The list of available AutoFormats is exposed by the ControlDesigner.AutoFormats property.
System.Web.UI.Design.WebControls.DataGridDesigner	CreateTemplateEditingFrame	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataGridDesigner	GetCachedTemplateEditingVerbs	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataGridDesigner	GetTemplateContainerDataItemProperty	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataGridDesigner	GetTemplateContent	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataGridDesigner	GetTemplatePropertyParentType	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataGridDesigner	SetTemplateContent	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataListDesigner	CreateTemplateEditingFrame	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataListDesigner	GetCachedTemplateEditingVerbs	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataListDesigner	GetTemplateContainerDataItemProperty	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataListDesigner	GetTemplateContent	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.DataListDesigner	SetTemplateContent	Use of this method isn't recommended because template editing is handled in System.Web.UI.Design.ControlDesigner. To support template editing, expose template data in the ControlDesigner.TemplateGroups property and call ControlDesigner.SetViewFlags(ViewFlags.TemplateEditing, true).
System.Web.UI.Design.WebControls.PanelDesigner	OnBehaviorAttached	The recommended alternative is ControlDesigner.Tag.
System.Windows.Forms.Design.ControlDesigner	OnSetComponentDefaults	This method has been deprecated. Use ControlDesigner.InitializeNewComponent instead.

System.dll

Type	Member	Message
Microsoft.CSharp.CSharpCodeProvider	CreateCompiler	Callers should not use the System.CodeDom.Compiler.ICodeCompiler interface and should instead use the methods directly on the System.CodeDom.Compiler.CodeDomProvider class.
Microsoft.CSharp.CSharpCodeProvider	CreateGenerator	Callers should not use the System.CodeDom.Compiler.ICodeGenerator interface and should instead use the methods directly on the System.CodeDom.Compiler.CodeDomProvider class.
Microsoft.VisualBasic.VBCodeProvider	CreateCompiler	Callers should not use the System.CodeDom.Compiler.ICodeCompiler interface and should instead use the methods directly on the System.CodeDom.Compiler.CodeDomProvider class.
Microsoft.VisualBasic.VBCodeProvider	CreateGenerator	Callers should not use the System.CodeDom.Compiler.ICodeGenerator interface and should instead use the methods directly on the System.CodeDom.Compiler.CodeDomProvider class.
Microsoft.Win32.SystemEvents	LowMemory	This event has been deprecated.
System.Uri	Canonicalize	The method has been deprecated. It isn't used by the system.
System.Uri	CheckSecurity	The method has been deprecated. It isn't used by the system.
System.Uri	Escape	The method has been deprecated. It isn't used by the system.
System.Uri	EscapeString	The method has been deprecated. Use the GetComponents method or the static EscapeUriString method to escape a Uri component or a string.
System.Uri	IsBadFileSystemCharacter	The method has been deprecated. It isn't used by the system.
System.Uri	IsExcludedCharacter	The method has been deprecated. It isn't used by the system.
System.Uri	IsReservedCharacter	The method has been deprecated. It isn't used by the system.
System.Uri	MakeRelative	The method has been deprecated. Use Uri.MakeRelativeUri.
System.Uri	Parse	The method has been deprecated. It isn't used by the system.
System.Uri	Unescape	The method has been deprecated. Use the Uri.GetComponents method or the static Uri.EscapeUriString method to escape a Uri component or a string.
System.Uri	Uri(String, Boolean)	The constructor has been deprecated. Use Uri(String). The dontEscape parameter is deprecated and is always false.
System.Uri	Uri(Uri, String, Boolean)	The constructor has been deprecated. Use Uri(Uri, String). The dontEscape parameter is deprecated and is always false.
System.CodeDom.Compiler.CodeDomProvider	CreateCompiler	Callers should not use the System.CodeDom.Compiler.ICodeCompiler interface and should instead use the methods directly on the System.CodeDom.Compiler.CodeDomProvider class. Those inheriting from CodeDomProvider must still implement this interface, and should exclude this warning or also obsolete this method.
System.CodeDom.Compiler.CodeDomProvider	CreateGenerator	Callers should not use the System.CodeDom.Compiler.ICodeGenerator interface and should instead use the methods directly on the System.CodeDom.Compiler.CodeDomProvider class. Those inheriting from CodeDomProvider must still implement this interface, and should exclude this warning or also obsolete this method.
System.CodeDom.Compiler.CodeDomProvider	CreateParser	Callers should not use the System.CodeDom.Compiler.ICodeParser interface and should instead use the methods directly on the System.CodeDom.Compiler.CodeDomProvider class. Those inheriting from CodeDomProvider must still implement this interface, and should exclude this warning or also obsolete this method.
System.CodeDom.Compiler.CompilerParameters	Evidence	CAS policy is obsolete and will be removed in a future release of the .NET Framework. For more information, see Security Changes in the .NET Framework 4.
System.CodeDom.Compiler.CompilerResults	Evidence	CAS policy is obsolete and will be removed in a future release of the .NET Framework. For more information, see Security Changes in the .NET Framework 4.
System.Collections.Specialized.NameObjectCollectionBase	NameObjectCollectionBase(IHashCodeProvider, IComparer)	Use NameObjectCollectionBase(IEqualityComparer) instead.
System.Collections.Specialized.NameObjectCollectionBase	NameObjectCollectionBase(Int32, IHashCodeProvider, IComparer)	Use NameObjectCollectionBase(Int32, IEqualityComparer) instead.
System.Collections.Specialized.NameValueCollection	NameValueCollection(IHashCodeProvider, IComparer)	Use NameValueCollection(IEqualityComparer) instead.
System.Collections.Specialized.NameValueCollection	NameValueCollection(Int32, IHashCodeProvider, IComparer)	Use NameValueCollection(Int32, IEqualityComparer) instead.
System.ComponentModel.AsyncCompletedEventArgs	AsyncCompletedEventArgs()	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.ComponentModel.MemberDescriptor	GetInvokee	This method has been deprecated. Use MemberDescriptor.GetInvocationTarget instead.
System.ComponentModel.TypeDescriptor	ComNativeDescriptorHandler	This property has been deprecated. Use a type description provider to supply type information for COM types instead.
System.ComponentModel.Design.DesignerTransactionCloseEventArgs	DesignerTransactionCloseEventArgs(Boolean)	This constructor is obsolete. Use DesignerTransactionCloseEventArgs(Boolean, Boolean) instead.
System.ComponentModel.Design.SelectionTypes	Click	This value has been deprecated. Use SelectionTypes.Primary instead.
System.ComponentModel.Design.SelectionTypes	MouseDown	This value has been deprecated. It is no longer supported.
System.ComponentModel.Design.SelectionTypes	MouseUp	This value has been deprecated. It is no longer supported.
System.ComponentModel.Design.SelectionTypes	Normal	This value has been deprecated. Use SelectionTypes.Auto instead.
System.ComponentModel.Design.SelectionTypes	Valid	This value has been deprecated. Use System.Enum class methods to determine valid values, or use a type converter.
System.ComponentModel.Design.ViewTechnology	Passthrough	This value has been deprecated. Use ViewTechnology.Default instead.
System.ComponentModel.Design.ViewTechnology	WindowsForms	This value has been deprecated. Use ViewTechnology.Default instead.
System.Configuration.ConfigurationException	ConfigurationException()	This class is obsolete. To create a new exception, create a System.Configuration.ConfigurationErrorsException.
System.Configuration.ConfigurationException	ConfigurationException(String)	This class is obsolete. To create a new exception, create a System.Configuration.ConfigurationErrorsException.
System.Configuration.ConfigurationException	ConfigurationException(String, Exception)	This class is obsolete. To create a new exception, create a System.Configuration.ConfigurationErrorsException.
System.Configuration.ConfigurationException	ConfigurationException(String, Exception, String, Int32)	This class is obsolete. To create a new exception, create a System.Configuration.ConfigurationErrorsException.
System.Configuration.ConfigurationException	ConfigurationException(String, Exception, XmlNode)	This class is obsolete. To create a new exception, create a System.Configuration.ConfigurationErrorsException.
System.Configuration.ConfigurationException	ConfigurationException(String, String, Int32)	This class is obsolete. To create a new exception, create a System.Configuration.ConfigurationErrorsException.
System.Configuration.ConfigurationException	ConfigurationException(String, XmlNode)	This class is obsolete. To create a new exception, create a System.Configuration.ConfigurationErrorsException.
System.Configuration.ConfigurationException	GetXmlNodeFilename	This class is obsolete. Use ConfigurationErrorsException.GetFilename instead.
System.Configuration.ConfigurationException	GetXmlNodeLineNumber	This class is obsolete. Use ConfigurationErrorsException.GetLineNumber(XmlNode) instead
System.Configuration.ConfigurationSettings	AppSettings	This method is obsolete. It has been replaced by ConfigurationManager.AppSettings.
System.Configuration.ConfigurationSettings	GetConfig	This method is obsolete. It has been replaced by ConfigurationManager.GetSection.
System.Diagnostics.EventLog	CreateEventSource(String, String, String)	This method has been deprecated. Use CreateEventSource(EventSourceCreationData) instead.
System.Diagnostics.EventLogEntry	EventID	This property has been deprecated. Use EventLogEntry.InstanceId instead.
System.Diagnostics.EventLogPermissionAccess	Audit	This member has been deprecated. Use EventLogPermissionAccess.Administer instead.
System.Diagnostics.EventLogPermissionAccess	Browse	This member has been deprecated. Use EventLogPermissionAccess.Administer instead.
System.Diagnostics.EventLogPermissionAccess	Instrument	This member has been deprecated. Use EventLogPermissionAccess.Write instead.
System.Diagnostics.InstanceDataCollection	InstanceDataCollection	This constructor has been deprecated. Use InstanceDataCollectionCollection.Item[] to get an instance of this collection instead.
System.Diagnostics.InstanceDataCollectionCollection	InstanceDataCollectionCollection	This constructor has been deprecated. Use PerformanceCounterCategory.ReadCategory to get an instance of this collection instead.
System.Diagnostics.PerformanceCounter	DefaultFileMappingSize	This field has been deprecated and isn't used. Use machine.config or an application configuration file to set the size of the System.Diagnostics.PerformanceCounter file mapping.
System.Diagnostics.PerformanceCounterCategory	Create(String, String, CounterCreationDataCollection)	This method has been deprecated. Use Create(String, String, PerformanceCounterCategoryType, CounterCreationDataCollection) instead.
System.Diagnostics.PerformanceCounterCategory	Create(String, String, String, String)	This method has been deprecated. Use Create(String, String, PerformanceCounterCategoryType, String, String) instead.
System.Diagnostics.PerformanceCounterManager	ICollectData.CloseData	This class has been deprecated. Use the performance counters through the PerformanceCounter class instead.
System.Diagnostics.PerformanceCounterManager	ICollectData.CollectData	This class has been deprecated. Use the performance counters through the PerformanceCounter class instead.
System.Diagnostics.PerformanceCounterManager	PerformanceCounterManager	This class has been deprecated. Use the performance counters through the System.Diagnostics.PerformanceCounter class instead.
System.Diagnostics.PerformanceCounterPermissionAccess	Browse	This member has been deprecated. Use PerformanceCounterPermissionAccess.Read instead.
System.Diagnostics.PerformanceCounterPermissionAccess	Instrument	This member has been deprecated. Use PerformanceCounterPermissionAccess.Write instead.
System.Diagnostics.Process	NonpagedSystemMemorySize	This property has been deprecated. Use Process.NonpagedSystemMemorySize64 instead.
System.Diagnostics.Process	PagedMemorySize	This property has been deprecated. Use PagedMemorySize64 instead.
System.Diagnostics.Process	PagedSystemMemorySize	This property has been deprecated. Use Process.PagedSystemMemorySize64 instead.
System.Diagnostics.Process	PeakPagedMemorySize	This property has been deprecated. Use Process.PeakPagedMemorySize64 instead.
System.Diagnostics.Process	PeakVirtualMemorySize	This property has been deprecated. Use Process.PeakVirtualMemorySize64 instead.
System.Diagnostics.Process	PeakWorkingSet	This property has been deprecated. Use Process.PeakWorkingSet64 instead.
System.Diagnostics.Process	PrivateMemorySize	This property has been deprecated. Use Process.PrivateMemorySize64 instead.
System.Diagnostics.Process	VirtualMemorySize	This property has been deprecated. Use Process.VirtualMemorySize64 instead.
System.Diagnostics.Process	WorkingSet	This property has been deprecated. Use Process.WorkingSet64 instead.
System.Net.Dns	BeginGetHostByName	BeginGetHostByName is obsoleted for this type, Use Dns.BeginGetHostEntry(String, AsyncCallback, Object) instead.
System.Net.Dns	BeginResolve(String, AsyncCallback, Object)	BeginResolve(String, AsyncCallback, Object) is obsoleted for this type, Use Dns.BeginGetHostEntry(String, AsyncCallback, Object) instead.
System.Net.Dns	EndGetHostByName	EndGetHostByName is obsoleted for this type, Use Dns.EndGetHostEntry instead.
System.Net.Dns	EndResolve	EndResolve is obsoleted for this type, Use Dns.EndGetHostEntry instead.
System.Net.Dns	GetHostByAddress(IPAddress)	GetHostByAddress(IPAddress) is obsoleted for this type, Use Dns.GetHostEntry(IPAddress) instead.
System.Net.Dns	GetHostByAddress(String)	GetHostByAddress(String) is obsoleted for this type, Use Dns.GetHostEntry(String) instead.
System.Net.Dns	GetHostByName	GetHostByName is obsoleted for this type, Use Dns.GetHostEntry(String) instead.
System.Net.Dns	Resolve	Resolve is obsoleted for this type, Use Dns.GetHostEntry(String) instead.
System.Net.FileWebRequest	FileWebRequest	Serialization is obsoleted for this type.
System.Net.FileWebResponse	FileWebResponse	Serialization is obsoleted for this type.
System.Net.HttpWebRequest	HttpWebRequest()	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.HttpWebRequest	HttpWebRequest(SerializationInfo, StreamingContext)	Serialization is obsoleted for this type.
System.Net.HttpWebResponse	HttpWebResponse()	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.HttpWebResponse	HttpWebResponse(SerializationInfo, StreamingContext)	Serialization is obsoleted for this type.
System.Net.IPAddress	Address	This property has been deprecated. It is address family dependent. Use the IPAddress.Equals method to perform comparisons instead.
System.Net.ServicePointManager	CertificatePolicy	CertificatePolicy is obsoleted for this type. Use ServicePointManager.ServerCertificateValidationCallback instead.
System.Net.WebClient	AllowReadStreamBuffering	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.WebClient	AllowWriteStreamBuffering	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.WebClient	System.Net.WebClient.OnWriteStreamClosed	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.WebClient	WriteStreamClosed	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.WebProxy	GetDefaultProxy	This method has been deprecated. Use the proxy selected for you by default.
System.Net.WebRequest	CreatorInstance	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.WebRequest	RegisterPortableWebRequestCreator	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.WriteStreamClosedEventArgs	Error	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.WriteStreamClosedEventArgs	WriteStreamClosedEventArgs	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.Mail.MailMessage	ReplyTo	ReplyTo is obsoleted for this type. Use MailMessage.ReplyToList instead, which can accept multiple addresses.
System.Net.NetworkInformation.NetworkChange	NetworkChange()	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.NetworkInformation.NetworkChange	RegisterNetworkChange(NetworkChange)	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.Sockets.Socket	SupportsIPv4	SupportsIPv4 is obsoleted for this type. Use Socket.OSSupportsIPv4 instead.
System.Net.Sockets.Socket	SupportsIPv6	SupportsIPv6 is obsoleted for this type. Use Socket.OSSupportsIPv6 instead.
System.Net.Sockets.SocketAsyncEventArgs	SocketClientAccessPolicyProtocol	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Net.Sockets.TcpListener	TcpListener(Int32)	This method has been deprecated. Use TcpListener(IPAddress, Int32) instead.
System.Net.WebSockets.WebSocket	IsApplicationTargeting45	First deprecated in the .NET Framework 4.5. This member is for internal use only and will be removed in a future version of the .NET Framework. Don't call it.
System.Security.Claims.DynamicRoleClaimProvider	AddDynamicRoleClaims	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. Use System.Security.Claims.ClaimsAuthenticationManager to add claims to a ClaimsIdentity.

System.Drawing.dll

Type	Member	Message
System.Drawing.FontFamily	GetFamilies	Don't use the GetFamilies method; use the FontFamily.Families property instead.
System.Drawing.Imaging.EncoderParameter	EncoderParameter(Encoder, Int32, Int32, Int32)	First deprecated in the .NET Framework 4.5. This constructor has been deprecated. Use EncoderParameter(Encoder, Int32, EncoderParameterValueType, IntPtr).

System.Messaging.dll

Type	Member	Message
System.Messaging.MessageQueue	GetEnumerator	This method returns a System.Messaging.MessageEnumerator that implements the MessageEnumerator.RemoveCurrent family of methods incorrectly. Use MessageQueue.GetMessageEnumerator2 instead.
System.Messaging.MessageQueue	GetMessageEnumerator	This method returns a System.Messaging.MessageEnumerator that implements the MessageEnumerator.RemoveCurrent family of methods incorrectly. Use MessageQueue.GetMessageEnumerator2 instead.

System.ServiceModel.dll

Type	Member	Message
System.ServiceModel.BasicHttpBinding	EnableHttpCookieContainer	First deprecated in the .NET Framework 4.5. This property is obsolete. To enable Http CookieContainer, use the HttpBindingBase.AllowCookies property instead.
System.ServiceModel.Configuration.BindingsSection	NetPeerTcpBinding	First deprecated in the .NET Framework 4.5. The peer channel feature is obsolete and will be removed in the future.
System.ServiceModel.Dispatcher.ClientOperationCompatBase	ParameterInspectors	First deprecated in the .NET Framework 4.5. Use of this type generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.ServiceModel.Dispatcher.ClientRuntimeCompatBase	MessageInspectors	First deprecated in the .NET Framework 4.5. Use of this type generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.ServiceModel.Dispatcher.ClientRuntimeCompatBase	Operations	First deprecated in the .NET Framework 4.5. Use of this type generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.ServiceModel.Security.WindowsClientCredential	AllowNtlm	This property is deprecated and is maintained for backward compatibility only. The local machine policy will be used to determine if NTLM should be used.

System.ServiceModel.Discovery.dll

Type	Member	Message
System.ServiceModel.Discovery.UdpAnnouncementEndpoint	TransportSettings	First deprecated in the .NET Framework 4.5. The TransportSettings property is obsolete. Consider using System.ServiceModel.Channels.UdpTransportBindingElement for setting the transport properties.
System.ServiceModel.Discovery.UdpDiscoveryEndpoint	TransportSettings	First deprecated in the .NET Framework 4.5. The TransportSettings property is obsolete. Consider using System.ServiceModel.Channels.UdpTransportBindingElement for setting the transport properties.

System.Web.DataVisualization.dll

Type	Member	Message
System.Web.UI.DataVisualization.Charting.Chart	ViewStateData	ViewStateData has been deprecated. Investigate Control.ViewState instead.

System.Web.dll

Type	Member	Message
System.Web.HttpContext	GetAppConfig	The recommended alternative is WebConfigurationManager.GetWebApplicationSection in System.Web.dll.
System.Web.HttpContext	GetConfig	The recommended alternative is HttpContext.GetSection in System.Web.dll.
System.Web.HttpUtility	UrlEncodeUnicode	First deprecated in the .NET Framework 4.5. This method produces non-standards-compliant output and has interoperability issues. The preferred alternative is UrlEncode(String).
System.Web.HttpUtility	UrlEncodeUnicodeToBytes	First deprecated in the .NET Framework 4.5. This method produces non-standards-compliant output and has interoperability issues. The preferred alternative is UrlEncodeToBytes(String).
System.Web.Configuration.AuthenticationMode	Passport	This field is obsolete. The Passport authentication product is no longer supported and has been superseded by Microsoft Account.
System.Web.Configuration.AuthenticationSection	Passport	This property is obsolete. The Passport authentication product is no longer supported and has been superseded by Microsoft Account.
System.Web.Configuration.HttpCapabilitiesBase	JavaScript	The recommended alternative is the HttpCapabilitiesBase.EcmaScriptVersion property. A Version.Major version value greater than or equal to 1 implies JavaScript support.
System.Web.Configuration.SystemWebSectionGroup	MobileControls	System.Web.Mobile.dll is obsolete.
System.Web.Routing.UrlRoutingModule	PostMapRequestHandler	This method is obsolete. Override the Init method to use the PostMapRequestHandler event.
System.Web.Security.FormsAuthentication	Authenticate	First deprecated in the .NET Framework 4.5. The recommended alternative is to use the System.Web.Security.Membership APIs, such as Membership.ValidateUser.
System.Web.Security.FormsAuthentication	HashPasswordForStoringInConfigFile	First deprecated in the .NET Framework 4.5. The recommended alternative is to use the System.Web.Security.Membership APIs, such as Membership.CreateUser.
System.Web.Security.MachineKey	Decode	First deprecated in the .NET Framework 4.5. This method is obsolete and is only provided for compatibility with existing code. It is recommended that new code use the Protect and Unprotect methods instead.
System.Web.Security.MachineKey	Encode	First deprecated in the .NET Framework 4.5. This method is obsolete and is only provided for compatibility with existing code. It is recommended that new code use the Protect and Unprotect methods instead.
System.Web.UI.Page	FileDependencies	The recommended alternative is HttpResponse.AddFileDependencies.
System.Web.UI.Page	GetPostBackClientEvent	The recommended alternative is ClientScriptManager.GetPostBackEventReference.
System.Web.UI.Page	GetPostBackClientHyperlink	The recommended alternative is ClientScriptManager.GetPostBackClientHyperlink.
System.Web.UI.Page	GetPostBackEventReference(Control)	The recommended alternative is ClientScriptManager.GetPostBackEventReference(Control, String).
System.Web.UI.Page	GetPostBackEventReference(Control, String)	The recommended alternative is ClientScriptManager.GetPostBackEventReference.
System.Web.UI.Page	IsClientScriptBlockRegistered	The recommended alternative is ClientScriptManager.IsClientScriptBlockRegistered.
System.Web.UI.Page	IsStartupScriptRegistered	The recommended alternative is ClientScriptManager.IsStartupScriptRegistered.
System.Web.UI.Page	RegisterArrayDeclaration	The recommended alternative is ClientScriptManager.RegisterArrayDeclaration.
System.Web.UI.Page	RegisterClientScriptBlock	The recommended alternative is ClientScriptManager.RegisterClientScriptBlock.
System.Web.UI.Page	RegisterHiddenField	The recommended alternative is ClientScriptManager.RegisterHiddenField.
System.Web.UI.Page	RegisterOnSubmitStatement	The recommended alternative is ClientScriptManager.RegisterOnSubmitStatement.
System.Web.UI.Page	RegisterStartupScript	The recommended alternative is ClientScriptManager.RegisterStartupScript.
System.Web.UI.Page	SmartNavigation	The recommended alternative is Page.SetFocus and Page.MaintainScrollPositionOnPostBack.
System.Web.UI.TemplateControl	AutoHandlers	Use of this property isn't recommended because it is no longer useful.
System.Web.UI.WebControls.GridView	CreateAutoGeneratedColumn	First deprecated in the .NET Framework 4.5. This method is kept for backward compatibility. This API is no longer used.
System.Web.UI.WebControls.Xml	Document	The recommended alternative is the Xml.XPathNavigator property. Create a System.Xml.XPath.XPathDocument and call XPathDocument.CreateNavigator to create an System.Xml.XPath.XPathNavigator.

System.Web.DynamicData.dll

Type	Member	Message
System.Web.DynamicData.DynamicDataExtensions	EnablePersistedSelection	Use the EnablePersistedSelection property on a databound control such as System.Web.UI.WebControls.GridView or System.Web.UI.WebControls.ListView.

System.Web.Extensions.dll

Type	Member	Message
System.Web.UI.CompositeScriptReference	IsFromSystemWebExtensions	Use CompositeScriptReference.IsAjaxFrameworkScript.
System.Web.UI.ScriptManager	ScriptPath	This property is obsolete. Set the System.Web.UI.ScriptReference.Path property on each individual System.Web.UI.ScriptReference instead.
System.Web.UI.ScriptReference	IgnoreScriptPath	This property is obsolete. Instead of using ScriptManager.ScriptPath, set the System.Web.UI.ScriptReference.Path property on each individual System.Web.UI.ScriptReference.
System.Web.UI.ScriptReference	IsFromSystemWebExtensions	Use ScriptReference.IsAjaxFrameworkScript.
System.Web.UI.ScriptReferenceBase	IsFromSystemWebExtensions	Use ScriptReferenceBase.IsAjaxFrameworkScript.
System.Web.UI.ScriptReferenceBase	NotifyScriptLoaded	NotifyScriptLoaded is no longer required in script references.
System.Web.UI.ScriptResourceAttribute	ScriptResourceName	This property is obsolete. Use ScriptResourceAttribute.StringResourceName instead.
System.Web.UI.ScriptResourceAttribute	TypeName	This property is obsolete. Use ScriptResourceAttribute.StringResourceClientTypeName instead.

System.Web.Services.dll

Type	Member	Message
System.Web.Services.Discovery.DiscoveryClientProtocol	LoadExternals	This method will be removed from a future version. The method call is no longer required for resource discovery.
System.Web.Services.Protocols.SoapHeaderAttribute	Required	This property will be removed from a future version. The presence of a particular header in a SOAP message is no longer enforced.

System.Windows.Forms.dll

Type	Member	Message
System.Windows.Forms.AccessibleStates	Valid	This enumeration value has been deprecated. There is no replacement.
System.Windows.Forms.ComboBox	AddItemsCore	This method has been deprecated. There is no replacement.
System.Windows.Forms.Control	RenderRightToLeft	This property has been deprecated. Use Control.RightToLeft instead.
System.Windows.Forms.Control	Scale(Single)	This method has been deprecated. Use the Control.Scale(SizeF) method instead.
System.Windows.Forms.Control	Scale(Single, Single)	This method has been deprecated. Use the Control.Scale(SizeF) method instead.
System.Windows.Forms.Form	ApplyAutoScaling	This method has been deprecated. Use the PerformAutoScale method instead.
System.Windows.Forms.Form	AutoScale	This property has been deprecated. Use the ContainerControl.AutoScaleMode property instead.
System.Windows.Forms.Form	GetAutoScaleSize	This method has been deprecated. Use the ContainerControl.AutoScaleDimensions property instead.
System.Windows.Forms.Label	RenderTransparent	This property has been deprecated. Use BackColor instead.
System.Windows.Forms.ListBox	AddItemsCore	This method has been deprecated. There is no replacement.
System.Windows.Forms.PrintPreviewDialog	AutoScaleBaseSize	This property has been deprecated. Use the ContainerControl.AutoScaleDimensions property instead.

System.Xaml.dll

Type	Member	Message
System.Windows.Markup.MarkupExtensionReturnTypeAttribute	ExpressionType	This isn't used by the XAML parser. See System.Windows.Markup.XamlSetMarkupExtensionAttribute.
System.Windows.Markup.MarkupExtensionReturnTypeAttribute	MarkupExtensionReturnTypeAttribute(Type, Type)	The expressionType argument isn't used by the XAML parser. To specify the expected return type, use MarkupExtensionReturnTypeAttribute(Type). To specify custom handling for expression types, use System.Windows.Markup.XamlSetMarkupExtensionAttribute.

System.Xml.dll

Type	Member	Message
System.Xml.ValidationType	Auto	Validation type should be specified as ValidationType.DTD or ValidationType.Schema.
System.Xml.ValidationType	XDR	XDR validation through System.Xml.XmlValidatingReader is obsoleted.
System.Xml.XmlConvert	ToDateTime(String)	Use XmlConvert.ToDateTime(String, XmlDateTimeSerializationMode).
System.Xml.XmlConvert	ToString(DateTime)	Use XmlConvert.ToString(DateTime, XmlDateTimeSerializationMode).
System.Xml.XmlReaderSettings	ProhibitDtd	Use the XmlReaderSettings.DtdProcessing property instead.
System.Xml.XmlReaderSettings	XmlReaderSettings(XmlResolver)	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. This API supports the .NET Framework infrastructure and isn't intended to be used directly from your code.
System.Xml.XmlTextReader	ProhibitDtd	Use the XmlTextReader.DtdProcessing property instead.
System.Xml.Schema.XmlSchema	Compile(ValidationEventHandler)	Use XmlSchemaSet for schema compilation and validation.
System.Xml.Schema.XmlSchema	Compile(ValidationEventHandler, XmlResolver)	Use XmlSchemaSet for schema compilation and validation.
System.Xml.Schema.XmlSchemaAttribute	AttributeType	This property has been deprecated. Use XmlSchemaAttribute.AttributeSchemaType property, which returns a strongly typed attribute type.
System.Xml.Schema.XmlSchemaElement	ElementType	This property has been deprecated. Use the XmlSchemaElement.ElementSchemaType property, which returns a strongly typed element type.
System.Xml.Schema.XmlSchemaType	BaseSchemaType	This property has been deprecated. Use the XmlSchemaType.BaseXmlSchemaType property, which returns a strongly typed base schema type.
System.Xml.Serialization.CodeIdentifier	CodeIdentifier	This class should never get constructed as it contains only static methods.
System.Xml.Serialization.XmlSerializer	FromMappings(XmlMapping[], Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of XmlSerializer.FromMappings that doesn't take an System.Security.Policy.Evidence parameter.
System.Xml.Serialization.XmlSerializer	XmlSerializer(Type, XmlAttributeOverrides, Type[], XmlRootAttribute, String, String, Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an XmlSerializer constructor overload that doesn't take an System.Security.Policy.Evidence parameter.
System.Xml.Serialization.XmlSerializerFactory	CreateSerializer(Type, XmlAttributeOverrides, Type[], XmlRootAttribute, String, String, Evidence)	This method is obsolete and will be removed in a future release of the .NET Framework. Use an overload of XmlSerializerFactory.CreateSerializer that doesn't take an System.Security.Policy.Evidence parameter.

IEHost.dll and IEExec.exe

The IEHost.dll and IEExec.exe assemblies have been removed from .NET Framework. All of their types and their members are obsolete and are not supported in .NET Framework 4.5 and later. These assemblies were used to host Windows Forms controls and to run executables in Internet Explorer. Alternatives to this technology include ClickOnce, XAML Browser Applications (XBAP), and Microsoft Silverlight.

ISymWrapper.dll

Type	Member	Message
System.Diagnostics.SymbolStore.SymBinder	GetReader(Int32, String, String)	The recommended alternative is SymBinder.GetReader(IntPtr, String, String). ISymbolBinder1.GetReader takes the importer interface pointer as an System.IntPtr instead of an System.Int32, and thus works on both 32-bit and 64-bit architectures.

Microsoft.Build.Conversion.v4.0.dll

Type	Member	Message
Microsoft.Build.Conversion.ProjectFileConverter	Convert(ProjectLoadSettings)	Use parameterless Convert() overload instead.
Microsoft.Build.Conversion.ProjectFileConverter	Convert(String)	Use parameterless Convert() overload instead.
Microsoft.Build.Conversion.ProjectFileConverter	ConvertInMemory(Engine)	Use parameterless ProjectFileConverter.ConvertInMemory() method instead.
Microsoft.Build.Conversion.ProjectFileConverter	ConvertInMemory(Engine, ProjectLoadSettings)	Use parameterless ProjectFileConverter.ConvertInMemory() method instead.

Microsoft.Build.Engine.dll

Type	Member	Message
Microsoft.Build.BuildEngine.Engine	BinPath	Avoid setting BinPath. If you were simply passing in the .NET Framework location as the BinPath, no other action is necessary. Otherwise, define Toolsets instead in the registry or config file, or by adding elements to the Engine's Microsoft.Build.BuildEngine.ToolsetCollection, to use a custom BinPath.
Microsoft.Build.BuildEngine.Engine	Engine(String)	If you were simply passing in the .NET Framework location as the BinPath, just change to the parameterless Engine() constructor. Otherwise, you can define custom toolsets in the registry or configuration file, or add elements to the Engine's Microsoft.Build.BuildEngine.ToolsetCollection. Then use either the Engine() or Engine(ToolsetDefinitionLocations) constructor instead.

Microsoft.Build.Framework.dll

Type	Member	Message
Microsoft.Build.Framework.XamlTypes.ContentType	ItemGroupName	First deprecated in the .NET Framework 4.5. Use of this member generates a compiler error. Use the ContentType.ItemType property instead.

Microsoft.Build.Utilities.v4.0.dll

Type	Member	Message
Microsoft.Build.Utilities.ToolTask	EnvironmentOverride	Use the ToolTask.EnvironmentVariables property.

Microsoft.Data.Entity.Build.Tasks.dll

Type	Member	Message
Microsoft.Data.Entity.Build.Tasks.EntityDeploy	EntityDataModelEmbeddedResources	First deprecated in the .NET Framework 4.5. Used only for version 3.5 backward compatibility.

Microsoft.VisualBasic.dll

Type	Member	Message
Microsoft.VisualBasic.FileSystem	FilePut(Object, Object, Object)	This member has been deprecated. Use FileSystem.FilePutObject to write Object types, or coerce FileNumber and RecordNumber to Int32 for writing non-object types.
Microsoft.VisualBasic.CompilerServices.Conversions	FallbackUserDefinedConversion	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackCall	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackGet	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackIndexSet	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackIndexSetComplex	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackInvokeDefault1	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackInvokeDefault2	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackSet	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.NewLateBinding	FallbackSetComplex	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.CompilerServices.Operators	FallbackInvokeUserDefinedOperator	Use of this member generates a compiler error. Don't use this method.
Microsoft.VisualBasic.MyServices.RegistryProxy	DynData	The DynData registry key works only on Win9x, which isn't supported by this version of .NET Framework. Use the PerformanceData registry key instead. This property will be removed from a future version of .NET Framework.

See also

• What's obsolete in .NET Framework
• Obsolete types