ConstructorBuilder.SetImplementationFlags-Methode

Legt die Implementierungsflags der Methode für diesen Konstruktor fest.

Namespace: System.Reflection.Emit
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
Public Sub SetImplementationFlags ( _
    attributes As MethodImplAttributes _
)
'Usage
Dim instance As ConstructorBuilder
Dim attributes As MethodImplAttributes

instance.SetImplementationFlags(attributes)

public void SetImplementationFlags (
    MethodImplAttributes attributes
)

public:
void SetImplementationFlags (
    MethodImplAttributes attributes
)

public void SetImplementationFlags (
    MethodImplAttributes attributes
)

public function SetImplementationFlags (
    attributes : MethodImplAttributes
)

Parameter

• attributes
  Die Methodenimplementierungsflags.

Ausnahmen

Ausnahmetyp	Bedingung
InvalidOperationException	Der enthaltende Typ wurde mit CreateType erstellt.

Hinweise

Im folgenden Codebeispiel wird die Verwendung von SetImplementationFlags veranschaulicht.

Dim myMethodBuilder As MethodBuilder = Nothing
Dim myCurrentDomain As AppDomain = AppDomain.CurrentDomain
' Create assembly in current CurrentDomain.
Dim myAssemblyName As New AssemblyName()
myAssemblyName.Name = "TempAssembly"
' Create a dynamic assembly.
myAssemblyBuilder = myCurrentDomain.DefineDynamicAssembly _
                                      (myAssemblyName, AssemblyBuilderAccess.Run)
' Create a dynamic module in the assembly.
myModuleBuilder = myAssemblyBuilder.DefineDynamicModule("TempModule", True)
Dim myFieldInfo2 As FieldInfo = myModuleBuilder.DefineUninitializedData _
                                      ("myField", 2, FieldAttributes.Public)
' Create a type in the module.
Dim myTypeBuilder As TypeBuilder = myModuleBuilder.DefineType _
                                            ("TempClass", TypeAttributes.Public)
Dim myGreetingField As FieldBuilder = myTypeBuilder.DefineField _
                                 ("Greeting", GetType(String), FieldAttributes.Public)
Dim myConstructorArgs As Type() = {GetType(String)}
' Define a constructor of the dynamic class.
Dim myConstructor As ConstructorBuilder = myTypeBuilder.DefineConstructor _
                  (MethodAttributes.Public, CallingConventions.Standard, myConstructorArgs)
' Set the method implementation flags for the constructor.
myConstructor.SetImplementationFlags(MethodImplAttributes.PreserveSig Or _
                                     MethodImplAttributes.Runtime)
' Get the method implementation flags for the constructor.
Dim myMethodAttributes As MethodImplAttributes = myConstructor.GetMethodImplementationFlags()
Dim myAttributeType As Type = GetType(MethodImplAttributes)
Dim myAttribValue As Integer = CInt(myMethodAttributes)
If Not myAttributeType.IsEnum Then
   Console.WriteLine("This is not an Enum")
End If
' Display the field info names of the retrieved method implementation flags.
Dim myFieldInfo As FieldInfo() = myAttributeType.GetFields(BindingFlags.Public Or _
                                                           BindingFlags.Static)
Console.WriteLine("The Field info names of the MethodImplAttributes for the constructor are:")
Dim i As Integer
For i = 0 To myFieldInfo.Length - 1
   Dim myFieldValue As Integer = CType(myFieldInfo(i).GetValue(Nothing), Int32)
   If(myFieldValue And myAttribValue) = myFieldValue Then
      Console.WriteLine("   " + myFieldInfo(i).Name)
   End If
Next i

MethodBuilder myMethodBuilder = null;
AppDomain myCurrentDomain = AppDomain.CurrentDomain;
// Create assembly in current CurrentDomain.
AssemblyName myAssemblyName = new AssemblyName();
myAssemblyName.Name = "TempAssembly";
// Create a dynamic assembly.
myAssemblyBuilder = myCurrentDomain.DefineDynamicAssembly
   (myAssemblyName, AssemblyBuilderAccess.Run);
// Create a dynamic module in the assembly.
myModuleBuilder = myAssemblyBuilder.DefineDynamicModule("TempModule", true);
FieldInfo myFieldInfo2 =
   myModuleBuilder.DefineUninitializedData("myField", 2, FieldAttributes.Public);
// Create a type in the module.
TypeBuilder myTypeBuilder = myModuleBuilder.DefineType("TempClass",TypeAttributes.Public);
FieldBuilder myGreetingField = myTypeBuilder.DefineField("Greeting", 
   typeof(String), FieldAttributes.Public);
Type[] myConstructorArgs = { typeof(String) };
// Define a constructor of the dynamic class.
ConstructorBuilder myConstructor = myTypeBuilder.DefineConstructor(
   MethodAttributes.Public, CallingConventions.Standard, myConstructorArgs);
// Set the method implementation flags for the constructor.
myConstructor.SetImplementationFlags(MethodImplAttributes.PreserveSig | MethodImplAttributes.Runtime);
// Get the method implementation flags for the constructor.
MethodImplAttributes myMethodAttributes = myConstructor.GetMethodImplementationFlags();
Type myAttributeType = typeof(MethodImplAttributes);
int myAttribValue = (int) myMethodAttributes;
if(! myAttributeType.IsEnum)
{
   Console.WriteLine("This is not an Enum");
}
// Display the field info names of the retrieved method implementation flags.
FieldInfo[] myFieldInfo = myAttributeType.GetFields(BindingFlags.Public | BindingFlags.Static);
Console.WriteLine("The Field info names of the MethodImplAttributes for the constructor are:");
for (int i = 0; i < myFieldInfo.Length; i++)
{
   int myFieldValue = (Int32)myFieldInfo[i].GetValue(null);
   if ((myFieldValue & myAttribValue) == myFieldValue)
   {
      Console.WriteLine("   " + myFieldInfo[i].Name);
   }
}

MethodBuilder^ myMethodBuilder = nullptr;
AppDomain^ myCurrentDomain = AppDomain::CurrentDomain;

// Create assembly in current CurrentDomain.
AssemblyName^ myAssemblyName = gcnew AssemblyName;
myAssemblyName->Name = "TempAssembly";

// Create a dynamic assembly.
myAssemblyBuilder = myCurrentDomain->DefineDynamicAssembly( myAssemblyName, AssemblyBuilderAccess::Run );

// Create a dynamic module in the assembly.
myModuleBuilder = myAssemblyBuilder->DefineDynamicModule( "TempModule", true );
FieldInfo^ myFieldInfo2 = myModuleBuilder->DefineUninitializedData( "myField", 2, FieldAttributes::Public );

// Create a type in the module.
TypeBuilder^ myTypeBuilder = myModuleBuilder->DefineType( "TempClass", TypeAttributes::Public );
FieldBuilder^ myGreetingField = myTypeBuilder->DefineField( "Greeting", String::typeid, FieldAttributes::Public );
array<Type^>^myConstructorArgs = {String::typeid};

// Define a constructor of the dynamic class.
ConstructorBuilder^ myConstructor = myTypeBuilder->DefineConstructor( MethodAttributes::Public, CallingConventions::Standard, myConstructorArgs );

// Set the method implementation flags for the constructor.
myConstructor->SetImplementationFlags( static_cast<MethodImplAttributes>(MethodImplAttributes::PreserveSig | MethodImplAttributes::Runtime) );

// Get the method implementation flags for the constructor.
MethodImplAttributes myMethodAttributes = myConstructor->GetMethodImplementationFlags();
Type^ myAttributeType = MethodImplAttributes::typeid;
int myAttribValue = (int)myMethodAttributes;
if (  !myAttributeType->IsEnum )
{
   Console::WriteLine( "This is not an Enum" );
}

// Display the field info names of the retrieved method implementation flags.
array<FieldInfo^>^myFieldInfo = myAttributeType->GetFields( static_cast<BindingFlags>(BindingFlags::Public | BindingFlags::Static) );
Console::WriteLine( "The Field info names of the MethodImplAttributes for the constructor are:" );
for ( int i = 0; i < myFieldInfo->Length; i++ )
{
   int myFieldValue =  *safe_cast<Int32^>(myFieldInfo[ i ]->GetValue( nullptr ));
   if ( (myFieldValue & myAttribValue) == myFieldValue )
   {
      Console::WriteLine( " {0}", myFieldInfo[ i ]->Name );
   }
}

Plattformen

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

ConstructorBuilder-Klasse
ConstructorBuilder-Member
System.Reflection.Emit-Namespace