System.Management.Automation Namespace

Classes

ActionPreferenceStopException	ActionPreferenceStopException indicates that the command stopped due to the ActionPreference.Stop or Inquire policy.
AliasAttribute	Declares an alternative name for a parameter, cmdlet, or function.
AliasInfo	Provides information about a mapping between a command name and a real command.
AllowEmptyCollectionAttribute	Allows an empty collection as the argument to a mandatory collection parameter.
AllowEmptyStringAttribute	Allows an empty string as the argument to a mandatory string parameter.
AllowNullAttribute	Allows a NULL as the argument to a mandatory parameter.
ApplicationFailedException	Defines the exception that is thrown if a native command fails.
ApplicationInfo	Provides information for applications that are not directly executable by PowerShell.
ArgumentCompleterAttribute	This attribute is used to specify an argument completer for a parameter to a cmdlet or function. [Parameter()] [ArgumentCompleter(typeof(NounArgumentCompleter))] public string Noun { get; set; }
ArgumentCompleterFactoryAttribute	Base class for parameterized argument completer attributes.
ArgumentCompletionsAttribute	This attribute is used to specify an argument completions for a parameter of a cmdlet or function based on string array. [Parameter()] [ArgumentCompletions("Option1","Option2","Option3")] public string Noun { get; set; }
ArgumentTransformationAttribute	Serves as the base class for attributes that perform argument transformation.
ArgumentTransformationMetadataException	Defines the exception thrown for all ArgumentTransformation attributes.
AuthorizationManager	Defines the base class for an authorization manager of a Runspace. An authorization manager helps a host control and restrict the execution of commands. For each of the command types listed in the CommandTypes enumeration, the engine requests permission from the AuthorizationManager to run the command. Extending this class requires that you override the ShouldRun method with the logic specific to your needs. The base class gives permission to run every command. The default Microsoft.PowerShell.PSAuthorizationManager provides a customized and much more complete authorization policy.
BreakException	Flow control BreakException.
Breakpoint	Holds the information for a given breakpoint.
BreakpointUpdatedEventArgs	Arguments for the BreakpointUpdated event.
CachedValidValuesGeneratorBase	Optional base class for IValidateSetValuesGenerator implementations that want a default implementation to cache valid values.
CallStackFrame	A call stack item returned by the Get-PSCallStack cmdlet.
CatalogInformation	Object returned by Catalog Cmdlets
ChildItemCmdletProviderIntrinsics	Exposes the Children noun of the Cmdlet Providers to the Cmdlet base class. The methods of this class use the providers to perform operations.
Cmdlet	Defines members and overrides used by Cmdlets. All Cmdlets must derive from Cmdlet.
CmdletAttribute	Identifies a class as a cmdlet and specifies the verb and noun identifying this cmdlet.
CmdletBindingAttribute	Identifies PowerShell script code as behaving like a cmdlet and hence uses cmdlet parameter binding instead of script parameter binding.
CmdletCommonMetadataAttribute	Contains information about a cmdlet's metadata.
CmdletInfo	The command information for cmdlets that are directly executable by PowerShell.
CmdletInvocationException	Indicates that a cmdlet hit a terminating error.
CmdletProviderInvocationException	Indicates that a cmdlet hit a terminating error of type ProviderInvocationException. This is generally reported from the standard provider navigation cmdlets such as get-childitem.
CmdletProviderManagementIntrinsics	Exposes the APIs to manage the Cmdlet Providers the Cmdlet base class. The methods of this class get and set provider data in session state.
CmsMessageRecipient	Represents a message recipient for the Cms cmdlets.
CommandBreakpoint	A breakpoint on a command.
CommandCompletion	Provides a set of possible completions for given input.
CommandInfo	The base class for the information about commands. Contains the basic information about the command, like name and type.
CommandInvocationIntrinsics	Interfaces that cmdlets can use to build script blocks and execute scripts.
CommandLookupEventArgs	EventArgs for the ScriptCmdletVariableUpdate event.
CommandMetadata	This class represents the compiled metadata for a command type.
CommandNotFoundException	This exception is thrown when a command cannot be found.
CommandParameterInfo	Provides information about a cmdlet parameter for a particular parameter set.
CommandParameterSetInfo	The information about a parameter set and its parameters for a cmdlet.
CompletionCompleters
CompletionResult	Class used to store a tab completion or Intellisense result.
ConfigurationInfo	Provides information about a configuration that is stored in session state.
ContainerParentJob	Top level container job.
ContentCmdletProviderIntrinsics	Exposes the Content nouns to the Cmdlet Providers to the Cmdlet base class. The methods of this class use the providers to perform operations.
ContinueException	Flow control ContinueException.
ConvertThroughString	Enables a type that only has conversion from string to be converted from all other types through string.
CredentialAttribute	Defines the attribute used to designate a cmdlet parameter as one that should accept credentials.
CustomControl
CustomControlBuilder
CustomControlEntry
CustomEntryBuilder
CustomItemBase
CustomItemExpression
CustomItemFrame
CustomItemNewline
CustomItemText
DataAddedEventArgs	Event arguments passed to PSDataCollection DataAdded handlers.
DataAddingEventArgs	Event arguments passed to PSDataCollection DataAdding handlers.
Debugger	Base class for all PowerShell debuggers.
DebuggerCommandResults	Command results returned from Debugger.ProcessCommand.
DebuggerStopEventArgs	Arguments for the DebuggerStop event.
DebugRecord	A debug record in the PSInformationalBuffers.
DefaultParameterDictionary	A versionable hashtable, so the caching of UserInput -> ParameterBindingResult will work.
DisplayEntry	One entry in a format display unit, script block or property name.
DriveManagementIntrinsics	Exposes the Cmdlet Family Provider's drives to the Cmdlet base class. The methods of this class get and set provider data in session state.
DriveNotFoundException	DriveNotFoundException occurs when no drive can be found with the specified name.
DscLocalConfigurationManagerAttribute	Indication the configuration is for local configuration manager, also known as meta configuration.
DscPropertyAttribute	When specified on a property or field of a DSC Resource, the property can or must be specified in a configuration, unless it is marked NotConfigurable, in which case it is returned by the Get() method of the resource.
DscResourceAttribute	Indicates the class defines a DSC resource.
DscResourceInfo	Contains a DSC resource information.
DscResourcePropertyInfo	Contains a DSC resource property information.
DynamicClassImplementationAssemblyAttribute	This attribute is used on a dynamic assembly to mark it as one that is used to implement a set of classes defined in a PowerShell script.
EngineIntrinsics	Exposes the Engine APIs for a particular instance of the engine.
EntrySelectedBy	Each control (table, list, wide, or custom) may have multiple entries. If there are multiple entries, there must be a default entry with no condition, all other entries must have EntrySelectedBy specified. This is useful when you need a single view for grouping or otherwise just selecting the shape of formatting, but need distinct formatting rules for each instance. For example, when listing files, you may want to group based on the parent path, but select different entries depending on if the item is a file or directory.
ErrorCategoryInfo	Contains auxiliary information about an ErrorRecord
ErrorDetails	Additional details about an ErrorRecord
ErrorRecord	Represents an error.
ExitException	Implements the exit keyword.
ExperimentalAttribute	The attribute that applies to cmdlet/function/parameter to define what the engine should do with it.
ExperimentalFeature	Support experimental features in PowerShell.
ExtendedTypeDefinition	Specifies additional type definitions for an object.
ExtendedTypeSystemException	Defines the exception thrown for all Extended type system related errors.
ExternalScriptInfo	Provides information for scripts that are directly executable by PowerShell but are not built into the runspace configuration.
FilterInfo	Provides information about a filter that is stored in session state.
FlagsExpression<T>	Takes as input a collection of strings and builds an expression tree from the input. At the evaluation stage, it walks down the tree and evaluates the result.
FlowControlException	FlowControlException, base class for flow control exceptions.
FormatViewDefinition	Defines a formatting view for a particular type.
ForwardedEventArgs	Event argument associated with the event fired in a remote runspace and forwarded to the current runspace.
FunctionInfo	Provides information about a function that is stored in session state.
GettingValueExceptionEventArgs	Serves as the arguments for events triggered by exceptions in the GetValue method of PSObjectPropertyDescriptor
GetValueException	Defines the exception thrown for errors getting the value of properties.
GetValueInvocationException	Defines the exception thrown for exceptions thrown by property getters.
HaltCommandException	A cmdlet/provider should throw HaltCommandException when it wants to terminate the running command without this being considered an error.
HiddenAttribute	Specify that the member is hidden for the purposes of cmdlets like Get-Member and that the member is not displayed by default by Format-* cmdlets.
HostInformationMessage	Class that holds informational messages to represent output created by the Write-Host cmdlet.
HostUtilities	Implements utility methods that might be used by Hosts.
IncompleteParseException	Defines the exception thrown when a incomplete parse error occurs while parsing PowerShell script text.
InformationalRecord	Base class for items in the PSInformationalBuffers. A PSInformationalRecord consists of a string Message and the InvocationInfo and pipeline state corresponding to the command that created the record.
InformationRecord	Defines a data structure used to represent informational context destined for the host or user.
InvalidJobStateException	Defines exception which is thrown when state of the PSJob is different from the expected state.
InvalidPowerShellStateException	Defines exception which is thrown when state of the PowerShell is different from the expected state.
InvocationInfo	Describes how and where this command was invoked.
ItemCmdletProviderIntrinsics	Exposes the Item noun of the Cmdlet Providers to the Cmdlet base class. The methods of this class use the providers to perform operations.
ItemNotFoundException	ItemNotFoundException occurs when the path contained no wildcard characters and an item at that path could not be found.
Job	Represents a command running in background. A job object can internally contain many child job objects.
Job2	New base class for a job that provides extended state management functionality on the job. Since the existing Job class is an abstract class and there are existing implementations of the same, it is required to have a new class that will have the extended functionality. This is to ensure that backwards compatibility is maintained However, this class will derive from the existing Job class. The option of deprecating the existing class was considered as well. In order to maintain backwards compatibility of PowerShell job cmdlets they will have to work with the old interface and hence deprecating the Job class did not add any benefit rather than deriving from the same.
JobDefinition	Contains the definition of a job which is defined in a job store.
JobFailedException	Container exception for jobs that can map errors and exceptions to specific lines in their input.
JobIdentifier	Object that must be created by PowerShell to allow reuse of an ID for a job. Also allows setting of the Instance Id so that jobs may be recreated.
JobInvocationInfo	Class that helps define the parameters to be passed to a job so that the job can be instantiated without having to specify the parameters explicitly. Helps in passing job parameters to disk.
JobManager	Manager for JobSourceAdapters for invocation and management of specific Job types.
JobRepository	Class which has list of job objects currently active in the system.
JobSourceAdapter	Abstract class for a job store which will contain the jobs of a specific type.
JobStateEventArgs	Event arguments passed to JobStateEvent handlers StateChanged event.
JobStateInfo	Type which has information about JobState and Exception ,if any, associated with JobState.
LanguagePrimitives	Defines language support methods.
LineBreakpoint	A breakpoint on a line or statement.
ListControl	Defines a list control.
ListControlBuilder
ListControlEntry	Defines one entry in a list control.
ListControlEntryItem	Defines one row in a list control entry.
ListEntryBuilder
LocationChangedEventArgs	Event argument for the LocationChangedAction containing information about the old location we were in and the new location we changed to.
LoopFlowException	LoopFlowException, base class for loop control exceptions.
MetadataException	Defines the exception thrown for all Metadata errors.
MethodException	Defines the exception thrown for Method related errors.
MethodInvocationException	Defines the exception thrown for Method invocation exceptions.
ModuleIntrinsics	Encapsulates the basic module operations for a PowerShell engine instance...
NativeCommandExitException	This exception is used by the NativeCommandProcessor to indicate an error when a native command returns a non-zero exit code.
NullValidationAttributeBase	Base type of Null Validation attributes.
OrderedHashtable	OrderedHashtable is a hashtable that preserves the order of the keys.
OutputTypeAttribute	OutputTypeAttribute is used to specify the type of objects output by a cmdlet or script.
PagingParameters	The parameters for the paging support enabled by SupportsPaging. Includes: -IncludeTotalCount, -Skip [int], -First [int]
ParameterAttribute	Identifies parameters to Cmdlets.
ParameterBindingException	The exception thrown if the specified value can not be bound parameter of a command.
ParameterMetadata	This class represents the compiled metadata for a parameter.
ParameterSetMetadata	This class represents the compiled metadata for a parameter set.
ParentContainsErrorRecordException	ParentContainsErrorRecordException is the exception contained by the ErrorRecord which is associated with a PowerShell engine custom exception through the IContainsErrorRecord interface.
ParseException	Defines the exception thrown when a syntax error occurs while parsing PowerShell script text.
ParsingMetadataException	Defines the exception thrown for all parameter binding exceptions related to metadata attributes.
PathInfo	An object that represents a path.
PathInfoStack	An object that represents a stack of paths.
PathIntrinsics	Exposes the path manipulation and location APIs to the Cmdlet base class.
PipelineClosedException	PipelineClosedException occurs when someone tries to write to an asynchronous pipeline source and the pipeline has already been stopped.
PipelineDepthException	PipelineDepthException occurs when the number of commands participating in a pipeline (object streaming) exceeds the configured maximum.
PipelineStoppedException	Indicates that the pipeline has already been stopped.
Platform	These are platform abstractions and platform specific implementations.
PowerShell	Represents a PowerShell command or script to execute against a Runspace(Pool) if provided, otherwise execute using a default Runspace. Provides access to different result buffers like output, error, debug, verbose, progress, warning, and information. Provides a simple interface to execute a powershell command: Powershell.Create().AddScript("get-process").Invoke(); The above statement creates a local runspace using default configuration, executes the command and then closes the runspace. Using RunspacePool property, the caller can provide the runspace where the command / script is executed.
PowerShellAssemblyLoadContextInitializer	This is the managed entry point for Microsoft.PowerShell.CoreCLR.AssemblyLoadContext.dll.
PowerShellStreams<TInput,TOutput>	Define all the output streams and one input stream for a workflow.
PowerShellUnsafeAssemblyLoad	Provides helper functions to facilitate calling managed code from a native PowerShell host.
ProcessRunspaceDebugEndEventArgs	ProcessRunspaceDebugEnd event arguments.
ProgressRecord	Defines a data structure used to represent the status of an ongoing operation at a point in time.
PropertyCmdletProviderIntrinsics	Exposes the Property noun of the Cmdlet Providers to the Cmdlet base class. The methods of this class use the providers to perform operations.
PropertyNotFoundException	Defines the exception thrown for errors getting the value of properties.
ProviderCmdlet	Providers that want to specify OutputType can use these strings for the ProviderCmdlet parameter.
ProviderInfo	Information about a loaded Cmdlet Provider.
ProviderIntrinsics	Exposes the Cmdlet Family Providers to the Cmdlet base class. The methods of this class use the providers to perform operations.
ProviderInvocationException	An exception that wraps all exceptions that are thrown by providers. This allows callers of the provider APIs to be able to catch a single exception no matter what any of the various providers may have thrown.
ProviderNameAmbiguousException	ProviderNameAmbiguousException occurs when more than one provider exists for a given name and the request did not contain the PSSnapin name qualifier.
ProviderNotFoundException	ProviderNotFoundException occurs when no provider can be found with the specified name.
ProxyCommand	A ProxyCommand class used to represent a Command constructed Dynamically.
PSAdaptedProperty	A property created by a user-defined PSPropertyAdapter.
PSAliasProperty	Serves as an alias to another member.
PSArgumentException	This is a wrapper for exception class ArgumentException which provides additional information via IContainsErrorRecord.
PSArgumentNullException	This is a wrapper for exception class ArgumentNullException which provides additional information via IContainsErrorRecord.
PSArgumentOutOfRangeException	This is a wrapper for exception class ArgumentOutOfRangeException which provides additional information via IContainsErrorRecord.
PSClassInfo	Contains a PS Class information.
PSClassMemberInfo	Contains a class field information.
PSCmdlet	Defines members and overrides used by Cmdlets. All Cmdlets must derive from Cmdlet.
PSCodeMethod	Serves as a method implemented with a reference to another method.
PSCodeProperty	Serves as a property implemented with references to methods for getter and setter.
PSCommand	Defines a PowerShell command / script object which can be used with PowerShell object.
PSControl	Defines a control for the formatting types defined by PowerShell.
PSControlGroupBy	Allows specifying a header for groups of related objects being formatted, can be specified on any type of PSControl.
PSCredential	Offers a centralized way to manage usernames, passwords, and credentials.
PSCustomObject	Serves as a placeholder BaseObject when PSObject's constructor with no parameters is used.
PSDataCollection<T>	build Thread Safe buffer used with PowerShell Hosting interfaces.
PSDataStreams	Streams generated by PowerShell invocations.
PSDebugContext	This class exposes the information about the debugger that is available via $PSDebugContext.
PSDefaultValueAttribute	Specify a default value and/or help comment for a command parameter. This attribute does not have any semantic meaning, it is simply an aid to tools to make it simpler to know the true default value of a command parameter (which may or may not have any correlation with, e.g., the backing store of the Parameter's property or field.
PSDriveInfo	Defines a drive that exposes a provider path to the user.
PSDynamicMember	A dynamic member.
PSEngineEvent	Constants that represent PowerShell engine events.
PSEvent	Used to access the adapted or base events from the BaseObject.
PSEventArgs	The event arguments associated with an event.
PSEventArgsCollection	This class contains the collection of events received by the execution context.
PSEventHandler	The generic event handler from which specific event handlers extend. When possible, add functionality to this class instead of the IL generated by the GenerateEventHandler() method.
PSEventJob	A class to give a job-like interface to event actions.
PSEventManager	Represents the interface to the PowerShell eventing functionality. This class allows you to subscribe to, and receive events.
PSEventSubscriber	Represents a subscriber to an event.
PSEventUnsubscribedEventArgs	The event arguments associated with unsubscribing from an event.
PSInvalidCastException	Defines the exception thrown for type conversion errors.
PSInvalidOperationException	This is a wrapper for exception class InvalidOperationException which provides additional information via IContainsErrorRecord.
PSInvocationSettings	Settings to control command invocation.
PSInvocationStateChangedEventArgs	Event arguments passed to PowerShell state change handlers InvocationStateChanged event.
PSInvocationStateInfo	Type which has information about InvocationState and Exception associated with InvocationState.
PSJobStartEventArgs	Arguments for the script job start callback event.
PSListModifier	PSListModifier is a simple helper class created by the update-list cmdlet. The update-list cmdlet will either return an instance of this class, or it will internally use an instance of this class to implement the updates. Cmdlets can also take a PSListModifier as a parameter. Usage might look like: Get-Mailbox | Set-Mailbox -Alias @{Add='jim'} Alias would take a PSListModifier and the Cmdlet code would be responsible for apply updates (possibly using PSListModifier.ApplyTo or else using custom logic).
PSListModifier<T>	A generic version of PSListModifier that exists for the sole purpose of making cmdlets that accept a PSListModifier more usable. Users that look at the syntax of the command will see something like PSListModifier[Mailbox] and know they need to pass in Mailboxes.
PSMemberInfo	Serves as the base class for all members of an PSObject.
PSMemberInfoCollection<T>	Serves as the collection of members in an PSObject or MemberSet.
PSMemberSet	Serves as a set of members.
PSMethod	Used to access the adapted or base methods from the BaseObject.
PSMethodInfo	Serves as a base class for all members that behave like methods.
PSModuleInfo	Class describing a PowerShell module...
PSNoteProperty	Serves as a property that is a simple name-value pair.
PSNotImplementedException	This is a wrapper for exception class NotImplementedException which provides additional information via IContainsErrorRecord.
PSNotSupportedException	This is a wrapper for exception class NotSupportedException which provides additional information via IContainsErrorRecord.
PSObject	Wraps an object providing alternate views of the available members and ways to extend them. Members can be methods, properties, parameterized properties, etc.
PSObjectDisposedException	This is a wrapper for exception class ObjectDisposedException which provides additional information via IContainsErrorRecord.
PSObjectPropertyDescriptor	Serves as the property information generated by the GetProperties method of PSObjectTypeDescriptor.
PSObjectTypeDescriptionProvider	Retrieves a PSObjectTypeDescriptor to provides information about the properties for an object of the type PSObject.
PSObjectTypeDescriptor	Provides information about the properties for an object of the type PSObject.
PSParameterizedProperty	Used to access parameterized properties from the BaseObject.
PSParseError	This is a class that represents a syntax error from parsing.
PSParser	PSParser class.
PSPrimitiveDictionary	PSPrimitiveDictionary is a Hashtable that is limited to 1) case-insensitive strings as keys and 2) values that can be serialized and deserialized during PowerShell remoting handshake (in major-version compatible versions of PowerShell remoting)
PSProperty	Used to access the adapted or base properties from the BaseObject.
PSPropertyAdapter	User-defined property adapter.
PSPropertyInfo	Serves as a base class for all members that behave like properties.
PSPropertySet	Serves as a list of property names.
PSReference	Define type for a reference object in PowerShell scripting language.
PSScriptMethod	Serves as a method implemented with a script.
PSScriptProperty	Serves as a property implemented with getter and setter scripts.
PSSecurityException	This is a wrapper for exception class SecurityException.
PSSerializer	This class provides public functionality for serializing a PSObject.
PSSessionTypeOption	This is the base class from which other classes should derive. This class defines the options for the specified configuration type.
PSSnapInInfo	Contains information about a PSSnapin.
PSSnapInSpecification	Defines the name and version tuple of a PSSnapin.
PSStyle	Contains configuration for how PowerShell renders text.
PSStyle.BackgroundColor	Contains background colors.
PSStyle.FileInfoFormatting	Contains formatting styles for FileInfo objects.
PSStyle.FileInfoFormatting.FileExtensionDictionary	Custom dictionary handling validation of extension and content.
PSStyle.ForegroundColor	Contains foreground colors.
PSStyle.FormattingData	Contains formatting styles for steams and objects.
PSStyle.ProgressConfiguration	Contains configuration for the progress bar visualization.
PSToken	This is public class for representing a powershell token.
PSTraceSource	An PSTraceSource is a representation of a System.Diagnostics.TraceSource instance that is used in the PowerShell components to produce trace output.
PSTransactionContext	We don't need PSTransaction related types on CSS because System.Transactions namespace is not available in CoreCLR.
PSTransportOption	This the abstract class that defines the options for underlying transport layer.
PSTypeConverter	Defines a base class implemented when you need to customize the type conversion for a target class.
PSTypeName	Represents Type, but can be used where a real type might not be available, in which case the name of the type can be used.
PSTypeNameAttribute	Specifies PSTypeName of a cmdlet or function parameter.
PSVariable	Represents a variable in the PowerShell language.
PSVariableIntrinsics	Exposes the APIs to manipulate variables in the Runspace.
PSVariableProperty	Serves as a property that is a simple name-value pair.
PSVersionHashTable	Represents an implementation of '$PSVersionTable' variable. The implementation contains ordered 'Keys' and 'GetEnumerator' to get user-friendly output.
PSVersionInfo	Encapsulates $PSVersionTable. Provides a simple interface to retrieve details from the PowerShell version table: PSVersionInfo.PSVersion; The above statement retrieves the PowerShell version. PSVersionInfo.PSEdition; The above statement retrieves the PowerShell edition.
ReadOnlyPSMemberInfoCollection<T>	Serves as a read only collection of members.
RedirectedException	Indicates that a success object was written and success-to-error ("1>&2") has been specified.
RegisterArgumentCompleterCommand
RemoteCommandInfo	A CommandInfo that has been serialized/deserialized as part of an InvocationInfo during a remote invocation.
RemoteException	Exception used to wrap the error coming from remote instance of PowerShell.
Repository<T>	Class which has list of job objects currently active in the system.
RunspacePoolStateInfo	Defines type which has information about RunspacePoolState and exception associated with that state.
RunspaceRepository	Repository of remote runspaces available in a local runspace.
RuntimeDefinedParameter	Represents a parameter declaration that can be constructed at runtime.
RuntimeDefinedParameterDictionary	Represents a collection of runtime-defined parameters that are keyed based on the name of the parameter.
RuntimeException	RuntimeException is the base class for exceptions likely to occur while a PowerShell command is running.
ScriptBlock	An object representing a pre-compiled block of powershell script.
ScriptBlockToPowerShellNotSupportedException	Defines the exception thrown when conversion from ScriptBlock to PowerShell is forbidden (i.e. when the script block has undeclared variables or more than one statement)
ScriptCallDepthException	ScriptCallDepthException occurs when the number of session state objects of this type in this scope exceeds the configured maximum.
ScriptInfo	The command information for scripts that are directly executable by PowerShell.
ScriptRequiresException	Defines the exception thrown when a script's requirements to run specified by the #requires statements are not met.
SecurityDescriptorCmdletProviderIntrinsics	Provides the *-SecurityDescriptor noun for the cmdlet providers.
SemanticVersion	An implementation of semantic versioning (https://semver.org) that can be converted to/from Version. When converting to Version, a PSNoteProperty is added to the instance to store the semantic version label so that it can be recovered when creating a new SemanticVersion.
SessionState	Exposes the APIs to manipulate the providers, Runspace data, and location to the Cmdlet base class.
SessionStateException	SessionStateException represents an error working with session state objects: variables, aliases, functions, filters, drives, or providers.
SessionStateUnauthorizedAccessException	SessionStateUnauthorizedAccessException occurs when a change to a session state object cannot be completed because the object is read-only or constant, or because an object which is declared constant cannot be removed or made non-constant.
SettingValueExceptionEventArgs	Serves as the arguments for events triggered by exceptions in the SetValue method of PSObjectPropertyDescriptor
SetValueException	Defines the exception thrown for errors setting the value of properties.
SetValueInvocationException	Defines the exception thrown for exceptions thrown by property setters.
Signature	Represents a digital signature on a signed file.
StartRunspaceDebugProcessingEventArgs	StartRunspaceDebugProcessing event arguments.
SteppablePipeline	A steppable pipeline wrapper object...
SupportsWildcardsAttribute	Specifies that a parameter supports wildcards.
TableControl	Defines a table control.
TableControlBuilder	A helper class for defining table controls
TableControlColumn	Defines a particular column within a row in a table control.
TableControlColumnHeader	Defines the header for a particular column in a table control.
TableControlRow	Defines a single row in a table control.
TableRowDefinitionBuilder	A helper class for defining table controls
TerminateException	Used by the debugger to terminate the execution of the current command.
ValidateArgumentsAttribute	Serves as the base class for Validate attributes that validate parameter arguments.
ValidateCountAttribute	Validates that the parameter argument count is in the specified range.
ValidateDriveAttribute	Validates that the path has an approved root drive.
ValidateEnumeratedArgumentsAttribute	A variant of ValidateArgumentsAttribute which unrolls enumeration values and validates each element individually.
ValidateLengthAttribute	Validates that the length of each parameter argument's Length falls in the range specified by MinLength and MaxLength.
ValidateNotNullAttribute	Validates that the parameters's argument is not null.
ValidateNotNullOrAttributeBase	Validates that the parameters's argument is not null, is not an empty string or a string with white-space characters only, and is not an empty collection.
ValidateNotNullOrEmptyAttribute	Validates that the parameters's argument is not null, is not an empty string, and is not an empty collection. If argument is a collection, each argument is verified.
ValidateNotNullOrWhiteSpaceAttribute	Validates that the parameters's argument is not null, is not an empty string, is not a string that consists only of white-space characters, and is not an empty collection. If argument is a collection, each argument is verified.
ValidatePatternAttribute	Validates that each parameter argument matches the RegexPattern.
ValidateRangeAttribute	Validates that each parameter argument falls in the range specified by MinRange and MaxRange.
ValidateScriptAttribute	Class for validating against a script block.
ValidateSetAttribute	Validates that each parameter argument is present in a specified set.
ValidateTrustedDataAttribute	Validates that each parameter argument is Trusted data.
ValidateUserDriveAttribute	Validates that the path parameter is a User drive.
ValidationMetadataException	Defines the exception thrown for all Validate attributes.
VariableBreakpoint	A breakpoint on a variable.
VariablePath	A variable path that you can query the scope and drive of the variable reference.
VerbInfo	Provides information about a verb used to name commands defined in PowerShell.
VerboseRecord	A verbose record in the PSInformationalBuffers.
VerbsCommon	Verbs that are commonly used in cmdlet names.
VerbsCommunications	Verbs that are commonly used in cmdlet names when the cmdlet is used to communicate with something.
VerbsData	Verbs that are commonly used in cmdlet names when the cmdlet manipulates data.
VerbsDiagnostic	Verbs that are commonly used in cmdlet names when the cmdlet is used to diagnose the health of something.
VerbsLifecycle	Verbs that are commonly used in cmdlet names when the cmdlet manipulates the lifecycle of something.
VerbsOther	Canonical verbs that don't fit into any of the other categories.
VerbsSecurity	Verbs that are commonly used in cmdlet names when the cmdlet is used to secure a resource.
VTUtility	Class to help with VT escape sequences.
WarningRecord	A warning record in the PSInformationalBuffers.
WideControl	Defines a list control.
WideControlBuilder
WideControlEntryItem	Defines one item in a wide control entry.
WildcardPattern	Represents a wildcard pattern.
WildcardPatternException	Thrown when a wildcard pattern is invalid.

Structs

SwitchParameter

Type used to define a parameter on a cmdlet script of function that can only be used as a switch.

Interfaces

IArgumentCompleter	A type specified by the ArgumentCompleterAttribute must implement this interface.
IArgumentCompleterFactory	Creates a new argument completer.
ICommandRuntime	This interface defines the set of functionality that must be implemented to directly execute an instance of a Cmdlet.
ICommandRuntime2	This interface defines the set of functionality that must be implemented to directly execute an instance of a Cmdlet. ICommandRuntime2 extends the ICommandRuntime interface by adding support for the informational data stream.
IContainsErrorRecord	Implemented by exception classes which contain additional ErrorRecord information.
IDynamicParameters	An interface that a Cmdlet or CmdletProvider must implement to indicate that it has dynamic parameters.
IJobDebugger	Interface to expose a job debugger.
IModuleAssemblyCleanup	Used by modules to provide a hook to the engine for cleanup on removal w.r.t. compiled assembly being removed.
IModuleAssemblyInitializer	Used by Modules/Snapins to provide a hook to the engine for startup initialization w.r.t compiled assembly loading.
IResourceSupplier	Objects implementing this interface can be used by ErrorDetails(IResourceSupplier, String, String, Object[])
IValidateSetValuesGenerator	Allows dynamically generate set of values for ValidateSetAttribute

Enums

ActionPreference	Defines the Action Preference options. These options determine what will happen when a particular type of event occurs. For example, setting shell variable ErrorActionPreference to "Stop" will cause the command to stop when an otherwise non-terminating error occurs.
Alignment	Specifies possible alignment enumerations for display cells.
BreakpointUpdateType	Kinds of breakpoint updates.
CatalogValidationStatus	Defines the possible status when validating integrity of catalog
CommandOrigin	This enum defines the dispatch origin of a command.
CommandTypes	Defines the types of commands that PowerShell can execute.
CompletionResultType	Possible types of CompletionResults.
ConfirmImpact	Defines the ConfirmImpact levels. These levels describe the "destructiveness" of an action, and thus the degree of important that the user confirm the action. For example, setting the read-only flag on a file might be Low, and reformatting a disk might be High. These levels are also used in $ConfirmPreference to describe which operations should be confirmed. Operations with ConfirmImpact equal to or greater than $ConfirmPreference are confirmed. Operations with ConfirmImpact.None are never confirmed, and no operations are confirmed when $ConfirmPreference is ConfirmImpact.None (except when explicitly requested with -Confirm).
CopyContainers	Determines how the source container of a copy operation will be used.
DebuggerResumeAction	Possible actions for the debugger after hitting a breakpoint/step.
DebugModes	Defines debugging mode.
DisplayEntryValueType	Specifies the type of entry value.
DSCResourceRunAsCredential	To specify RunAs behavior for the class ///
ErrorCategory	Errors reported by PowerShell will be in one of these categories.
ErrorView	Defines the potential ErrorView options.
ExperimentAction	Indicates the action to take on the cmdlet/parameter that has the attribute declared.
ImplementedAsType	Enumerated values for DSC resource implementation type.
JobState	Enumeration for job status values. Indicates the status of the result object.
JobThreadOptions	Specifies the various thread options that can be used for the ThreadBasedJob.
ModuleAccessMode	Defines the possible access modes for a module...
ModuleIntrinsics.PSModulePathScope	The available module path scopes.
ModuleType	Indicates the type of a module.
NativeArgumentPassingStyle	Defines the different native command argument parsing options.
OutputRendering	Defines the options for output rendering.
PowerShellStreamType	Enumeration of the possible PowerShell stream types. This enumeration is obsolete.
ProgressRecordType	Defines two types of progress record that refer to the beginning (or middle) and end of an operation.
ProgressView	Defines the options for views of progress rendering.
PSCredentialTypes	Defines the valid types of PSCredentials. Used by PromptForCredential calls.
PSCredentialUIOptions	Defines the options available when prompting for credentials. Used by PromptForCredential calls.
PSInvocationState	Enumerated type defining the state of the PowerShell.
PSLanguageMode	This enum defines what subset of the PowerShell language is permitted when calling into this execution environment.
PSMemberTypes	Enumerates all possible types of members.
PSMemberViewTypes	Enumerator for all possible views available on a PSObject.
PSModuleAutoLoadingPreference	Defines the preference options for the Module Auto-loading feature.
PSTokenType	PowerShell token types.
PSTraceSourceOptions	These flags enable tracing based on the types of a tracing supplied. Each type of tracing will allow for one or more methods in the StructuredTraceSource class to become "enabled".
RemoteStreamOptions	These flags control whether InvocationInfo is added to items in the Error, Warning, Verbose and Debug streams during remote calls.
RemotingBehavior	Controls or overrides the remoting behavior, during invocation, of a command that supports ambient remoting.
RemotingCapability	Defines the various types of remoting behaviour that a cmdlet may desire when used in a context that supports ambient / automatic remoting.
ResolutionPurpose	Defines the purpose for resolution of a CmsMessageRecipient.
ReturnContainers	This enum determines which types of containers are returned from some of the provider methods.
RollbackSeverity	The severity of error that causes PowerShell to automatically rollback the transaction.
RunspaceMode	Enumerated type defining runspace modes for nested pipeline.
ScopedItemOptions	The options that define some of the constraints for session state items like variables, aliases, and functions.
SessionCapabilities	Defines session capabilities provided by a PowerShell session.
SessionStateCategory	Categories of session state objects, used by SessionStateException.
SessionStateEntryVisibility	This enum defines the visibility of execution environment elements...
ShouldProcessReason	This describes the reason why ShouldProcess returned what it returned. Not all possible reasons are covered.
SignatureStatus	Defines the valid status flags that a signature on a file may have.
SignatureType	Defines the valid types of signatures.
SigningOption	Defines the options that control what data is embedded in the signature blob.
SplitOptions	A enum corresponding to the options on the -split operator.
TypeInferenceRuntimePermissions	Enum describing permissions to use runtime evaluation during type inference.
ValidateRangeKind	Predefined range kind to use with ValidateRangeAttribute.
VariableAccessMode	The access type for variable breakpoints to break on.
VTUtility.VT	Available VT escape codes other than colors.
WhereOperatorSelectionMode	Controls the matching behaviour of the Where() operator.
WildcardOptions	Provides enumerated values to use to set wildcard pattern matching options.

Delegates

GetSymmetricEncryptionKey	Declare a delegate which returns the encryption key and initialization vector for symmetric encryption algorithm.
MemberNamePredicate	A Predicate that determine if a member name matches a criterion.
PSEventReceivedEventHandler	The delegate that handles notifications of new events added to the collection.
PSEventUnsubscribedEventHandler	The delegate that handles notifications of the event being unsubscribed.