ICommandHandler<T> Interface

Definition

Namespace:

Microsoft.VisualStudio.Commanding

Assembly:

Microsoft.VisualStudio.Text.UI.dll

Package:

Microsoft.VisualStudio.Text.UI v17.9.187

Represents a handler for a command associated with specific CommandArgs.

generic <typename T>
 where T : CommandArgspublic interface class ICommandHandler : Microsoft::VisualStudio::Commanding::ICommandHandler, Microsoft::VisualStudio::Utilities::INamed

public interface ICommandHandler<T> : Microsoft.VisualStudio.Commanding.ICommandHandler, Microsoft.VisualStudio.Utilities.INamed where T : CommandArgs

type ICommandHandler<'T (requires 'T :> CommandArgs)> = interface
    interface ICommandHandler
    interface INamed

Public Interface ICommandHandler(Of T)
Implements ICommandHandler, INamed

Type Parameters

T

Implements

ICommandHandler INamed

Examples

[Export(typeof(ICommandHandler))]
[Name(nameof(MyCommandHandler))]
[ContentType("text")]
[Order(Before ="OtherCommandHandler")]   
[TextViewRole(PredefinedTextViewRoles.Editable)]
internal class MyCommandHandler : ICommandHandler<MyCommandArgs>

Remarks

This is a MEF component part and should be exported as the non-generic ICommandHandler with required [Name], [ContentType] attributes and optional [Order] and [TextViewRole] attributes.

Properties

DisplayName

Gets display name of an instance used to represent it to the user, for example when blaming it for delays. (Inherited from INamed)

Methods

ExecuteCommand(T, CommandExecutionContext)	Called to execute the command.
GetCommandState(T)	Called to determine the state of the command.

Extension Methods

ExecuteCommand<T>(ICommandHandler, T, Action, CommandExecutionContext)	Called to execute the command.
GetCommandState<T>(ICommandHandler, T, Func<CommandState>)	Called to determine the state of the command.