ICommandHandler Interface
Definition
Important
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This interface marks a class that implements at least one strongly-typed ICommandHandler<T> or IChainedCommandHandler<T>.
public interface class ICommandHandlerpublic interface ICommandHandlertype ICommandHandler = interfacePublic Interface ICommandHandler- Derived
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.
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. |