Defines the method that determines whether the command can execute in its current state.Namespace: Microsoft.Practices.Composite.Presentation.Commands
Assembly: Microsoft.Practices.Composite.Presentation (in Microsoft.Practices.Composite.Presentation.dll)
- Type: T
Data used by the command. If the command does not require data to be passed, this object can be set to nullptra null reference (Nothing in Visual Basic).
Return Valuetruetrue (True in Visual Basic) if this command can be executed; otherwise, falsefalse (False in Visual Basic).