Defines the method that determines whether the command can execute in its current state.
- Type: System.Object
Data used by the command. If the command does not require data to be passed, this object can be set to null.
Type: System.Booleantrue if this command can be executed; otherwise, false.
Typically, a command source calls the CanExecute method when the CanExecuteChanged event is raised.
Supported in: 4.6, 4.5, 4, 3.5, 3.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1
Portable Class Library
Supported in: Portable Class Library
Supported in: Windows Phone 8.1
Supported in: Windows Phone Silverlight 8.1
Supported in: Windows Phone Silverlight 8