ICommand.CanExecuteChanged Event
Definition
Important
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Occurs when changes occur that affect whether or not the command should execute.
public:
event EventHandler ^ CanExecuteChanged;event EventHandler CanExecuteChanged;event EventHandler? CanExecuteChanged;member this.CanExecuteChanged : EventHandler Event CanExecuteChanged As EventHandler Event Type
Remarks
Normally, a command source calls CanExecute on the command when this event occurs.
Normally, if the command cannot execute, the command source disables itself.