public UserdefSayHelloCmd(SayHelloUserdefCmdViewModel owner) { _owner = owner; _owner.PropertyChanged += (sender, evtargs) => { if (CanExecuteChanged != null && evtargs.PropertyName.Equals("Counter")) { // tell WPF to re-evaluate the "CanExecute" property CanExecuteChanged(this, EventArgs.Empty); } }; }
public UserdefIncrementCmd(SayHelloUserdefCmdViewModel owner) { _owner = owner; }