[WPF] CommandParameter 로 자신 값 보내기 (self Binding)

xaml

<CheckBox       Command="{Binding SelfTestCommand}"       CommandParameter="{Binding RelativeSource={RelativeSource self}, Path=IsChecked}"/>

cs

private DelegateCommand<bool?> selfTestCommand;         /// <summary>         /// SelfTest Command         /// </summary>         public ICommand SelfTestCommand         {             get             {                 if (this.selfTestCommand== null)                 {                     this.selfTestCommand= new DelegateCommand<bool?>((param) => OnSelfTestCommand(param));                 }                 return this.selfTestCommand;             }         }         private void OnFalseCallCommand(bool? isChecked)         {         }