Xceed.Wpf.Toolkit.ChildWindow.ExecuteClose C# (CSharp) Method

    private void ExecuteClose()
    {
      CancelEventArgs e = new CancelEventArgs();
      OnClosing( e );

      if( !e.Cancel )
      {
        if( !_dialogResult.HasValue )
          _dialogResult = false;

        OnClosed( EventArgs.Empty );
      }
      else
      {
        CancelClose();
      }
    }