void TableView_ProcessEditorActivationAction(object sender, DevExpress.Xpf.Grid.ProcessEditorActivationActionEventArgs e)
 {
     if (e.Column.FieldName == "City" && (e.ActivationAction == ActivationAction.MouseLeftButtonDown && e.MouseLeftButtonEventArgs.LeftButton == System.Windows.Input.MouseButtonState.Pressed))
     {
         e.RaiseEventAgain = true;
     }
 }
 private void view_ProcessEditorActivationAction(object sender, DevExpress.Xpf.Grid.ProcessEditorActivationActionEventArgs e)
 {
     if (e.Column.FieldName == "RtfContent")
     {
         if (e.ActivationAction == ActivationAction.MouseLeftButtonDown)
         {
             e.RaiseEventAgain = true;
         }
     }
 }