protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
 {
     if (UsePortableClipboard &&
         PortableClipboard.ProcessClipboardCmdKeysForDialog(this, msg, keyData))
     {
         return(true);
     }
     return(base.ProcessCmdKey(ref msg, keyData));
 }
 protected override void OnLoad(System.EventArgs e)
 {
     // Note that TextBox.ShortcutsEnabled does nothing in the Mono runtime.  Needing to
     // remove (or fix) the context menu means that this must be done after the dialog
     // has been initialized.
     if (_usePortableClipboard)
     {
         PortableClipboard.RemoveTextboxMenus(this);
     }
     base.OnLoad(e);
 }