+ /* open the clipboard before SetData() and GetData() */
+ virtual bool Open();
+
+ /* close the clipboard after SetData() and GetData() */
+ virtual void Close();
+
+ /* set the clipboard data. all other formats will be deleted. */
+ virtual bool SetData( wxDataObject *data );
+
+ /* add to the clipboard data. */
+ virtual bool AddData( wxDataObject *data );