// clears wxTheClipboard and the system's clipboard if possible
virtual void Clear() = 0;
// flushes the clipboard: this means that the data which is currently on
// clipboard will stay available even after the application exits (possibly
// eating memory), otherwise the clipboard will be emptied on exit
// clears wxTheClipboard and the system's clipboard if possible
virtual void Clear() = 0;
// flushes the clipboard: this means that the data which is currently on
// clipboard will stay available even after the application exits (possibly
// eating memory), otherwise the clipboard will be emptied on exit