Ignored.
Although this event is sent at the end of the drawing process, the virtual screen buffer is not
yet "flushed". Meaning that if a plugin wants to draw something ontop the dialog, the changes might
be erased from the screen when returning from the dialog callback function.
To prevent this, you must force the virtual screen buffer to be flushed using the
Text(0,0,0,NULL) function, and only the "draw" your changes.
For example:
case DN_DRAWDIALOGDONE:
Info.Text(0,0,0,NULL);
// draw ours here
break;