DosSavRedrawUndo

This will allow some code that originally called DosSavRedrawWait to stop save/restore operation, and/or kill the save/restore thread.

Syntax
DOSSAVREDRAWUNDO(short viohdl,short kill, short flag)

Parameters

 * viohdl (short): VIO Handle of the screen group
 * kill (short)
 * 0 send an error code to save/restore thread
 * 1 terminate the save/restore thread


 * flag (short)
 * 0 remain owner of the save/restore thread
 * 1 give up save/restore thread

Return Code
APIRET16 Pascal far