DosScrLock

Legacy Function Warning
It is recommended to use a newer replacement for this function.
Replacement:
Remarks:	This page list the older version of the function for reference.

This allows a process to lock the screen exclusively for itself, until it is DOSSCRUNLOCKed again. Other sessions will be sent into background, if they also request the screen.

Syntax

DOSSCRLOCK(short wait,UCHAR* rc)

Parameters

wait

   =0 return directly
   =1 wait until screen is available 

rc

   =0 lock succeeded
   =1 lock failed 

Return Code

APIRET16 Pascal far