QuickWin Function: Returns the unit number corresponding to the specified Windows handle.
Module: USE DFLIB
Syntax
Results:
The result is of type INTEGER(4). The result is the unit number corresponding to the specified Windows handle. It returns -1 if whandle does not exist.
This routine is the inverse of GETHWNDQQ.
Compatibility
QUICKWIN GRAPHICS LIB
See Also: GETHWNDQQ, Using QuickWin