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#define INCL_WINSYS
 
LONG WinQuerySysValue(hwndDesktop, iSysValue)
HWND hwndDesktop;    /* handle of desktop        */
SHORT iSysValue;     /* system value to retrieve */
 
The WinQuerySysValue function retrieves a specified system value.
 
Parameter    Description
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hwndDesktop  Identifies the desktop window. This parameter can be
             HWND_DESKTOP or the desktop window handle.
 
iSysValue    Specifies the system value. For a list of the system values,
             see the ◄System values► topic.
 
Return Value
 
The return value is the system value if the function is successful, or zero
if an error occurs.
 
See Also
 
WinSetSysValue
 
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