Windows 3.1 Device Drivers (ddag31qh.hlp) (Table of Contents; Topic list)
UpdateScreen
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WORD UpdateScreen(lpPntStruc)
LPEXTPAINTSTRUC lpPntStruc;
 
The UpdateScreen function updates changed portions of the screen. When a
non-Windows application  modifies the display on its own, UpdateScreen is
called.
 
Parameter   Description
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lpPntStruc  Points to an EXTPAINTSTRUC structure.
 
Return Value
 
The return value is 1 if the function paints the screen, unless the FGRBPROB
bit is set in EPStatusFlags member. The return value is zero if the function
cannot paint the screen, such as when Windows does not have enough memory to
carry out the request.
 
Comments
 
The export ordinal for this function is 12.
 
See Also
 
EXTPAINTSTRUC