DDEnumCallback

The DDEnumCallback function is an application-defined callback function for the DirectDrawEnumerate function.

BOOL WINAPI DDEnumCallback(
  GUID FAR *lpGUID,           
  LPSTR  lpDriverDescription, 
  LPSTR  lpDriverName,        
  LPVOID lpContext            
);
 

Parameters

lpGUID

Address of the unique identifier of the DirectDraw object.

lpDriverDescription

Address of a string containing the driver description.

lpDriverName

Address of a string containing the driver name.

lpContext

Address of an application-defined structure that will be passed to the callback function each time the function is called.

Return Values

The callback function returns non-zero to continue the enumeration.

The callback function returns zero to stop it.

Remarks

You can use the LPDDENUMCALLBACK data type to declare a variable that can contain a pointer to this callback function.

If UNICODE is defined, the string values will be returned as type LPWSTR rather than LPSTR.

QuickInfo

  Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in ddraw.h.
  Import Library: User-defined.