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The WaitForVerticalBlankcallback function helps the application synchronize itself with the vertical blanking interval (VBI).
DWORD __stdcall WaitForVerticalBlank( LPDDHAL_WAITFORVERTICALBLANKDATA pwfvbd );
Parameters
- pwfvbd
- Pointer to a
DDHAL_WAITFORVERTICALBLANKDATAstructure that contains the
vertical blank information.
Return Values
Returns one of the following values:
- DDHAL_DRIVER_HANDLED
- DDHAL_DRIVER_NOTHANDLED
Remarks
An example implementation of this callback function ( WaitForVerticalBlank32) can be found in the IGS sample driver source code.
Last updated on Tuesday, July 13, 2004