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The GetSystemBltStatuscallback function queries the status of an asynchronous DMA operation.
DWORD __stdcall GetSysmemBltStatus( LPDDHAL_GETBLTSTATUSDATA pgbsd );
Parameters
- pgbsd
- Pointer to a
DDHAL_GETBLTSTATUSDATAstructure that returns the blit status
information.
Return Values
Returns one of the following values:
- DDHAL_DRIVER_HANDLED
- DDHAL_DRIVER_NOTHANDLED
Remarks
The prototype for this callback is identical to that of GetBltStatus. It is entirely legal for drivers to implement one routine and point both the GetSysmemBltStatusand the GetBltStatuscallbacks at the same routine.
Last updated on Tuesday, July 13, 2004