DWORD (APIENTRY *PDD_SURFCB_BLT)(
PDD_BLTDATA lpBlt
);
Blt performs a bit-block transfer.
Parameters
lpBlt
Pointer to the DD_BLTDATA structure that contains the information required for the driver to perform the blt.
Return Value
Blt returns a DDHAL_DRIVER_Xxx callback code that indicates how the driver handled the call. These return codes are defined in ddrawint.h.