DD_DXAPI_GETVERSIONNUMBER control code
A video capture driver passes DD_DXAPI_GETVERSIONNUMBER in the dwFunctionNum parameter of the DxApi function to return the version of the kernel-mode video transport (dxapi.sys) that is supported by the video miniport driver's DxApi interface.
Input Parameters
- lpvInBuffer
Is NULL.
Output Parameters
- lpvOutBuffer
Pointer to a DDGETVERSIONNUMBER structure that contains the version number of the kernel-mode video transport component of DirectDraw.
Remarks
This function identifier can only be called at PASSIVE_LEVEL.
Requirements
Header |
Ddkmapi.h (include Ddkmapi.h) |
See also
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