// d3dkmthk.h

BOOLEAN D3DKMTCheckExclusiveOwnership();
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Windows Driver Kit DDI reference (nf-d3dkmthk-d3dkmtcheckexclusiveownership)

D3DKMTCheckExclusiveOwnership function

Description

The D3DKMTCheckExclusiveOwnership function checks whether any kernel device object in the operating system has an exclusive level of ownership of any video present sources.

Return value

D3DKMTCheckExclusiveOwnership returns a Boolean value that indicates TRUE if any kernel device object in the operating system has an exclusive level of ownership of any video present sources and FALSE otherwise.

Remarks

For a description of ownership levels of video present sources, see the D3DKMTSetVidPnSourceOwner function and the D3DKMT_SETVIDPNSOURCEOWNER structure. An exclusive level of ownership is represented by the D3DKMT_VIDPNSOURCEOWNER_EXCLUSIVE or D3DKMT_VIDPNSOURCEOWNER_EXCLUSIVEGDI owner type, which can be specified in one of the elements in the array that the pType member of D3DKMT_SETVIDPNSOURCEOWNER specifies.