IPhotoAcquireProgressCB::Cancelled method (photoacquire.h)
Cancelled method provides extended functionality when a cancellation occurs during an acquisition session. The application provides the implementation of the
HRESULT Cancelled( [out] BOOL *pfCancelled );
Pointer to a flag that, when set to TRUE, indicates that the operation was canceled.
The method returns an HRESULT. Your implementation is not limited to the following return values. Any failing HRESULT other than E_NOTIMPL is fatal and will cause the transfer to abort.
||The method succeeded.|
||The method is not implemented.|