IWiaMiniDrv::drvUnInitializeWia method (wiamindr_lh.h)
The IWiaMiniDrv::drvUnInitializeWia method releases resources held by the minidriver.
Syntax
HRESULT drvUnInitializeWia(
BYTE *__MIDL__IWiaMiniDrv0064
);
Parameters
__MIDL__IWiaMiniDrv0064
pWiasContext [in]
Pointer to a WIA item context.
Return value
On success, the method should return S_OK If the method fails, it should return a standard COM error code.
Remarks
The WIA service calls the IWiaMiniDrv::drvUnInitializeWia method when the resources associated with an application item tree are no longer needed. The minidriver can then unload any DLLs and free any allocated memory.
Requirements
Requirement | Value |
---|---|
Target Platform | Desktop |
Header | wiamindr_lh.h (include Wiamindr.h) |