StdMethod(HRESULT, "SetPrivateData", [(REFGUID, "refguid"), (OpaqueBlob(Const(Void), "SizeOfData"), "pData"), (DWORD, "SizeOfData"), (D3DSPD, "Flags")], sideeffects=False),
StdMethod(HRESULT, "GetPrivateData", [(REFGUID, "refguid"), Out(OpaqueBlob(Void, "*pSizeOfData"), "pData"), Out(Pointer(DWORD), "pSizeOfData")], sideeffects=False),
StdMethod(HRESULT, "FreePrivateData", [(REFGUID, "refguid")], sideeffects=False),
StdMethod(HRESULT, "SetPrivateData", [(REFGUID, "refguid"), (OpaqueBlob(Const(Void), "SizeOfData"), "pData"), (DWORD, "SizeOfData"), (D3DSPD, "Flags")], sideeffects=False),
StdMethod(HRESULT, "GetPrivateData", [(REFGUID, "refguid"), Out(OpaqueBlob(Void, "*pSizeOfData"), "pData"), Out(Pointer(DWORD), "pSizeOfData")], sideeffects=False),
StdMethod(HRESULT, "FreePrivateData", [(REFGUID, "refguid")], sideeffects=False),