Function pythoncom_CoMarshalInterface

com/win32com/src/PythonCOM.cpp:1201–1236

@pymethod |pythoncom|CoMarshalInterface|Marshals an interface into a stream

// @pymethod |pythoncom|CoMarshalInterface|Marshals an interface into a stream
static PyObject *pythoncom_CoMarshalInterface(PyObject *self, PyObject*args)
{
	PyObject *obriid, *obIStream, *obUnk, *ret=NULL;
	IID riid;
	IStream *pIStream=NULL;
	IUnknown *pIUnknown=NULL;
	void *pvdestctxt=NULL;	// reserved
	DWORD destctxt, flags=MSHLFLAGS_NORMAL;
	if ( !PyArg_ParseTuple(args, "OOOk|k:CoMarshalInterface",
		&obIStream,		// @pyparm <o PyIStream>|Stm||An IStream interface into which marshalled interface will be written
		&obriid,		// @pyparm <o PyIID>|riid||IID of interface to be marshalled
		&obUnk,			// @pyparm <o PyIUnknown>|Unk||Base IUnknown of the object to be marshalled
		&destctxt,		// @pyparm int|DestContext||MSHCTX_* flag indicating where object will be unmarshalled
		&flags))		// @pyparm int|flags|MSHLFLAGS_NORMAL|MSHLFLAGS_* flag indicating marshalling options
       return NULL;
	if (PyWinObject_AsIID(obriid, &riid)
		&&PyCom_InterfaceFromPyObject(obIStream, IID_IStream, (void **)&pIStream, FALSE)
		&&PyCom_InterfaceFromPyObject(obUnk, IID_IUnknown, (void **)&pIUnknown, FALSE)){
		PY_INTERFACE_PRECALL;
		HRESULT hr = CoMarshalInterface(pIStream, riid, pIUnknown, destctxt, pvdestctxt, flags);
		PY_INTERFACE_POSTCALL;
		if (FAILED(hr))
			PyCom_BuildPyException(hr);
		else{
			Py_INCREF(Py_None);
			ret=Py_None;
			}
		}
	PY_INTERFACE_PRECALL;
	if (pIUnknown)
		pIUnknown->Release();
	if (pIStream)
		pIStream->Release();
	PY_INTERFACE_POSTCALL;
	return ret;
}

// @pymethod interface|pythoncom|CoUnmarshalInterface|Unmarshals an interface
static PyObject *pythoncom_CoUnmarshalInterface(PyObject *self, PyObject*args)