mapiex.py 文件源码

def CoCreateInstanceC2R (self, store, reg, clsid, iid) :
        # Ugly code to find DLL in C2R version of COM object and get a COM
        # object despite the fact that COM doesn't handle C2R
        try:
            # Get DLL to load from 2R register 
            aReg = winreg.ConnectRegistry(None, store)
            aKey = winreg.OpenKey(aReg, reg, 0, winreg.KEY_READ | winreg.KEY_WOW64_64KEY)
            dummy_n, IconvDLL, dummy_t = winreg.EnumValue(aKey, 0)
            winreg.CloseKey(aKey)
            winreg.CloseKey(aReg)

            # Create OLE object from DLL
            IconvOLE = ctypes.OleDLL(IconvDLL)

            # Get COM Instance from OLE 
            clsid_class = uuid.UUID(str(clsid)).bytes_le
            iclassfactory = uuid.UUID(str(pythoncom.IID_IClassFactory)).bytes_le
            com_classfactory = ctypes.c_long(0)
            IconvOLE.DllGetClassObject(clsid_class, iclassfactory, ctypes.byref(com_classfactory))
            MyFactory = pythoncom.ObjectFromAddress(com_classfactory.value, pythoncom.IID_IClassFactory)
            return MyFactory.CreateInstance (None, str(iid))
        except:
            return None