testPyComTest.py 文件源码

def TestVTableMI():
    clsctx = pythoncom.CLSCTX_SERVER
    ob = pythoncom.CoCreateInstance("Python.Test.PyCOMTestMI", None, clsctx, pythoncom.IID_IUnknown)
    # This inherits from IStream.
    ob.QueryInterface(pythoncom.IID_IStream)
    # This implements IStorage, specifying the IID as a string
    ob.QueryInterface(pythoncom.IID_IStorage)
    # IDispatch should always work
    ob.QueryInterface(pythoncom.IID_IDispatch)

    iid = pythoncom.InterfaceNames["IPyCOMTest"]
    try:
        ob.QueryInterface(iid)
    except TypeError:
        # Python can't actually _use_ this interface yet, so this is
        # "expected".  Any COM error is not.
        pass