win32com调用ATL编写的COM组件

import "oaidl.idl";
import "ocidl.idl";

[
object,
uuid(B325C169-61FA-4513-9DB1-0CC231CCB633),
dual,
nonextensible,
helpstring("IComTestClass Interface"),
pointer_default(unique)
]
interface IComTestClass : IDispatch{
[id(1), helpstring("method Method1")] HRESULT Method1(LONG arg1);
};
[
uuid(9098C7D5-91BA-4C0C-837B-DB81C3DBA6AE),
version(1.0),
helpstring("ComTest 1.0 Type Library")
]
library ComTestLib
{
importlib("stdole2.tlb");
[
uuid(F41DAE07-8D10-430B-8834-06BB4B9AE8A2),
helpstring("_IComTestClassEvents Interface")
]
dispinterface _IComTestClassEvents
{
properties:
methods:
[id(1), helpstring("method Event1")] HRESULT Event1(LONG arg1);
};
[
uuid(2961361E-8E6D-4618-95A8-4DF03B65BDC3),
helpstring("ComTestClass Class")
]
coclass ComTestClass
{
[default] interface IComTestClass;
[default, source] dispinterface _IComTestClassEvents;
};
};

STDMETHODIMP CComTestClass::Method1(LONG arg1)
{
// TODO: Add your implementation code here
Fire_Event1(arg1);
return S_OK;
}

import win32com.client

class EventHandler:
def OnEvent1(self, val):
print(val)

o = win32com.client.DispatchWithEvents("ComTest.ComTestClass", EventHandler)
o.Method1(23)