Adding COM methods to an existing COM module results in unhandled exception?

PaulowniaK

Rate me:

0.00/5 (No votes)

23 Jan 2013CPOL

3.9K

I have a COM written in C++ accessed by .NET C# application.The COM was originally written by someone else and has already been launched as a product many years ago.Now, I've had to make alterations to it.I added a few interfaces and this seems to work.I then added a few methods...

Alternatives

Members may post updates or alternatives to this current article in order to show different approaches or add new features.

1. Adding COM methods to an existing COM module results in unhandled exception?

23 Jan 2013chaau

I think what's your missing is idTry to enumerate all your methods in the interface and assigns the ids, something like this:interface IMyInterface: IUnknown{ [id(1), helpstring("method Method1") HRESULT Method1(); [id(2), helpstring("method MethodNewlyAdded") HRESULT...

C++

COM

2. Adding COM methods to an existing COM module results in unhandled exception?