How to implement real-time communication between Unmanaged C++ dll and C# dll?

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Recently, I develop a .Net Add-Ins application, this add-ins is loaded into VS2010 after VS2010 start.

when I open a C++ project with VS2010, i need to debug this C++ project. however, this c++ project will call a Unmanaged C++ dll file. I want to implement to monitor a variable values of the C++ dll using Add-Ins. that is to say, when the variable values change, the Add-Ins will monitor this change and respond changes. I want to implement this function with Events machanism, but I really meet trouble in this matter. pls give me some advices about this question. thanks!

Posted 18-Feb-14 22:26pm

buick_123

Updated 18-Feb-14 23:03pm

Richard MacCutchan

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Richard MacCutchan 19-Feb-14 5:04am

You can add watch points in the debugger.

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Solution 2

KastenK,Thanks for your solution for my question. and I have resolved the problem based on your ideas, it can work. thanks again.

Posted 12-Mar-14 17:04pm

buick_123

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KarstenK · Accepted Answer · 2014-02-18T23:12:00

Eventhandler are fine. But you need to fire native data types and work with the right interfaces.

Here is a sample on the C# side:
Events and event handling in C#[^]

and here how to consume dlls:
Window Hiding with C#[^]

I have a project in which I do this stuff and it works fine for years.