Interprocess communication from MFC to WPF

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C++

MFC

WPF

IPC

I'm trying to communicate between two application,one is MFc another is WPF.

So far i have taken help from the following two links :


[^]

Interprocess Communication Between .NET and MFC Using WM_COPYDATA[^]

What I have tried:

So far i have managed to send message from wpf to mfc and get back the response.

But i couldn't manage to send messages from mfc to wpf yet.

For the wpf application,when i first send a msg to mfc,im storing the handle

int dotnetHandle = pCopyDataStruct->dwData;
HWND storedHandle = (int *)dotnetHandle;

And later sending the message :

::SendMessage(pFrame->storedHandle, WM_COPYDATA, 0, 0);

But wpf is not receiving any message.