How can a Hook DLL pass data to the Process sets it .

Keanu L

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6 Feb 2013CPOL

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for example Process A(MFC Process),uses loadlibrary to load a dll and install a global hook(the hook procedure is in the dll).I want this dll to pass any information to the Process A, So I used SendMessage in the hook procedure to send WM_COPYDATA to Process A,but it didnt work.The Process...

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1. How can a Hook DLL pass data to the Process sets it .

6 Feb 2013Keanu L

I have maked a mistake. i set the COPYDATASTRUCT wrong value....the cbData in the COPYDATASTRUCT must be set the size of the data the lpData point to.

MFC

Win32

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Keanu L

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How can a Hook DLL pass data to the Process sets it .

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