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Editorial Team
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Asked: 2026-06-05T15:52:51+00:00

I’m rather new to C++ and I’m trying to understand the code over on

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I’m rather new to C++ and I’m trying to understand the code over on this forum http://www.blizzhackers.cc/viewtopic.php?p=2483118. I’ve managed to work out most of the errors but this one’s got me stumped here’s the code from the function giving me problems.

void LoadDll(char *procName, char *dllName)
{
    HMODULE hDll;
    unsigned long cbtProcAddr;

    hDll = LoadLibrary(dllName);
    cbtProcAddr = GetProcAddress(hDll, "CBTProc"); // The error points to this line

    SetWindowsHookEx(WH_CBT, cbtProcAddr, hDll, GetTargetThreadIdFromProcname(procName));
}
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1 Answer

  1. Editorial Team

    Change the definition of cbtProcAddr to:

    HOOKPROC cbtProcAddr;

    The compiler is upset because you are trying to store a pointer-type value in an variable declared to hold an integer. (You may need to cast the result of GetProcAddress() to HOOKPROC, since that function doesn’t know the actual signature of the pointed-to function, but the usage of the pointer in the SetWindowsHookEx() call implies that it is compatible with the signature of the HOOKPROC function-pointer type.)

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