LRESULT CALLBACK KeyHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
    HDC hdc;
    char str[MAX_PATH];
    RECT rt = {100, 120, 500, 150};
    static int Count = 0;

    if(nCode < 0)
        return CallNextHookEx(hKeyHook, nCode, wParam, lParam);
    hdc = GetDC(hWndMain);
    wsprintf(str, "nCode = %d, wParam = %u, lParam = %08x, Count = %d",
            nCode, wParam, lParam, Count++);
    FillRect(hdc, &rt, (HBRUSH)GetStockObject(WHITE_BRUSH));
    TextOut(hdc, 100, 120, str, strlen(str));
    ReleaseDC(hWndMain, hdc);
    return CallNextHookEx(hKeyHook, nCode, wParam, lParam);
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT iMessage, WPARAM wParam, LPARAM lParam)
{
    HDC hdc;
    PAINTSTRUCT ps;
    char mes[] = "키보드 훅 테스트 프로그램이단다.";

    switch(iMessage)
    {
        case WM_CREATE:
            hKeyHook = SetWindowsHookEx(WH_KEYBOARD, KeyHookProc,, NULL, GetCurrentThreadId());
            return 0;


다음은 에러메시지이고 위 빨간 파라메터에서 에러난게 분명한데요.
SetWindowsHookEx의 원형은 HHOOK SetWindowsHookEx(int idHook, HOOKPROC lpfn, HINSTANCE hMod, DWORD dwThreadId);인데 왜 이런 에러가 나는지 모르겠습니다. 어떻게 바꿔야 할지...

[C++ Error] proc1.cpp(71): E2034 Cannot convert 'long (__stdcall *)(int,unsigned int,long)' to 'int (__stdcall *)()'
[C++ Error] proc1.cpp(71): E2342 Type mismatch in parameter 'lpfn' (wanted 'int (__stdcall *)()', got 'long (__stdcall *)(int,unsigned int,long)')