LoadLibrary, GetProcAddress Etc

i have a function defined as:

Code:

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int functionCall (int index) {
    return index * 2;
}

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I want to be able to load this up and run it but so i can load this function from different dlls (specified at run time).

I have used LoadLibrary, GetProcAddress etc to get all the details, the only problem is when wanting to call it.
Msdn uses:

Code:

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typedef UINT (CALLBACK* LPFNDLLFUNC1)(UINT, DWORD);

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to which i changed to:

Code:

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typedef int (CALLBACK* LPFUNCTION)(int);

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although when it comes to running my program this generates an error. my full code is:

Code:

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#include <iostream.h>
#include <windows.h>

typedef int (CALLBACK* LPFUNCTION)(int);

HINSTANCE dllHandle;
LPFUNCTION dllFunction;

int main (void) {
                dllHandle = LoadLibrary("1.dll");
        if (dllHandle != NULL)
        {
                dllFunction = (LPFUNCTION)GetProcAddress(dllHandle, "functionCall");
                if (!dllFunction)
                {
                        FreeLibrary(dllHandle);
                        return -1;
                }
                else
                {
                        cout << "DLL Function Loaded:" << dllFunction << endl;
                        int uReturnVal = dllFunction(100);
                        cout << "Return:" << uReturnVal << endl;
                }
        }

        return 0;
}

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Whoop, Problem Solved :D