I want to know how can i call a function from a c++ dll from VC++or VB,how can i call MyFunction() in this case; Can someone explain or suggest some links covering this topics.

Code:
#include "stdafx.h"

MyFunction()
{
Do something
}

BOOL APIENTRY DllMain(HANDLE hModule, DWORD  dwReasonForCall, LPVOID lpReserved) {
    switch(dwReasonForCall) {
		case DLL_PROCESS_ATTACH: {
			break;
		}
		case DLL_PROCESS_DETACH: {
			break;
		}
    }
    return TRUE;
}