GenericMB - C++

#include <Windows.h>

template <class TYPE>
void GenericMB(bool bError, TYPE tMessage)
{
    MessageBoxA(NULL, tMessage, (bError ? "Error" : "Information"), MB_OK | MB_TOPMOST | (bError ? MB_ICONERROR : MB_ICONINFORMATION));
}

int main()
{
    GenericMB(true, "GetLastError(): " + GetLastError());
    GenericMB(false, "Some information box.");

    system("pause");
    return EXIT_SUCCESS;
}