Working code!

gistfile1.cpp

vector<string> argArraytest;
argArraytest.push_back("");
argArraytest.push_back("-of");
argArraytest.push_back("GTiff");
argArraytest.push_back("C:\\Users\\Will\\Desktop\\Lena.bmp");
argArraytest.push_back("C:\\Users\\Will\\Desktop\\Lena_IS_NOW_A_GTIFF_BITCH.tif");

vector<char*> argumentPointers( argArraytest.size() );
    for ( size_t i = 0; i < argArraytest.size(); i++)
    {
        argumentPointers[i] = (char*) argArraytest[i].c_str();
    }

GDALTranslateTool::PerformTranslate((int)argArraytest.size(), &argumentPointers.front(), NULL);