C / C++ / MFC

void StartEXE (String^ path)
{
TCHAR prog[] = TEXT("C:\\...\\...."); // Programpath

string p ;
MarshalString(path, p);
std::string str= p;
TCHAR *param=new TCHAR[str.size()+1];
param[str.size()]=0;

const TCHAR open[] = TEXT("runas")
ShellExecute( NULL, open, prog, param, NULL, SW_SHOWNORMAL );
}

void MarshalString ( String ^ s, string& os )
        {
        using namespace Runtime::InteropServices;
        const char* chars =
        (const char*)(Marshal::StringToHGlobalAnsi(s)).ToPointer();
        os = chars;
        Marshal::FreeHGlobal(IntPtr((void*)chars));
        }