TCHAR szPath[MAX_PATH];
GetModuleFileName(NULL,szPath,MAX_PATH);
HKEY newValue;
HKEY resKey;
subValue = "MyProgram";
    RegOpenKey(HKEY_CURRENT_USER,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&newValue);
    long key = RegQueryValueExA(resKey, subValue, NULL, NULL, NULL, NULL);
    if(key == ERROR_FILE_NOT_FOUND)
    {
        return false;
    }
    else
    {
      const DWORD cbData = sizeof(TCHAR) * (lstrlen(szPath) + 1);
      RegSetValueEx(newValue, subValue ,0,REG_SZ,(LPBYTE)szPath,cbData);
      RegCloseKey(newValue);
    }