private static string GetCommandLineAbbrevForAppName(string appName)
{
if (appName == null)
throw new ArgumentNullException("appName");
appName = appName.ToLowerInvariant();
if (appName == FwUtils.ksTeAppName.ToLowerInvariant())
return FwUtils.ksTeAbbrev;
if (appName == FwUtils.ksFlexAppName.ToLowerInvariant())
return FwUtils.ksFlexAbbrev;
throw new ArgumentException("Unknown application name");
}