protected override void InternalValidate()
{
if (!UMLanguagePackHelper.IsUmLanguagePack(this.LanguagePackExecutablePath.PathName))
{
base.WriteError(new TaskException(Strings.ADDUMInvalidLanguagePack(this.LanguagePackExecutablePath.PathName)), ErrorCategory.InvalidArgument, 0);
}
base.InternalValidate();
}