private bool Change(string strFile)
    {
        bool flag;
        try
        {
            using (FileStream stream = new FileStream(strFile, FileMode.Open, FileAccess.ReadWrite))
            {
                stream.Position = stream.Length;
                byte[] array = null;
                Array.Resize<byte>(ref array, 1);
                stream.Write(array, 0, 1);
                stream.Flush();
                stream.Close();
            }
            flag = true;
        }
        catch (Exception exception1)
        {
            ProjectData.SetProjectError(exception1);
            Exception exception = exception1;
            flag = false;
            ProjectData.ClearProjectError();
        }
        return flag;
    }