public CopyProcessViewModel()
        {
            IsEnabled = true;

            nameReadStreamButtom  = "Приостановить";
            nameWriteStreamButtom = "Приостановить";

            ColorStreamWriteBuffer = "Green";
            ColorStreamWriteFile   = "Green";

            readStreamButtomCommand  = new DelegateCommand(PauseUnpauseReadStream);
            writeStreamButtomCommand = new DelegateCommand(PauseUnpauseWriteStream);

            stateButtomReadStream  = StateButtom.Pause;
            stateButtomWriteStream = StateButtom.Pause;
        }
 public void PauseUnpauseWriteStream()
 {
     if (stateButtomWriteStream != StateButtom.Unpause)
     {
         fileWriter.Pause();
         NameWriteStreamButtom  = "Возобновить";
         stateButtomWriteStream = StateButtom.Unpause;
         ColorStreamWriteFile   = "Red";
     }
     else
     {
         fileWriter.Start();
         NameWriteStreamButtom  = "Приостановить";
         stateButtomWriteStream = StateButtom.Pause;
         ColorStreamWriteFile   = "Green";
     }
 }