public void setCursorPoint(ShortPoint cursorPoint)
 {
     this.cursorPoint = cursorPoint;
 }
 public void setCursorPoint(ShortPoint point)
 {
     this.cursorPoisiton = point;
 }
        /**更新关键帧*/
        private void upDateKeyFrame(Bitmap newKeyFrame, ShortPoint point)
        {
            globalComparerBitmap = (Bitmap)newKeyFrame.Clone();

            DifferentBitmapWithCursor differentBitmapWithCursor = new ScreenBitmap.DifferentBitmapWithCursor();
            differentBitmapWithCursor.setBitmapType(SendPacket.BitmapType.COMPLETE);
            differentBitmapWithCursor.setCursorPoint(point);
            differentBitmapWithCursor.setDifBitmap(newKeyFrame);
            screenCopyDifQueue.Enqueue(differentBitmapWithCursor);
            textBoxDBQ.Text = "" + screenCopyDifQueue.getQueueSize();
        }