/*----------------------------------------------------- 分割线 ----------------------------------------------------------------*/ #region 画板的回调函数实现 /// <summary> /// 画板:将InkCanvas的墨迹转换为String /// </summary> private void ink_MouseUp(object sender, MouseButtonEventArgs e) { StrokeCollection sc = inkcanvas.Strokes; string inkData = (new StrokeCollectionConverter()).ConvertToString(sc); client.SendInk(roomId, inkData); }