/// <summary> /// 开始执行绘制初始化 /// </summary> /// <param name="GeometryType"></param> /// <param name="beginPoint"></param> /// <returns></returns> public PaintResult BeginPaint(PaintContext context, Point beginPoint) { if (context == null || context.PaintTool == null) { return new PaintResult() { PaintLayerType = PaintLayerType.None } } ; _paintTool = context.PaintTool; return(context.PaintTool.BeginPaint(context, beginPoint)); }