C#进行Visio二次开发之Shape的Data1、Data2、Data3的用处

             // 把原有的统计项先抹掉
             if (VisioUtility.HasShapeInWindow(visApp.ActiveWindow))
             {
                visApp.ActiveWindow.SelectAll();
                foreach (Visio.Shape shape in visApp.ActiveWindow.Selection)
                {
                    if (shape.Data1 == "tongji")
                    {
                        shape.Delete();
                    }
                }
                visApp.ActiveWindow.DeselectAll();
            }

Visio.Shape shape = VisioUtility.DrawRectangeOnPage(visApp, leftTopX, leftTopY - j * cellHeight, 
                        leftTopX + leftCellWidth, leftTopY - (j +  1) * cellHeight);

                     // 第一个单元格用于放统计项名称
                    shape.NameU =  " 某某名称 ";
                    shape.Text =  " 某某名称 ";
                    shape.Data1 =  " tongji "; // 用tongji来标识Data1这个属性只是为了在删除这些框的时候便于查找到

                     // 放置统计内容
                    shape = VisioUtility.DrawRectangeOnPage(visApp, leftTopX + leftCellWidth, leftTopY - j * cellHeight, 
                        leftTopX + leftCellWidth + rightCellWidth, leftTopY - (j +  1) * cellHeight);
                    shape.NameU =  " 某某名称 " +  " v ";
                    shape.Data1 =  " tongji ";

                     // Data2放模具组的名称,用来获取相关单位
                    shape.Data2 =  " 模具组名称 ";

                 foreach (Visio.Shape shape  in page.Shapes)
                 {
                    if (shape.Data1.Equals("tongji", StringComparison.OrdinalIgnoreCase) &&
                        shape.NameU.Equals(string.Format("{0}v", resultInfo.DeviceType)))
                    {
                        ..
                    }
                }