怎么获取选择集？

sbydo

C#2005+CAD2007

怎么获取我在图中选择的对象集合？再对这些集合进行下一步处理呢？

lzhanddsh

//获取Editor对象
            Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;

            // 定义选择集选项
            PromptSelectionOptions selectionOp = new PromptSelectionOptions();
            //创建选择集过滤器，只选择块对象
            TypedValue[] filList = new TypedValue[1];
            filList[0] = new TypedValue((int)DxfCode.Start, "POINT");////获取Editor对象
            Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;

            // 定义选择集选项
            PromptSelectionOptions selectionOp = new PromptSelectionOptions();
            //创建选择集过滤器，只选择块对象
            TypedValue[] filList = new TypedValue[2];
            filList[0] = new TypedValue((int)DxfCode.Start, "POINT");//到CAD中去看到底实体的类别是什么
            filList[1] = new TypedValue((int)DxfCode.LayerName, "高程点");//"20071231坡底线");//建立图层选择集
            SelectionFilter filter = new SelectionFilter(filList);
            PromptSelectionResult ssRes = ed.GetSelection(selectionOp, filter);//GetSelection用户选择
            //PromptSelectionResult ssRes = ed.SelectAll(filter);//SelectAll用户选择全部选择
            if (ssRes.Status == PromptStatus.OK)
            {
                SelectionSet SS = ssRes.Value;
                int nCount = SS.Count;实体的类别是什么 POINT或者其它
            SelectionFilter filter = new SelectionFilter(filList);
            PromptSelectionResult ssRes = ed.GetSelection(selectionOp, filter);//GetSelection用户选择
            //PromptSelectionResult ssRes = ed.SelectAll(filter);//SelectAll用户选择全部选择
            if (ssRes.Status == PromptStatus.OK)
            {
                SelectionSet SS = ssRes.Value;
                int nCount = SS.Count;
                //
                加入自己处理代码
                //

             }