怎么获取选择集？
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怎么获取选择集？
c#
//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");//"