请问选择单个实体时如何设置过滤

Ms_yam · 发表于 2010-12-22 19:29:00

请问选择单个实体时如何设置过滤？谢谢

雪山飞狐_lzh · 发表于 2010-12-22 23:37:00

[CommandMethod("t2")]
      public static void Test2()
      {
         var db = HostApplicationServices.WorkingDatabase;
         var doc = Application.DocumentManager.GetDocument(db);
         var ed = doc.Editor;
         var optSel = new PromptSelectionOptions();
         optSel.MessageForAdding = "\n选择直线(方法一):";
         optSel.SingleOnly = true;
         var resSel = ed.GetSelection(optSel, new SelectionFilter(new TypedValue[] { new TypedValue(0, "line") }));
         var optEnt = new PromptEntityOptions("\n选择直线(方法二):");
         optEnt.SetRejectMessage("错误的选择!");
         optEnt.AddAllowedClass(typeof(Line), false);
         var resEnt = ed.GetEntity(optEnt);
      }