cad.net 图元延迟显示,动画效果,编辑器延迟发送提示.

动图演示

实现代码

#if !HC2020
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Geometry;
using Autodesk.AutoCAD.Runtime;
using Acap = Autodesk.AutoCAD.ApplicationServices.Application;
using Autodesk.AutoCAD.ApplicationServices;
#else
using GrxCAD.DatabaseServices;
using GrxCAD.EditorInput;
using GrxCAD.Geometry;
using GrxCAD.Runtime;
using Acap = GrxCAD.ApplicationServices.Application;
using GrxCAD.ApplicationServices;
#endif
namespace JoinBox.src.试验库
{
    public class Command_test
    {      
        [CommandMethod("tt1", CommandFlags.Modal | CommandFlags.UsePickSet | CommandFlags.Redraw)]
        public static void tt1()
        {
            // 获取当前文档和数据库
            Document doc = Acap.DocumentManager.MdiActiveDocument;
            Database db = doc.Database;
            Editor ed = Acap.DocumentManager.MdiActiveDocument.Editor;
            // 启动事务
            using (Transaction tr = db.TransactionManager.StartTransaction())
            {
                // 块表
                var acBlkTbl = tr.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
                // 当前空间的块表记录
                var acBlkTblRec = tr.GetObject(db.CurrentSpaceId, OpenMode.ForWrite) as BlockTableRecord;
                int aa = 0;
                for (int i = 0; i < 25; i++)
                {
                    //新建圆
                    var acCirc = new Circle(new Point3d(aa++, 0, 0), Vector3d.ZAxis, 0.5);
                    // 将新对象添加到块表记录和事务
                    acBlkTblRec.AppendEntity(acCirc);
                    tr.AddNewlyCreatedDBObject(acCirc, true);
                    //刷新内容
                    acCirc.Draw();
                    Acap.UpdateScreen();

                    //输出到命令栏,注意一下这两种不同感觉
                    ed.WriteMessage(aa.ToString() + "
");
                    //ed.WriteMessage(aa.ToString()+"
");

                    //阻塞线程
                    System.Threading.Thread.Sleep(100);
                }
                //提交事务
                tr.Commit();
            }
        }
    }
}

Arx同等效果

e大也写了一篇: ObjectARX延时动画效果简单示意

(完)