CAD将选中的实体做成块（网页版）

​​//实例化一个构造选择集进行过滤,该类封装了选择集及其处理函数。​​

​​var​​​ ​​ss = mxOcx.NewSelectionSet();​​

​​//构造一个过滤链表​​

​​var​​​ ​​spFilte = mxOcx.NewResbuf();​​

​​//用户选择对象  得到用户选取的实体​​

​​ss.Select2(8, ​​​​null​​​​, ​​​​null​​​​, ​​​​null​​​​, spFilte);​​

​​var​​​ ​​aryId = ​​​​new​​​ ​​Array();​​

​​for​​​ ​​(​​​​var​​​ ​​i = 0; i < ss.Count; i++)​​

​​{​​

​​var​​​ ​​ent = ss.Item(i);​​

​​if​​​ ​​(ent != ​​​​null​​​​)​​

​​{​​

​​aryId.push(ent.ObjectID);​​

​​ent.Close();​​

​​}​​

​​}​​

​​//返回控件的数据库对象​​

​​var​​​ ​​curDatabase =mxOcx.GetDatabase();​​

​​var​​​ ​​dMinX = 0, dMinY = 0, dMaxX = 0, dMaxY = 0;​​

​​var​​​ ​​isFirstEnt = ​​​​true​​​​;​​

​​for​​​ ​​(​​​​var​​​ ​​l = 0; l < aryId.length; l++)​​

​​{​​

​​var​​​ ​​pObj = curDatabase.ObjectIdToObject(aryId[l]);​​

​​if​​​ ​​(pObj == ​​​​null​​​​)​​

​​continue​​​​;​​

​​var​​​ ​​pEnt = pObj;​​

​​if​​​ ​​(pEnt == ​​​​null​​​​)​​

​​continue​​​​;​​

​​var​​​  ​​points = pEnt.GetBoundingBox2();​​

​​var​​​ ​​minPt = points.Item(0);​​

​​var​​​ ​​maxPt = points.Item(1);​​

​​if​​​ ​​(minPt != ​​​​null​​​ ​​&& maxPt != ​​​​null​​​​)​​

​​{​​

​​if​​​​(isFirstEnt)​​

​​{​​

​​dMinX = minPt.x;​​

​​dMinY = minPt.y;​​

​​dMaxX = maxPt.x;​​

​​dMaxY = maxPt.y;​​

​​isFirstEnt = ​​​​false​​​​;​​

​​}​​

​​else​​

​​{​​

​​if​​​ ​​(dMinX > minPt.x)​​

​​dMinX = minPt.x;​​

​​if​​​ ​​(dMinY > minPt.y)​​

​​dMinY = minPt.y;​​

​​if​​​ ​​(dMaxX < maxPt.x)​​

​​dMaxX = maxPt.x;​​

​​if​​​ ​​(dMaxY < maxPt.y)​​

​​dMaxY = maxPt.y;​​

​​}​​

​​}​​

​​}​​

​​if​​​​(isFirstEnt)​​

​​{​​

​​// 没有实体​​

​​return​​​​;​​

​​}​​

​​var​​​ ​​pos = mxOcx.NewPoint();​​

​​pos.x = dMinX + (dMaxX - dMinX) / 2.0;​​

​​pos.y = dMinY + (dMaxY - dMinY) / 2.0;​​

​​// 检查新创建的块名，在当前数据库是否已经存在.​​

​​var​​​ ​​blkTable = curDatabase.GetBlockTable();​​

​​var​​​ ​​curSpace = curDatabase.CurrentSpace();​​

​​var​​​ ​​sNewBlakName;​​

​​var​​​ ​​blkNewRec = blkTable.Add(​​​​""​​​​);​​

​​sNewBlakName = blkNewRec.Name;​​

​​blkNewRec.Origin = pos;​​

​​for​​​ ​​(​​​​var​​​ ​​l = 0; l < aryId.length; l++)​​

​​{​​

​​blkNewRec.AddCloneEntity(aryId[l]);​​

​​// 把以前实体删除 。​​

​​var​​​ ​​pObj = curDatabase.ObjectIdToObject(aryId[l]);​​

​​if​​​ ​​(pObj == ​​​​null​​​​)​​

​​continue​​​​;​​

​​pObj.Erase();​​

​​}​​

​​if​​​ ​​(blkNewRec != ​​​​null​​​​)​​

​​{​​

​​var​​​ ​​blkRef = curSpace.InsertBlock(pos.x,pos.y, sNewBlakName, 1.0, 0.0);​​

​​var​​​ ​​attrib = blkRef.AppendAttribute();​​

​​attrib.Position = pos;​​

​​attrib.AlignmentPoint = pos;​​

​​attrib.Oblique = 0.0;​​

​​attrib.Rotation = 0.0;​​

​​attrib.Height = 2.0;​​

​​attrib.Tag = ​​​​"TestTag"​​​​;​​

​​attrib.IsInvisible = ​​​​false​​​​;​​

​​blkRef.Position = blkRef.Position;​​

​​}​​

​​return​​​​;​​