using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using Autodesk.AutoCAD.ApplicationServices; using Autodesk.AutoCAD.DatabaseServices; using Autodesk.AutoCAD.EditorInput; using Autodesk.AutoCAD.Runtime; using Autodesk.AutoCAD.Colors; using DotNetARX2014; using Autodesk.AutoCAD.Geometry; namespace CadStudy { public class Cmd { //Demo1：CmdLine直线 [CommandMethod("CmdLine")] public void CmdLine() { Point3d startPoint = new Point3d(0, 0, 0); //声明起始点 Point3d endPoint = new Point3d(100, 200, 0); //声明终止点 Line line = new Line(startPoint, endPoint); //声明直线 line.Color = Color.FromRgb(255, 0, 0); //设置颜色 //line.Layer = "3"; //设置图层 line.LineWeight = LineWeight.LineWeight050; //设置线宽 //开启事务 Database db = HostApplicationServices.WorkingDatabase; using (Transaction trans = db.TransactionManager.StartTransaction()) { //打开块表 BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead); //打开块表记录 BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite); //向块表记录添加线条 btr.AppendEntity(line); trans.AddNewlyCreatedDBObject(line, true); trans.Commit(); } } //Demo2：CmdCir圆 [CommandMethod("CmdCir")] public void CmdCir() { Circle circle = new Circle();//声明圆 circle.Center = new Point3d(10, 20, 0); //声明圆心 circle.Radius = 10; //声明半径 //调用方法 AddEntity(circle); } //Demo3：CmdArc圆弧 [CommandMethod("CmdArc")] public void CmdArc() { //声明圆弧 Arc arc = new Arc() { Center = new Point3d(50, 50, 0), //设置圆弧的圆心 Radius = 10, //设置半径 StartAngle = 0, //设置起始的弧度 EndAngle = Math.PI / 2, //设置终点的弧度 }; AddEntity(arc); } //Demo4：AddPolyline多段线 [CommandMethod("AddPolyline")] public void AddPolyline() { Polyline polyline = new Polyline();//声明多段线 //AddVertexAt：给多段线加拐点 //第一个参数表示在第几个序列加点 //第二个参数表示这个点的坐标 //第三个参数表示这个点的凸起 //第四个参数表示线的初始宽度 //第五个参数表示线的终止宽度 polyline.AddVertexAt(0, new Point2d(0, 0), 0, 0, 0); polyline.AddVertexAt(1, new Point2d(10, 10), 0, 0, 0); polyline.AddVertexAt(2, new Point2d(20, 0), 0, 0, 0); //重新设置拐点的坐标 //polyline.SetPointAt(1, new Point2d(20, 30)); //移除拐点 //polyline.RemoveVertexAt(1); //NumberOfVertices：多段线所有的拐点数 for (int i = 0; i < polyline.NumberOfVertices; i++) { Point2d point2D = polyline.GetPoint2dAt(i);//获取每一个点 } polyline.Closed = false; //是否闭合 AddEntity(polyline); } //Demo5：SelecetDemo选择集 [CommandMethod("SelectDemo")] public void SelectDemo() { List entities = SelectEntities(); } //Demo6：单行文字 [CommandMethod("AddText")] public void AddText() { DBText text = new DBText { TextString = "单行文字", //文字内容 Position = new Point3d(10, 10, 0), //文字坐标 Height = 3, //文字高度 WidthFactor = 0.8, //宽度因子 //Rotation = Math.PI / 4, //旋转角度 //IsMirroredInX = true, //在X轴方向上镜像 //IsMirroredInY = true, //在Y轴方向上镜像 //HorizontalMode = TextHorizontalMode.TextMid, //AlignmentPoint = new Point3d(20, 20, 0), //HorizontalMode = TextHorizontalMode.TextAlign, //AlignmentPoint = new Point3d(20, 20, 0), }; List textStyleTableRecords = GetTextStyle(); //判断是否有样式名为123 //if表达式的意思是集合中有任意一个的样式等于123就返回true if (textStyleTableRecords.Any(x => x.Name == "123")) { //将第一个匹配的元素找出来 text.TextStyleId = textStyleTableRecords.Find(x => x.Name == "123").ObjectId; } AddEntity(text); } //将公共方法提取出来 private void AddEntity(Entity entity) { //开启事务 Database db = HostApplicationServices.WorkingDatabase; using (Transaction trans = db.TransactionManager.StartTransaction()) { //打开块表 BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead); //打开块表记录 BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite); //向块表记录添加对象 btr.AppendEntity(entity); trans.AddNewlyCreatedDBObject(entity, true); trans.Commit(); } } //获取文字样式的方法 public List GetTextStyle() { List result = new List(); //获取数据库 Database db = HostApplicationServices.WorkingDatabase; //打开事务 using (Transaction trans = db.TransactionManager.StartTransaction()) { //获取字体样式的样式表 TextStyleTable tt = (TextStyleTable)trans.GetObject(db.TextStyleTableId,OpenMode.ForRead); //遍历样式表 foreach (var item in tt) { //获取到每一个字体样式的记录 TextStyleTableRecord ttr = (TextStyleTableRecord)trans.GetObject(item, OpenMode.ForRead); result.Add(ttr); } } return result; } //获取选择集的公共方法 private List SelectEntities() { Editor acDocEd = Application.DocumentManager.MdiActiveDocument.Editor; //获取PickFirst选择集 PromptSelectionResult acSSPrompt; SelectionSet acSSet; //清空PickFirst选择集 ObjectId[] idarrayEmpty = new ObjectId[0]; acDocEd.SetImpliedSelection(idarrayEmpty); //请求从图形区域选择对象 acSSPrompt = acDocEd.GetSelection(); //如果提示状态O看，表示已选择对象 if (acSSPrompt.Status == PromptStatus.OK) { acSSet = acSSPrompt.Value; List objectIds = acSSet.GetObjectIds().ToList(); Database database = HostApplicationServices.WorkingDatabase; List entities = new List(); using (Transaction tran = database.TransactionManager.StartTransaction()) { foreach (var item in objectIds) { Entity entity = (Entity)item.GetObject(OpenMode.ForRead); entities.Add(entity); } } return entities; } else { Application.ShowAlertDialog("Number of objects selected:0"); return null; } } } }