public void autoca()
{
var doc = Application.DocumentManager.MdiActiveDocument;
var db = HostApplicationServices.WorkingDatabase;
var ed = doc.Editor;
try
{
var per1 = ed.GetEntity("选择测试设备:\n");
if (per1.Status != PromptStatus.OK)
{
return;
}
using (var tr = doc.TransactionManager.StartTransaction())
{
var bt = (BlockTable)(tr.GetObject(db.BlockTableId, OpenMode.ForRead));
var btr = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
var ent1 = tr.GetObject(per1.ObjectId, OpenMode.ForRead) as Entity;
if (ent1 == null)
{
return;
}
if (ent1 is Polyline)
{
var pp = ent1 as Polyline;
ed.WriteMessage(pp.Closed);
ed.WriteMessage("\n");
}
else if (ent1 is BlockReference)
{
var rr = ent1.Clone() as BlockReference;
if (rr != null)
{
// 记录当前角度
var rolat = rr.Rotation;
// 把角度设置为0
rr.Rotation = 0;
// 得到角度为0的实体范围
var ext = rr.GeometricExtents;
// 生成一个测试矩形,颜色为黄色
var pl = new Polyline();
pl.CreateRectangle(new Point2d(ext.MaxPoint.X, ext.MaxPoint.Y), new Point2d(ext.MinPoint.X, ext.MinPoint.Y));
pl.ColorIndex = 2;
// 旋转实体范围
Matrix3d mt = Matrix3d.Rotation(rolat, Vector3d.ZAxis, GeTools.MidPoint(ext.MaxPoint, ext.MinPoint));
pl.TransformBy(mt);
// 加入到模型空间
btr.AppendEntity(pl);
tr.AddNewlyCreatedDBObject(pl, true);
}
}
tr.Commit();
}
}
catch (Exception ex) { ed.WriteMessageWithReturn(ex); }
}
