// Zooms to given objects
public static void ZoomToObjects(IEnumerable <ObjectId> ids)
{
Autodesk.AutoCAD.EditorInput.Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
Extents3d outerext = new Extents3d();
Database db = HostApplicationServices.WorkingDatabase;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
try
{
foreach (ObjectId id in ids)
{
Entity ent = tr.GetObject(id, OpenMode.ForRead) as Entity;
Extents3d ext = ent.GeometricExtents;
outerext.AddExtents(ext);
}
}
catch
{
;
}
}
outerext.TransformBy(ed.CurrentUserCoordinateSystem.Inverse());
Point2d min2d = new Point2d(outerext.MinPoint.X, outerext.MinPoint.Y);
Point2d max2d = new Point2d(outerext.MaxPoint.X, outerext.MaxPoint.Y);
ViewTableRecord view = new ViewTableRecord();
view.CenterPoint = min2d + ((max2d - min2d) / 2.0);
view.Height = max2d.Y - min2d.Y;
view.Width = max2d.X - min2d.X;
ed.SetCurrentView(view);
}
