private void StreamExtentSample()
{
// intro message
Editor editor = GetEditor();
editor.WriteMessage("* StreamExtent *\n");
editor.WriteMessage("StreamExtent detects the extents of all the objects in the stream.\n");
editor.WriteMessage("Pick some objects in the current drawing and the extents will be highlighted.\n");
// pick multiple objects
ObjectIdCollection ids = PickObjectSet();
if (ids.Count == 0)
{
editor.WriteMessage("No object is picked\n");
return;
}
Database db = GetDatabase();
StreamExtent stream = new StreamExtent(db);
TransactionManager tm = db.TransactionManager;
using (Transaction trans = tm.StartTransaction())
{
stream.PushDisplayParameters(DictionaryDisplayConfiguration.GetStandardDisplayConfiguration(db), trans);
foreach (ObjectId id in ids)
{
Entity ent = trans.GetObject(id, OpenMode.ForRead) as Entity;
stream.Stream(ent);
}
stream.PopDisplayParameters();
trans.Commit();
}
HighlightBoundBox3d(stream.Extents);
}
