// Gets the display name of an object type.
public static string GetDisplayName(RXClass classObject)
{
using (RXObject rawObject = classObject.Create())
{
if (classObject.IsDerivedFrom(RXObject.GetClass(typeof(AecDbObject))))
{
AecDbObject dbObject = (AecDbObject)rawObject;
return(dbObject.DisplayName);
}
else if (classObject.IsDerivedFrom(RXObject.GetClass(typeof(AecEntity))))
{
AecEntity entity = (AecEntity)rawObject;
return(entity.DisplayName);
}
else if (classObject.IsDerivedFrom(RXObject.GetClass(typeof(DBObject))))
{
string dxfName = classObject.DxfName;
if (dxfName == null)
{
return(classObject.Name);
}
else
{
return(dxfName);
}
}
}
throw new ArgumentException("wrong class type");
}
void RecursiveReferencesToOfSeletedObject()
{
//
// Transaction processing
//
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
Database db = Application.DocumentManager.MdiActiveDocument.Database;
TransactionManager tm = db.TransactionManager;
Transaction trans = tm.StartTransaction();
try
{
PromptEntityOptions entopts = new PromptEntityOptions("Select an Aec Entity ");
entopts.SetRejectMessage("Must select an Aec Entity, please!");
entopts.AddAllowedClass(typeof(Autodesk.Aec.DatabaseServices.Entity), false);
PromptEntityResult ent = null;
try
{
ent = ed.GetEntity(entopts);
}
catch
{
ed.WriteMessage("You did not select a valid entity");
return;
}
if (ent.Status == PromptStatus.OK)
{
ObjectId entId = ent.ObjectId;
Autodesk.Aec.DatabaseServices.Entity aecent = tm.GetObject(entId, OpenMode.ForRead, false) as Autodesk.Aec.DatabaseServices.Entity;
DBObjectRelationshipManager mgr = new DBObjectRelationshipManager();
DBObjectRelationshipCollection refsTo = mgr.GetReferencesToThisObjectRecursive(aecent, 0, false);
ed.WriteMessage("\n\n");
foreach (DBObjectRelationship relTo in refsTo)
{
ed.WriteMessage("Ent ID = " + entId.ToString() + " " + entId.ObjectClass.Name.ToString() + " is referenced recursively by: " + relTo.Id.ToString() + "("
+ relTo.Id.ObjectClass.Name + ")" + ", whose relationship type is "
+ relTo.RelationshipType.ToString() + "\n");
}
}
trans.Commit();
}
catch (System.Exception e)
{
trans.Abort();
Application.DocumentManager.MdiActiveDocument.Editor.WriteMessage(e.Message);
}
finally
{
trans.Dispose();
}
}
