// 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");
}
GetClassesDerivedFrom(RXClass searchClassType, ArrayList derivedClasses, bool allowClassesWithoutDxfName)
{
Debug.Assert(derivedClasses != null);
Dictionary dict = SystemObjects.ClassDictionary;
if (dict != null)
{
IEnumerable enumerable = dict as IEnumerable;
if (enumerable != null)
{
IEnumerator enumerator = enumerable.GetEnumerator();
while (enumerator.MoveNext())
{
RXClass rxClass = (RXClass)((DictionaryEntry)enumerator.Current).Value;
if (rxClass.IsDerivedFrom(searchClassType))
{
if (!allowClassesWithoutDxfName && ((rxClass.DxfName == null) || (rxClass.DxfName == string.Empty)))
{
// skip it
}
else
{
if (derivedClasses.Contains(rxClass) == false)
{
derivedClasses.Add(rxClass);
}
}
}
}
}
}
}
public static bool IsAssignableFrom(RXClass rxclass)
{
return(rxclass.UnmanagedObject == unmanagedObject ||
(hasChildren && rxclass.IsDerivedFrom(instance)));
}