/// <summary>
/// Flips the direction of FromRoom/ToRoom for this door or window.
/// </summary>
/// <param name="familyInstance"></param>
/// <returns></returns>
public static Revit.Elements.FamilyInstance FlipFromToRoom(Revit.Elements.FamilyInstance familyInstance)
{
Autodesk.Revit.DB.FamilyInstance uwFi = familyInstance.InternalElement as Autodesk.Revit.DB.FamilyInstance;
TransactionManager.Instance.EnsureInTransaction(DocumentManager.Instance.CurrentDBDocument);
uwFi.FlipFromToRoom();
TransactionManager.Instance.TransactionTaskDone();
//DocumentManager.Instance.CurrentDBDocument.Regenerate();
return(familyInstance);
}