static DoorSwingData()
{
// fill door's opening types. User can modify the DoorSwingResource according to
// how he wants to identify the Left, Right or others opening information.
OpeningTypes.Clear();
// Undefined means this door family is insensible of door opening feature.
// User didn't add the relevant parameters or just gave an invalid value.
OpeningTypes.Add(DoorSwingResource.Undefined);
OpeningTypes.Add(DoorSwingResource.LeftDoor);
OpeningTypes.Add(DoorSwingResource.RightDoor);
OpeningTypes.Add(DoorSwingResource.TwoLeaf);
OpeningTypes.Add(DoorSwingResource.TwoLeafActiveLeafLeft);
OpeningTypes.Add(DoorSwingResource.TwoLeafActiveLeafRight);
}