void IBimSpatialStructureElement.AddBoundingElementToSpace(IBimSpatialStructureElement space, IBimBuildingElement element, XbimPhysicalOrVirtualEnum type, XbimInternalOrExternalEnum external)
{
XbimSpace xSpace = space as XbimSpace;
XbimBuildingElement xElement = element as XbimBuildingElement;
if (xSpace == null || xElement == null) throw new ArgumentException();
xSpace.AddBoundingElement(xElement, type, external);
}
void IBimBuildingElement.AddDecomposingElement(IBimBuildingElement element)
{
XbimBuildingElement el = element as XbimBuildingElement;
if (el != null) AddDecomposingElement(el);
}
void IBimSpatialStructureElement.AddContainedBuildingElement(IBimBuildingElement element)
{
XbimBuildingElement elem = element as XbimBuildingElement;
if (elem == null) throw new ArgumentException();
AddContainedBuildingElement(elem);
}