/// <summary>
/// Extract all Section Families from this collection
/// </summary>
/// <returns></returns>
public SectionFamilyCollection GetSections()
{
var result = new SectionFamilyCollection();
foreach (Family vProp in this)
{
if (vProp is SectionFamily)
{
result.Add((SectionFamily)vProp);
}
}
return(result);
}
protected override void OnCollectionChanged()
{
//Clear cached data:
_Sections = null;
_PanelFamilies = null;
}