/// <summary>
///
/// </summary>
/// <param name="cat"></param>
public void RemoveCategory(ElementList cat)
{
if (categories.Contains(cat))
{
cat.Remove(this);
categories.Remove(cat);
}
}
public static void RemoveImage(DataImage d)
{
if (Images.Contains(d))
{
Images.Remove(d);
d.ClearCategories();
}
}