static GenericStructureContribution()
{
// prepare category tree
if (StructCategoryTree.theInstance == null)
{
StructCategoryTree.loadDefaultTree();
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
public StructCategoryTree(XmlDocument e)//:base(e)
{
theInstance = this;
XmlNode root = e.SelectSingleNode("tree");
makeRoot(e);
if (root != null)
{
parseTree(root, 0);
}
}