public static SectionRootNode CreateMultiTreeSectionRoot(string nodeId, TreeNodeCollection children)
{
var sectionRoot = new SectionRootNode(nodeId, "", "")
{
IsContainer = true,
Children = children
};
//some metadata as to whether or not this section contains any trees
sectionRoot.AdditionalData["containsTrees"] = children.Any();
return(sectionRoot);
}