/// <summary>Init ParentTreeHandler.</summary>
/// <remarks>Init ParentTreeHandler. On init the parent tree is read and stored in this instance.</remarks>
internal ParentTreeHandler(PdfStructTreeRoot structTreeRoot)
{
this.structTreeRoot = structTreeRoot;
parentTree = new PdfNumTree(structTreeRoot.GetDocument().GetCatalog(), PdfName.ParentTree);
RegisterAllMcrs();
}
