public int RefreshTree()
{
if (HierarchyNode == null)
{
return(0);
}
// Recreate the tree by clearing the tree first
while (HierarchyNode.FirstChild != null)
{
HierarchyNode.FirstChild.Remove();
}
// repopulate
HierarchyNode.Expand(false);
int no = PopulateTree(HierarchyNode);
return(no);
}
