public TreeViewNode tryAdd( TreeViewNode node ) {
try {
nodes.Add( node.name, node );
return node;
} catch {
return nodes[ node.name ];
}
}
private void buildTreeView( TreeEntryChanges change )
{
int index = change.Path.LastIndexOf( "\\" );
string folder = ( index >= 0 ) ? change.Path.Substring( 0, index ) : "\\";
TreeViewNode node = new TreeViewNode( folder.Trim() );
TreeViewItem item = new TreeViewItem( change );
treeView.tryAdd( node ).tryAdd( item );
}