-Create a wxTreeCtrl
-Use wxDir and wxDirDialog
You will see the following object:
-wxFrame
-wxTreeCtrl
-wxDir
-wxButton
-wxDirDialog
The souce code is avalable to download at: http://www.4shared.com/zip/Vz0cxzhI/wxTreeCtrl_source_code.html
and the application at: http://www.4shared.com/zip/Znrocp68/wxTreeCtrl_EXE.html