const wxChar *wxFatalErrorStr = wxT("wxWindows Fatal Error");
const wxChar *wxDirDialogNameStr = wxT("wxDirCtrl");
const wxChar *wxDirDialogDefaultFolderStr = wxT("/");
+const wxChar *wxTreeCtrlNameStr = wxT("wxTreeCtrl");
/* See wx/utils.h */
const wxChar *wxFloatToStringStr = wxT("%.2f");