virtual void ExpandDir(wxTreeItemId parentId);
virtual void CollapseDir(wxTreeItemId parentId);
virtual const wxTreeItemId AddSection(const wxString& path, const wxString& name, int imageId = 0);
virtual void ExpandDir(wxTreeItemId parentId);
virtual void CollapseDir(wxTreeItemId parentId);
virtual const wxTreeItemId AddSection(const wxString& path, const wxString& name, int imageId = 0);