Add wxDirCtrl::GetPath().

This allows to retrieve the directory being affected by wxTreeCtrl event.

Closes #14790.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72819 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/dirctrl.h

@@ -162,6 +162,13 @@ public:
     */
     virtual wxString GetPath() const;
 
+    /**
+        Gets the path corresponding to the given tree control item.
+
+        @since 2.9.5
+    */
+    wxString GetPath(wxTreeItemId itemId) const;
+
     /**
         Fills the array @a paths with the selected directories and filenames.
     */