added wxVListBox::GetItemRect() (#9711)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54601 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/vlbox.h

@@ -125,6 +125,13 @@ public:
     */
     wxPoint GetMargins() const;
 
+    /**
+        Returns the rectangle occupied by this item in physical coordinates.
+
+        If the item is not currently visible, returns an empty rectangle.
+     */
+    wxRect GetItemRect(size_t item) const;
+
     /**
         Returns the index of the next selected item or @c wxNOT_FOUND if there
         are no more.