added wxGrid::SetColumnsOrder() too

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57371 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/grid.h

@@ -2305,6 +2305,15 @@ public:
     */
     void SetColPos(int colID, int newPos);
 
+    /**
+        Sets the positions of all columns at once.
+
+        This method takes an array containing the indices of the columns in
+        their display order, i.e. uses the same convention as
+        wxHeaderCtrl::SetColumnsOrder().
+     */
+    void SetColumnsOrder(const wxArrayInt& order);
+
     /**
         Resets the position of the columns to the default.
      */