+#if wxUSE_REARRANGECTRL
+ // prepare the data for showing the dialog
+ wxArrayInt order = GetColumnsOrder();
+
+ const unsigned count = GetColumnCount();
+
+ // notice that titles are always in the index order, they will be shown
+ // rearranged according to the display order in the dialog
+ wxArrayString titles;
+ titles.reserve(count);
+ for ( unsigned n = 0; n < count; n++ )
+ titles.push_back(GetColumn(n).GetTitle());
+
+ // this loop is however over positions and not indices
+ unsigned pos;
+ for ( pos = 0; pos < count; pos++ )
+ {
+ int& idx = order[pos];
+ if ( GetColumn(idx).IsHidden() )
+ {
+ // indicate that this one is hidden
+ idx = ~idx;
+ }
+ }
+
+ // do show it
+ wxHeaderColumnsRearrangeDialog dlg(this, order, titles);
+ if ( dlg.ShowModal() == wxID_OK )
+ {
+ // and apply the changes
+ order = dlg.GetOrder();
+ for ( pos = 0; pos < count; pos++ )
+ {
+ int& idx = order[pos];
+ const bool show = idx >= 0;
+ if ( !show )
+ {
+ // make all indices positive for passing them to SetColumnsOrder()
+ idx = ~idx;
+ }
+
+ if ( show != GetColumn(idx).IsShown() )
+ UpdateColumnVisibility(idx, show);
+ }
+
+ UpdateColumnsOrder(order);
+ SetColumnsOrder(order);
+
+ return true;
+ }
+#endif // wxUSE_REARRANGECTRL
+