if ( item->GetWindow() )
item->GetWindow()->SetContainingSizer( this );
+ // extend the number of rows/columns of the underlying wxFlexGridSizer if
+ // necessary
+ int row, col;
+ item->GetEndPos(row, col);
+ row++;
+ col++;
+
+ if ( row > GetRows() )
+ SetRows(row);
+ if ( col > GetCols() )
+ SetCols(col);
+
return item;
}