Grid Row Span
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Grid id="myGrid"> <mx:GridRow id="row1" height="33%"> <mx:GridItem> <mx:Button label="Button 1" /> </mx:GridItem> <mx:GridItem> <mx:Button label="2" /> </mx:GridItem> <mx:GridItem> <mx:Button label="Button 3" /> </mx:GridItem> <mx:GridItem rowSpan="2"> <mx:Button label="Button 3a" height="100%" /> </mx:GridItem> <mx:GridItem rowSpan="3"> <mx:Button label="Button 3b" height="100%" /> </mx:GridItem> </mx:GridRow> <mx:GridRow id="row2" height="33%"> <mx:GridItem colSpan="3" horizontalAlign="center"> <mx:Button label="Long-Named Button 4" /> </mx:GridItem> </mx:GridRow> <mx:GridRow id="row3" height="33%"> <mx:GridItem /> <mx:GridItem colSpan="3"> <mx:Button label="Button 5 expands across 3 columns" width="75%" /> </mx:GridItem> </mx:GridRow> </mx:Grid> </mx:Application>