I am fairly new to Flex. I'm trying to implement a custom DataGrid so I can have proper checkbox style row selection functionality. I know how to extend a DataGrid, but I'm not sure how (or if I can) override the ItemClick event. My goal is to check if I am clicking on a checkbox in the first column, if so, only select or deselect that row, without deselecting the other selected rows. Please push me in the right direction if you can.