Wannes Coolen

If you have a Flex list (List, DataGrid, TileList or whatever) that is drag enabled, you don’t always want that each item of the list is draggable.
It should be very handy if Flex offers some kind of filter function that decides which items are draggable and which aren’t. Unfortunately such a function is not available yet.

The easiest way to prevent the dragging at this time is to listen to the dragStart event and prevent the default behavior when the item is not allowed to be dragged.

Read more…

When your list or datagridColumn has an itemRenderer with a component that can be clicked, you don’t always want to select the row in your list.
To prevent the selection, you need to listen to the mouseDown event and stop the propagation (event.stopPropagation()). Read more…