How to work with and change a components properties declared in the mx_internal namespace Join discussion...

Adding a combobox as a header renderer in a datagrid by default gives an RTE. This can be avoided by one simple modification Join discussion...

In Flex, when you want to draw text and apply CSS styles, you use a UITextField, which adds support for CSS as well as many other things.Even though you can set the styleName of the UITextField and reference CSS values on it, you cant call setStyle() on it to set an inline style. There’s a setStyle() implementation in UITextField that does exactly nothing. Join discussion...

Sometimes it is necessary to know which items in a datagrid are currently visible to the user (that is, without the user having to scroll), or which item is currently the first or last item in the visible list. Join discussion...

If an explicitly called popup window doesn’t implement IFocusManagerContainer, then whatever control had the focus before the pop up appeared will lose focus. This can result in unexpected behavior from your user’s point of view. Say a button had focus, and you popped up a message, and then it went away; the button should still have focus, but it won’t any more. Join discussion...

Find out where Flex is about to drop your dragged data Join discussion...

Change the source array of an ArrayCollection using source without killing Data Binding Join discussion...

This took me a long time to figure out and was finally answered by an Adobe Flex engineer. Join discussion...

This one saved me a LOT of time the other day. When using inline itemRenderers, the <mx:Component> tag that you have to write before the itemRenderer tags marks a change of scope. To call methods on the parent mxml document from an inline renderer , use the parentDocument property. Join discussion...

As the title says ... Join discussion...