Never mind. I figured it out. I totally forgot that for something to be droppable, it has to be a visible component. In this case, setting the background color to anything at all makes it a droppable target.
Sorry for the interruption. --- In flexcoders@yahoogroups.com, "bgamblin" <bra...@...> wrote: > > Say you have an HBox, and inside that HBox you have lots of little child > HBoxes. Now, you want to rearrange the child HBoxes using drag and drop. > Using Flex, it's pretty easy to enable drag/drop support. However, the > dragover event seems to fire at odd points. > > As I drag a child HBox around the main HBox, I sometimes see the invalid drag > icon, even though it should be valid. If it disallowed dragging one child > over another, I could understand that. But even that seems random, with some > portions of the children showing as valid drag targets, and others not. With > a small number of children, it was odd but not debilitating. With a large > number of children, it became entirely untenable. If I have ten children, I > can't drop the items anywhere except the first half of it's width. > > Is there another element to this that affects where an object becomes a drop > target or not? Variable width perhaps? Padding? I'm at a loss. >
