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i have a palette with different items, some items has to drop in a layout and some other in another layout that is contained into the previews layout.
i have implemented a drag drop from the palette to the main layout, now that I want to drop an item into the layout that is contained inside the previews, I have a problem because when I drag the item over the second layout, the main layout is selected as drop destination.
my question is: is it possible to tell a drop handler to ignore some kind of items?