How to dealwith drag something

[bluepoint]

Among two groups of thing, I want to drag to put the object corresponded, for example on a piece of tabletop, Banana can pull and put get tabletop this, although apple can pull but cannot put on tabletop . Oh, a metaphor , has the past master seen and understand? How to write AS? ;)

[Billy T]

http://www.tableau.com.au/tutorials/drag_drop_tut/

[bluepoint]

Originally posted by Billy T
http://www.tableau.com.au/tutorials/drag_drop_tut/
It is really too good ,Thank you, Billy T