[Dynapi-Help] how far did the layer move?

[Jesse V. <je...@6t...>]

I have a 2 layers, and when one moves, I want the other one to move, so 
they move as a group.
Shouldn't be hard to do, but I don't know how to tell how far the first 
layer has moved, that way
my move callback can move the other one by the same distance.


Is there something that I can look at when I'm in the ondragmove 
listener to see how far it's moved?

Thanks in advance,
    Jesse