Constraining 'grab'

Scott Rossi scott at
Tue Mar 5 13:20:01 EST 2002

On Tuesday, March 5, 2002, at 10:26  AM, Ken Norris (dialup) wrote:

> I don't understand why
> you use both 'on mouseUp' and on 'mouseRelease'. Aren't they the same 
> thing?

No.  MouseRelease is used to trap when the user releases the mouse 
outside of the dragged control.  A control cannot receive a mouseUp 
message if the mouse is not within the rect of the control.


Scott Rossi
Creative Director, Tactile Media
scott at

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