So that is the workaround. Thanks, Eric.
- Ben
Eric Chatonet wrote:
Bonjour Ben,
Have a look at Trevor's workaround:
http://revolution.screenstepslive.com/lessons/2034-Inability-To-Send-Messages-During-Drag-Operation-Workaround
Le 13 nov. 08 à 10:42, Ben Rubinstein a écrit :
I'm trying to accept a drag+drop into a scrolling group. All fine,
except that I want to have the group scroll automatically if the user
hovers over the top or bottom.
If the dragMove shows that the position is at top or bottom of the
area, I want to scroll the group a bit; then if they're still then a
few ticks later, scroll it a bit more.
Picking up the dragMove into an appropriate spot is fine; but I then
tried to send myself a message to scroll a bit more, which I cancel if
they move out of the zone. However, it seems that messages aren't
sent while a drag is in progress - instead the first message isn't
sent until the drag ends. So I currently I have something where the
user has to wiggle around at the end of the group to scroll it - not
great!
Is this a known problem? Is there a way to get periodic operations
during a drag?
Or do I have to block, once I detect that I'm starting to scroll the
group, and just poll the mouse position and mousebutton to kep
scrolling until the mouse moves or the button is released or I'm
scrolled all the way?
(And if it is the case that periodic operations are simply stopped
during a drag; is this a bug?)
TIA,
- Ben
Best regards from Paris,
Eric Chatonet.
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