| Re: Multiple draw widget events [message #60083 is a reply to message #60081] |
Fri, 02 May 2008 07:21   |
David Fanning
Messages: 11724
Registered: August 2001
|
Senior Member |
|
|
Jye writes:
> Another newbie here so the answer to my problem is most likely
> blatently obvious.
>
> The example below is of a draw widget which windows the displayed
> image when right clicked on the draw widget and the ROI button runs
> CW_DEFROI. But my problem is that the windowing events interfere when
> CW_DEFROI is called! How can I stop this from happening? Im sure it
> has something to do with the /no_block keyword but I have been unable
> to find the solution.
>
> Any help is greatly appreciated.
Something really weird is going on here!
I have to confess, I have never used CW_DEFROI, because I have
never been able to figure it out. But, clearly, it has its
own event loop, and we are meant to *stay* in that event loop
until we exit the CW_DEFROI program (WHILE 1 DO...). Nothing
else should be happening.
But while it does *appear* to be stuck inside its own
event loop, other events can be processed and sent to
other event handlers, etc. As I say, too, too weird!!
I don't have time this morning to fool around with it,
and I have a busy weekend planned (learning about native
plants), but maybe I'll come back to this when I get
a moment. There is something to be learned here, I just
don't know exactly what yet. :-)
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
|
|
|
|
comp.lang.idl-pvwave archive
Members
Search
Help
Login
Home
