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| Re: pulldown menu with multiple selections [message #17577 is a reply to message #17434] |
Wed, 27 October 1999 00:00  |
davidf
Messages: 2866
Registered: September 1996
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Senior Member |
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R.Bauer (R.Bauer@fz-juelich.de) writes:
> pei zeng wrote:
>
>> Does anybody know how to make a pulldown menu with multiple selections?
>
> I believe this is impossible at the moment.
Oh, nothing is impossible. Not with IDL. :-)
Here is a simple example of a multiple-selection
pull-down menu. Selected items have an asterisk
in front of the item name.
Cheers,
David
************************************************************ ************
PRO Example_Button_Events, event
Widget_Control, event.id, Get_Value=buttonValue, Get_UValue=buttonUValue
Widget_Control, event.id, Set_Value=buttonUValue, Set_UValue=buttonValue
END
PRO EXAMPLE
tlb = Widget_Base(Column=1, Title='Make a Choice...')
selectID = Widget_Button(tlb, Value='Animal Selections...', /Menu, $
Event_Pro='Example_Button_Events', Scr_XSize=200)
choice1 = Widget_Button(selectID, Value='Choose Dogs', /Menu)
button = Widget_Button(choice1, Value='Retriever', UValue='* Retriever')
button = Widget_Button(choice1, Value='Boxer', UValue='* Boxer')
button = Widget_Button(choice1, Value='Great Dane', UValue='* Great Dane')
choice2 = Widget_Button(selectID, Value='Choose Cows', /Menu)
button = Widget_Button(choice2, Value='Holstein', UValue='* Holstein')
button = Widget_Button(choice2, Value='Angus', UValue='* Angus')
button = Widget_Button(choice2, Value='Jersey', UValue='* Jersey')
Widget_Control, tlb, /Realize
XManager, 'example', tlb, /No_Block
END
************************************************************ ************
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155
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