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Re: CW_DEFROI (some help for dumb person doing first widget prog...) [message #44842 is a reply to message #44748]

Mon, 18 July 2005 03:38

Peter Clinch
Messages: 98
Registered: April 1996

Member

David Fanning wrote:

> You passed CW_DEFROI the draw widget identifier. It needs
> the graphics window index number, which is the *VALUE*
> of the draw widget (after it has been realized).
>
> wDraw=widget_info(event.top, find_by_uname="Draw")
> Widget_Control, wDraw, Get_Value=windex
> WSet, windex
> CentreROI=CW_DEFROI(windex)

Oh, hang on... if I do that it crashes on the cw_defroi call

The crashpoint cursor is in the cw_defroi.pro file, at the line

WIDGET_CONTROL, draw, GET_VALUE=win

result is I'm even more confused than I was before... :-(

Pete.
--
Peter Clinch Medical Physics IT Officer
Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital
Fax 44 1382 640177 Dundee DD1 9SY Scotland UK
net p.j.clinch@dundee.ac.uk http://www.dundee.ac.uk/~pjclinch/

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[Message index]

		Re: CW_DEFROI (some help for dumb person doing first widget prog...) By: David Fanning on Fri, 15 July 2005 23:30
		Re: CW_DEFROI (some help for dumb person doing first widget prog...) By: Peter Clinch on Mon, 18 July 2005 03:38
		Re: CW_DEFROI (some help for dumb person doing first widget prog...) By: Peter Clinch on Mon, 18 July 2005 01:47

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