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Access to title object in IDLgrAxis [message #46254]

Sun, 13 November 2005 22:20

IDLmastertobe
Messages: 54
Registered: June 2004

Member

hi, i have an IDLgrText object embedded into a IDLgrAxis object as a title,
but now I am try to implement an option of having the title or not
depending on user input. Does anyone know how to get access to the
IDLgrText object? Then I would be able to use the HIDE function to make
the title disappear or appear.

oAxis = OBJ_NEW('IDLgrAxis',name='colorbar',
range=[0,256],/EXACT,COLOR=!label_color, $
TICKLEN=15,MAJOR=5,TITLE=oCBTitle)

where the oCBTitle is defined as follows:

oCBTitle = OBJ_NEW('IDLgrText','Grayscale', name='title')

I tried using the "GetByName function", but I think either I can't use it
or I used it the wrong wrong. IDL prompt me error message "cannot invoke
a null subject" or something when I tried to get access by:

oTitle = oView->GetByName('cbtop/colorbar/title')

Thanks for your time.

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