Problem addressing subobject properties

[David McFarlane]

Oh, also look at this link, where I further discuss why to use attribute 
references instead of direct manipulation of object properties:
https://groups.google.com/d/topic/e-prime/dWpfjk-BeLs/discussion

-- David McFarlane


David McFarlane wrote:
> Katrin,
> 
> Neither Slides nor TextDisplays have a "Text1" property, they have a 
> "Text" property, and that accounts for your error message -- see the 
> Slide topic in the E-Basic Help facility.  So your lines should instead 
> read
> 
>      Slide.Text = "..."
> 
> But if you had not made that mistake and then posted your question, I 
> would not have the opportunity to correct you bigger mistake.  You 
> really should not change object properties directly in code this way, 
> for at least three reasons as I discuss at 
> https://groups.google.com/d/topic/e-prime/g1Fv2CGaSeg/discussion .  As I 
> explain there, you should instead use an attribute reference.  Add an 
> attribute reference (e.g., [Text]) in your Slide or TextDisplay, and 
> then your code might read
> 
>     If (c.GetAttrib("Question") = "1") Then
>          c.SetAttrib "Text", "..."
>     Else
>          c.SetAttrib "Text", "..."
>     End If
> 
> Or if you dare, do this all in a single Iif statement,
> 
>      c.SetAttrib "Text", Iif( (c.GetAttrib("Question") = "1"), _
>         "True...", "False..." )
> 
> -----
> David McFarlane
> E-Prime training online: 
> http://psychology.msu.edu/Workshops_Courses/eprime.aspx
> Twitter:  @EPrimeMaster (twitter.com/EPrimeMaster)
> 
> /-----------
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> \-----------
> 
> 
> Katrin wrote:
>> I am stuck with a silly problem. I want to create a flexible 
>> Feedbackslide on which one Textline (of a sub object) is changing 
>> depending on an Attribute in a list before. So I used a command like
>> If c.GetAttrib ("Question") = "1" Then
>> Slide.Text1 = "..." Else
>> Slide.Text1 = "..."
>> End If
>>
>> But Eprime gives me an error saying that Text1 is not a an assignable 
>> property of the object.
>> What do I do wrong?
>> So far I always used a Textdisplay, but now I have to use a Slide (as 
>> there is sth else displayed there to) and I don't know if that changes 
>> sth/how to adress the different Textfields/subobjects on it...
>> Thanks for your help!
>> Katrin

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