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Design-Time Properties in an OCX

Posted on 1998-07-24
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Last Modified: 2010-05-03
I have an OCX made from a 'TextBox' control provided with VB.  

I recently wanted to add an alignment property to this control.  

The problem that I am encountering is that when I go to compile, VB says, "Can't Assign to Read-Only Property" because, to the embedded TextBox control, it _is_ runtime, even though, to the OCX it is design time.

The actual statement is this:

Public Property Let Alignment(A As AlignmentConstants)
    Text1.Alignment = A
End Property

The compile stops cold, with "Alignment" highlighted.

The question is:  How do you alter run-time, read-only properties in component controls of an OCX?

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Question by:percosolator
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Accepted Solution

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kamall earned 100 total points
ID: 1466623
percosolator,
    You can not alter run-time read-only properties of a VB control embeded into your ActiveX control even though you are using your OCX in the design environment.
    The solution is either to use another control that enables setting the alignment property at run-time, or you manipulate the text alignment in the text box using your own code, which is a little bit complicated.

Hope that helps.
Regards
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by:percosolator
ID: 1466624
I found someone elses solution about using multiple text boxes, not an elegant solution, but I'll use it if I can't find an alternative.

Are you (or is anyone) aware of an API that might help?
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Expert Comment

by:kamall
ID: 1466625
>> Are you (or is anyone) aware of an API that might help?

Unfortunately, NO. I have no idea on how to do this using API.
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Author Comment

by:percosolator
ID: 1466626
Kamall,

I was looking around and saw that "C" I gave you.  Sorry about that, doesn't appear to be any way around this issue.  

I will give you a better one next time, k? Got a couple lurking about that I have been tempted to post, but I always love a good challenge.

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LVL 7

Expert Comment

by:kamall
ID: 1466627
percosolator,
Thank you for your comment, and don't worry about the 'C' grade.
I am here to help you and the other people.
Have a nice day.
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