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Need assistance creating a Control control
Message
De
18/08/2005 16:02:33
Mike Sue-Ping
Cambridge, Ontario, Canada
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Classes - VCX
Versions des environnements
Visual FoxPro:
VFP 9
Divers
Thread ID:
01040983
Message ID:
01042054
Vues:
33
Hi Kevin,

I just tested your code and, yes it does indeed work, but, only up to a point :) Where it fails and produces an error is when you take your control and drop it onto a form. Now when you run your builder, it fails upon exiting with the error that I described below.

Mike.


>I just retested my code. Works fine.
>
>I emailed you the project.
>
>Kevin
>
>
>
>
>
>>Hi Kevin,
>>
>>This almost worked. The problem that I'm having is that oObject.label1 is an "Unknown member". If I go to the debugger and investigate oObject, I can see that it has a "label1" object but its value is "(Expression could no be evaluated)".
>>
>>Is this something to do with the fact that I'm using a Control control and not a Container control? Any ideas?
>>
>>Thanks,
>>
>>Mike
>>
>>
>>>Create a program called MyBuilder.prg and add the following code:
>>>
>>>
>>>LPARAMETERS oObject, cButton
>>>
>>>cCaption = INPUTBOX("Enter a caption")
>>>
>>>oObject.label1.Caption = cCaption
>>>
>>>RETURN
>>>
>>>
>>>
>>>Add a property to your class called 'builder'
>>>
>>>Set it to the full path and name of the builder prg you created.
>>>
>>>Right click on the class and choose 'builder' from the menu.
>>>
>>>The code above will run.
>>>
>>>
>>>
>>>
>>>>Hi,
>>>>
>>>>I'm trying to create a custom control based on the VFP control class. At design time I dropped a label in the control along with a shape. I created a custom property for the control named Caption that has an assign method to change the label's caption. In the control's init event, I set Caption=Caption to force the assign to update the label's caption.
>>>>
>>>>This works fine at runtime. How can I update the label's caption at design time? When I drop a instance of this class on a form, the label and shape objects are not available (since it is a Control control).
>>>>
>>>>Regards,
>>>>
>>>>Mike
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