Encapsulating forms (?) 2

[florindaniel]

Hello,

I have this three object I use often and in a similar way:
a label explaining the type of info, a textbox to key in the data and a command button to search for that data in a table. I tried to encapsulate them and define a class
so I can use them easy. I don't know how to handle this: in the click event of the button I need to use a form where I show (in a grid) the table and from where I choose a value.
If I say something like: DO FORM SelData... it doesn't work.
Is there a way to encapsulate that form or is just a silly idea and there's some other way to handle that?

Thank you
Daniel

 

[TamarGranor]

The way I usually handle this kind of requirement is to add a custom property to the container to hold the name of the form to run. Then the code is something like:

IF NOT EMPTY(This.cFormToRun)
DO FORM (This.cFormToRun)
ENDIF

That said, your direct call should work. What's wrong?

Tamar

 

[Olaf Doschke]

First of all I assume you put a label, textbox and button in a container class to have a composed single class to reuse, Technically encapsulating a form within that container is not possible and you wouldn't do that anyway.

If you really want to go OOP you perhaps should rather not DO FORM, but instnaciate a form class, but still like Tamar says DO FORM would work from within such a compound class as from a single button on some form. What's wrong?

Bye, Olaf.

 

[florindaniel]

Thank you very much,

Nothing is wrong (now) if I use that custom property.

I'm not very clear if I have to make a copy of the form for each application I make (actually I can manage the programming part -at some level...-, but organizing folders, include or not OCX in projects, declaring paths, where the components are,etc... - that's a problem for me -)

I indeed have a container class with those three controls.
However, I tried the other way (OOP) and I've made a special class containing the form + controls. In the click event of the button :
loSelForm = NEWOBJECT('MySelDate','libs\MyLib')
but I don't know how to use it (!).
Do Form (loSelForm.Name) With ... doesn't work.

Thank you again
Daniel

 

[Olaf Doschke]

loSelForm now is the form, you need to set it visible in the next step, loSelForm.Show(), not DO FORM, you can only DO FORM an scx, not a form already being run...

You should perhaps take your time to learn a bit of basics, OOP can't be learned by try and error.

Bye, Olaf.