[Gambas-user] Gambas-user Digest, Vol 30, Issue 49

[Benoit Minisini]

On samedi 22 novembre 2008, L Jumadi wrote:
> On vendredi 21 novembre 2008, L Jumadi wrote:
>  > I just want to know wheter gambas can set property inside a virtual
>  > collection. For Example I try to set Rows.H of a Gridview, I try command
>  > like this:
>  >
>  > Object.SetProperty(Obj,"Rows.H",10)
>  >
>  > (Where Obj is a Gridview, and of course "Rows.H" usually a variable)
>  >
>  > It return error. Is there any other way to do it? I have trouble to
>  > read property too (Dynamically), but someway gambas debugger can read
>  > it properly (I think it should use to read it dynamically). Am I
>  > missing something?
>  >
>  >You can't do that with Object.SetProperty. But the question is: why do
>  > you use Object.SetProperty?
>  >
>  >You can use an Object reference:
>  >
>  >DIM hObject AS Object = Obj
>  >hObject.Rows.H = 10
>  >--
>  >Benoit Minisini
>
> Of course I do that because actually Rows.H is a data in a database.
> FYI: Right now I create a database driven application with gambas. So
> I never use any of gambas form (Can you Imagine that?!) but can
> display GUI like if we use a form. Everything driven by the data. From
> the data my program create the form dynamically. So user (actually
> it's me as programmer) can modify the property of an object just by
> editting the data. So far it going well until i want to modify the
> rows.h. May be I can intercept that with some other code, but in the
> future if there is many virtual object like this I must code it one by
> one. So if there any solution for this I can set other "maybe in the
> future" virtual object.
>
> Regards
>
> L.Jumadi
>

Then you can use the Eval() function:

Dim hGridView As GridView
Dim cValue As New Collection
Dim sProp As String = "Row.H"

cValue["This"] = hGridView

Print Eval("This." & sProp, cValue)

-- 
Benoit Minisini