[Gambas-user] What is the use of Tag property

[Demosthenes Koptsis]

ok i ll study it in proper time.

On Sun, 2010-12-12 at 21:16 +1100, Michael wrote:
> Select Case is not an alternative to a click event. In the example I 
> gave you would use the following pseudo code:
> SUB btnEdit_Click()
> ME.Tag = "edit"
> Populate text boxes with current data and enable them to be edited
> 
> SUB btnNew_Click
> ME.Tag = "new"
> Clear all text boxes and enable them to accept data.
> 
> SUB btnSave_Click
> SELECT CASE ME.Tag
>      CASE "edit'
>          Update database with edited information
>      CASE "new"
>          Insert new record into database.
> END SELECT
> ME.Tag=""
> 
> In my example the TAG property is set to indicate the status of the 
> application. If the user tried to close the form you would be aware that 
> data was being changed and you could ask the user if they wanted to save 
> the data before closing.
> I hope this is clear.
> 
> Regards
> Michael
> 
> 
> On 12/12/10 19:32, Demosthenes Koptsis wrote:
> > Ok i see.
> >
> > i used to use buttons event click for each one button and it is a bit
> > strange to understand it.
> >
> > So if i understand right instead of click event you use a SELECT CASE
> > for tag property?
> >
> >
> >
> > On Sun, 2010-12-12 at 10:22 +1100, Michael wrote:
> >> If you want a practical example. I have a data form with Edit, Add and
> >> Save buttons. When I click Edit or Add I set the tag property of the
> >> form; it can be anything "add" "edit or "1" and "2". When the Save
> >> button is clicked I then know which action to take. It's use is purely
> >> at the developer's discretion. In a sense it works as a global variable
> >> but is better because nobody likes globals.
> >>
> >> Regards
> >> Michael
> >>
> >>
> >> On 12/12/10 01:35, Demosthenes Koptsis wrote:
> >>> PROPERTY Tag AS Variant
> >>>
> >>> Returns or sets the control tag.
> >>>
> >>> This property is intended for the programmer and is never used by the
> >>> component. It can contain any Variant value.
> >>> ------------------------------------------------
> >>>
> >>> ok but what is the use of this property?
> >>>
> >>>
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> new data types, scalar functions, improved concurrency, built-in packages, 
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> http://p.sf.net/sfu/oracle-sfdev2dev 
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-- 
Regards,
Demosthenes