[Gambas-user] Get the object of a component by name.

[Fabien Bodard]

You can use another way :

Imagine a firmata that will be a container.

all the children of this container will be connected to this connection.

so you can work visually and children just needto search the
connection in theire parent



2016-02-24 20:22 GMT+01:00 Tobias Boege <taboege at ...626...>:
> On Wed, 24 Feb 2016, Matias De lellis wrote:
>> >It is a different>matter, though, if Firmata is a graphical control. Graphical controls always
>> >have a name property and you can use a Form's Controls property to search a
>> >control by name like this:
>> >
>> >  hMyFirmata = FMain.Controls["Firmata1"]
>> >
>> >Note again: this only works if you know the form (FMain in this case) where
>> >you want to search your object and the object is a control.
>>
>>
>> I thought it, but as inherited from SerialPort (Not UserControl) does not work..
>>
>> I implemented this in the previous attached example, and prints all controls except virtuals.
>> > Dim hControl As Control
>> > Dim hForm As Form Then
>> > If Me.Parent Is Form ' Always can iterate to find the Form..
>> >   hForm = Me.Parent
>> >   For Each hControl In hForm.Controls
>> >     Debug hControl.name
>> >   Next
>> > Endif
>>
>> May need to do inherit from UserControl but I have to add even more code to relate the UserControl parent with the child SerialPort properties and events..
>>
>
> OK, then another, more self-contained way. You have a class Firmata which is
> instantiable and you want to keep track of the instances, right? Then modify
> Firmata.class like so:
>
>   Static Private $cObjects As New Collection
>
>   Static Public Sub _get(Name As String) As Firmata
>     ' Search through registered objects
>     Return $cObjects[Name]
>   End
>
>   Public Sub _new(Name As String)
>     ' Register every newly created Firmata object
>     $cObjects[Name] = Me
>   End
>
> There is a static Collection which records every newly created object. You
> must now specify a name for each Firmata object on creation. Given a string
> variable sName which contains a the name of an existing Firmata object you
> can obtain the object simply as
>
>   hMyFirmata = Firmata[sName]
>
> The above code will give you circular reference errors and it does not
> include a way to remove an instance from the Collection so that its refcount
> drops to zero and the Firmata object can be deleted. I have not enough time
> ATM to make a better example, but if you get the idea, I'm sure you can fix
> the remaining issues.
>
> Regards,
> Tobi
>
> --
> "There's an old saying: Don't change anything... ever!" -- Mr. Monk
>
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-- 
Fabien Bodard