Yet another way of doing this is to use public properties. For
example, a small form class that pops up a message might look like this;
PRIVATE mMessageText AS String
PUBLIC PROPERTY MessageText AS String
PRIVATE FUNCTION MessageText_Read() AS String
RETURN (mMessageText)
END
PRIVATE SUB MessageText_Write(Value AS String)
mMessageText = Value
TextArea1.Text = Value
Timer2.Enabled = TRUE
END
PUBLIC SUB Timer2_Timer()
ME.Close
END
You set the value of properties and the class does whatever it was
designed to do with them, in this case set a TextArea to the value that
was set in the public property "MessageText". The form has a timer on it
which is set to display the message for X number of seconds and then
close the form. You could add another property to this form to allow the
changing of the timer interval, giving the form even more flexibility.
PRIVATE mMessageText AS String
PRIVATE mTimeInterval AS Integer
PUBLIC PROPERTY TimerInterval AS Integer
PRIVATE FUNCTION TimerInterval_Read() AS Integer
RETURN (mTimerInterval)
END
PRIVATE TimerInterval_Write(Value AS Integer)
mTimerInterval = Value
' Assign the delay from the variable 'mTimerInterval'
' OR 'Value', in this case I use the former.
Timer2.Delay = mTimerInterval
END
PUBLIC PROPERTY MessageText AS String
PRIVATE FUNCTION MessageText_Read() AS String
RETURN (mMessageText)
END
PRIVATE SUB MessageText_Write(Value AS String)
mMessageText = Value
TextArea1.Text = Value
' If the user does not set a delay then set the default.
If TimerInterval = 0 then
Timer2.Delay = 3
end if
' Ensure the timer is enabled.
If not Timer2.Enabled then
Timer2.Enabled = TRUE
end if
END
PUBLIC SUB Timer2_Timer()
ME.Close
END
Steve.
Doriano Blengino wrote:
> Szenográdi Norbert Péter ha scritto:
>> Hi all.
>>
>> Im a new member on gambas-user-list.
>>
>> I have some quession:
>> - How can I send a datas to other form..
>>
> There are two ways.
> 1 - In the project properties, you can set "Controls of forms are
> public". Once this is done, you can address/refer to controls on other
> forms by their name, i.e. "Form2.label1.text = ....". This option is
> global to the project: all the form have public controls or none.
>
> 2 - As each form is a class, it can have public variables and methods.
> You can declare PUBLIC variables and access them from outside the form.
> If you want the form react in some way, this is not enough; after
> setting a variable you must call a public method declared in the form,
> which can manipulate its controls. This can be done in a single step:
> write a public method having some parameter, then call that method
> passing the data you want. That method can use the data you passed and
> do what is needed.
>
> For example, suppose you have a main form which, at some point, opens
> another form as a "status" form. This StatusForm has a Label1 on it,
> showing some message. If controls are public (first solution), then you
> simply write in the main:
>
> StatusForm.Label1.Text = "Opening data file..."
> WAIT ' this is required to update instantly the screen
>
> Using the second way runs like this. In the StatusForm code (.class
> file), declare a public method like this:
>
> PUBLIC SUB UpdateMessage(st AS String)
> Label1.Text = st
> WAIT
> END
>
> At this point, in the main program, you can call:
> StatusForm.UpdateMessage("Opening data file...")
>
>> - How can I see any -manual inserted- data in Tableview and/or
>> Gridview..
>>
> Look at the manual page about GridView - it contains an example on how
> to set grid "dimensions" (number of row and columns), and fill them by
> code. About to see them... I don't understand the problem; provided that
> the event loop is called, then you will see any data a Gridview is
> filled with.
>
> Email again if you have still problems.
>
>
>
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