Referencing "Forms" objects from a module

[Paul Helmuth]

All,

(here's an easy one)...

This is probably a stupid question - please bare with me as I am new to
dotNet.

How does one reference objects on a form from a module? In 6.0 you could
simply provide the form name as a prefix to the object within the form and
that would do it (kind of like providing a fully qualified path name to a
file).

What is the mechanism for such a reference from a VB.net module?

Thanks in advance for any insight

-Paul

[Debugger81]

your can easily find answer, in the following code

------------------------------------------------------------------------

Module Module1

Function A_Function()
MessageBox.Show (" i m in module1")
End Function

End Module

------------------------------------------------------------------------

Public Class Form1
Inherits System.Windows. Forms.Form

Private Sub Form1_Load(ByVa l sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
Module1.A_Funct ion()

End Sub
End Class
------------------------------------------------------------------------

[Paul Helmuth]

Almost.

The code snipit you provided shows the reverse.

You are referncing a module function from a form. I want to reference a form
object from a module. I have tried the 6.0 syntax which I described in my
original post - it's pretty much the same as the "form-to-module" reference
that you have illustrated.

How does one reference a form object from within a module?
"Debugger81 " <so**********@g mail.com> wrote in message
news:11******** **************@ g49g2000cwa.goo glegroups.com.. .

your can easily find answer, in the following code

------------------------------------------------------------------------

Module Module1

Function A_Function()
MessageBox.Show (" i m in module1")
End Function

End Module

------------------------------------------------------------------------

Public Class Form1
Inherits System.Windows. Forms.Form

Private Sub Form1_Load(ByVa l sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
Module1.A_Funct ion()

End Sub
End Class
------------------------------------------------------------------------

[Armin Zingler]

"Paul Helmuth" <ph******@cvit. com> schrieb

All,

(here's an easy one)...

This is probably a stupid question - please bare with me as I am new
to dotNet.

How does one reference objects on a form from a module? In 6.0 you
could simply provide the form name as a prefix to the object within
the form and that would do it (kind of like providing a fully
qualified path name to a file).

What is the mechanism for such a reference from a VB.net module?

Thanks in advance for any insight

If possible, don't use a Module. See previous discussions in this group.

Why don't you put the code in the Form?
Armin

[Herfried K. Wagner [MVP]]

"Armin Zingler" <az*******@free net.de> schrieb:

If possible, don't use a Module. See previous discussions in this group.

That's just your personal opinion.

--
M S Herfried K. Wagner
M V P <URL:http://dotnet.mvps.org/>
V B <URL:http://classicvb.org/petition/>

[Debugger81]

Paul you can do it by making the instance of the form in module like
shown below:
Module Module1

Function A_Function()

Dim frmInstance As Form1
frmInstance = New Form1

frmInstance.cal lMeFunction81()

End Function

End Module

* callMeFunction8 1() will be called which is in the form, Or you can do
what ever you want to do with it, as you got the instance of that form.
Paul Helmuth wrote:

Almost.

The code snipit you provided shows the reverse.

You are referncing a module function from a form. I want to reference a form
object from a module. I have tried the 6.0 syntax which I described in my
original post - it's pretty much the same as the "form-to-module" reference
that you have illustrated.

How does one reference a form object from within a module?
"Debugger81 " <so**********@g mail.com> wrote in message
news:11******** **************@ g49g2000cwa.goo glegroups.com.. .

your can easily find answer, in the following code

------------------------------------------------------------------------

Module Module1

Function A_Function()
MessageBox.Show (" i m in module1")
End Function

End Module

------------------------------------------------------------------------

Public Class Form1
Inherits System.Windows. Forms.Form

Private Sub Form1_Load(ByVa l sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
Module1.A_Funct ion()

End Sub
End Class
------------------------------------------------------------------------

[Kerry Moorman]

Paul,

You could pass a reference to the form to the code in the module.

Kerry Moorman
"Paul Helmuth" wrote:

All,

(here's an easy one)...

This is probably a stupid question - please bare with me as I am new to
dotNet.

How does one reference objects on a form from a module? In 6.0 you could
simply provide the form name as a prefix to the object within the form and
that would do it (kind of like providing a fully qualified path name to a
file).

What is the mechanism for such a reference from a VB.net module?

Thanks in advance for any insight

-Paul

[Armin Zingler]

"Herfried K. Wagner [MVP]" <hi************ ***@gmx.at> schrieb

"Armin Zingler" <az*******@free net.de> schrieb:

If possible, don't use a Module. See previous discussions in this
group.

That's just your personal opinion.

Whom else's opinion should I post? It's not only an opinion but also a
suggestion.
Armin

[Jay Taplin]

When you say "objects ON a form", do you mean controls? If not, please
ignore this post. If so, though...

I would do this as a property of the form, exposing the object. This gives
your form control over itself, provides true encapsulation, and allows you
the ability to reject requests for the object, etc., etc. Directly
referencing the control is, IMHO, not the best programming practice for
these reasons.

In the form:

Public ReadOnly Property NameTextBox() As TextBox
Get
NameTextBox = TextBox1
End Get
End Property
In the module:

Dim mForm1 As Form1

Sub Test()
MsgBox(mForm1.N ameTextBox.Text ())
End Sub

Where NameTextBox is a descriptive name of your text box object, and mForm1
is an object that references your form.

One last thing... I have no idea what your application is, and I don't mean
to preach at all, but you may want to take the encapsulation concept one
step further and expose only values from your control, such as a property
that exposes the text value of a text box.

[Jay Taplin]

When you say "objects ON a form", do you mean controls? If not, please
ignore this post. If so, though...

I would do this as a property of the form, exposing the object. This gives
your form control over itself, provides true encapsulation, and allows you
the ability to reject requests for the object, etc., etc. Directly
referencing the control is, IMHO, not the best programming practice for
these reasons.

In the form:

Public ReadOnly Property NameTextBox() As TextBox
Get
NameTextBox = TextBox1
End Get
End Property
In the module:

Dim mForm1 As Form1

Sub Test()
MsgBox(mForm1.N ameTextBox.Text ())
End Sub

Where NameTextBox is a descriptive name of your text box object, and mForm1
is an object that references your form.

One last thing... I have no idea what your application is, and I don't mean
to preach at all, but you may want to take the encapsulation concept one
step further and expose only values from your control, such as a property
that exposes the text value of a text box.
"Paul Helmuth" <ph******@cvit. com> wrote in message
news:T5******** ********@newssv r21.news.prodig y.com...

All,

(here's an easy one)...

This is probably a stupid question - please bare with me as I am new to
dotNet.

How does one reference objects on a form from a module? In 6.0 you could
simply provide the form name as a prefix to the object within the form and
that would do it (kind of like providing a fully qualified path name to a
file).

What is the mechanism for such a reference from a VB.net module?

Thanks in advance for any insight

-Paul