hello, i want to have 10 buttons on a form and all will do almost
exactly the same thing except for one differnece. can i use the tag
property of each button in the same sub?
private sub allbuttonsclick (ByVal sender As System.Object, ByVal e As
System.EventArgs) _
Handles Button1.Click, Button2.Click, Button3.Click,
Button4.Click, Button5.Click, Button6.Click, Button7.Click,
Button8.Click, Button9.Click, Button10.Click
select case "thebutton's tag"
case 1
case 2
case 3
etc....
end sub
if i can't do this is there a betters way?
thanks!
AP 5 8037
Hi,
You can use the tag property or Use the is clause in an if then
statement.
Dim btn As Button = sender
Dim strTag As String
strTag = CType(btn.Tag, String)
Select Case strTag
Case "A"
' do something
Case "B"
' do something
Case "C"
' do something
End Select
' or Method 2
If btn Is Button1 Then
' do something
ElseIf btn Is Button2 Then
' do something else
ElseIf btn Is Button3 Then
' etc.....
End If
Ken
--------------------
"Antonio Policelli" <bl*****@yahoo.com> wrote in message
news:62**************************@posting.google.c om... hello, i want to have 10 buttons on a form and all will do almost exactly the same thing except for one differnece. can i use the tag property of each button in the same sub?
private sub allbuttonsclick (ByVal sender As System.Object, ByVal e As System.EventArgs) _ Handles Button1.Click, Button2.Click, Button3.Click, Button4.Click, Button5.Click, Button6.Click, Button7.Click, Button8.Click, Button9.Click, Button10.Click
select case "thebutton's tag" case 1
case 2
case 3
etc....
end sub
if i can't do this is there a betters way?
thanks! AP
Hi Antonio, yes.
VB.NET now provides a more robust event model, you can use the sender
property to determine which button control sent the click event:
Private Sub AllButtonsClick(ByVal sender As Object, ByVal e As EventArgs)
Handles ...
If sender Is Button1 Then
...
ElseIf sender Is Button2 Then
...
ElseIf sender Is Button3 Then
...
Else
...
End If
End Sub
--
HTH,
-- Tom Spink, Über Geek
Please respond to the newsgroup,
so all can benefit
" System.Reflection Master "
==== Converting to 2002 ====
Remove inline declarations
"Antonio Policelli" <bl*****@yahoo.com> wrote in message
news:62**************************@posting.google.c om... hello, i want to have 10 buttons on a form and all will do almost exactly the same thing except for one differnece. can i use the tag property of each button in the same sub?
private sub allbuttonsclick (ByVal sender As System.Object, ByVal e As System.EventArgs) _ Handles Button1.Click, Button2.Click, Button3.Click, Button4.Click, Button5.Click, Button6.Click, Button7.Click, Button8.Click, Button9.Click, Button10.Click
select case "thebutton's tag" case 1
case 2
case 3
etc....
end sub
if i can't do this is there a betters way?
thanks! AP
Hi Ken, Have you enabled Option Strict? Dim btn As Button = sender
Should be:
Dim btn As Button = CType(sender, Button)
or
Dim btn As Button = DirectCast(sender, Button)
(Personally I prefer DirectCast, as I know that sender is going to be a
Button)
--
HTH,
-- Tom Spink, Über Geek
Please respond to the newsgroup,
so all can benefit
" System.Reflection Master "
==== Converting to 2002 ====
Remove inline declarations
"Ken Tucker [MVP]" <vb***@bellsouth.net> wrote in message
news:e9**************@tk2msftngp13.phx.gbl... Hi,
You can use the tag property or Use the is clause in an if then statement.
Dim btn As Button = sender
Dim strTag As String
strTag = CType(btn.Tag, String)
Select Case strTag
Case "A"
' do something
Case "B"
' do something
Case "C"
' do something
End Select
' or Method 2
If btn Is Button1 Then
' do something
ElseIf btn Is Button2 Then
' do something else
ElseIf btn Is Button3 Then
' etc.....
End If
Ken
--------------------
"Antonio Policelli" <bl*****@yahoo.com> wrote in message news:62**************************@posting.google.c om... hello, i want to have 10 buttons on a form and all will do almost exactly the same thing except for one differnece. can i use the tag property of each button in the same sub?
private sub allbuttonsclick (ByVal sender As System.Object, ByVal e As System.EventArgs) _ Handles Button1.Click, Button2.Click, Button3.Click, Button4.Click, Button5.Click, Button6.Click, Button7.Click, Button8.Click, Button9.Click, Button10.Click
select case "thebutton's tag" case 1
case 2
case 3
etc....
end sub
if i can't do this is there a betters way?
thanks! AP
Hi Antonio,
This I have sended yesterday to Dino.b. B.
It is not exact the same as you ask, but it has the same solution for your
problem.
(it is a calender that has as much buttons as the month, you have only 10)
It builds buttons dynamicly and you can catch the events if you set the
right handles.
In this example it is only the click event.
\\\
Private mybutton(31) As Button
Private Sub Form1_Load(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles MyBase.Load
Dim start As Integer = 4
Dim top As Integer = 25
Dim i As Integer
For i = 0 To System.DateTime.DaysInMonth(2003, 10) - 1
mybutton(i) = New Button
mybutton(i).TextAlign = ContentAlignment.MiddleCenter
mybutton(i).Width = 40
mybutton(i).Height = 20
mybutton(i).FlatStyle = FlatStyle.Flat
mybutton(i).BackColor = Drawing.Color.AntiqueWhite
mybutton(i).Location = New System.Drawing.Point(start, top)
mybutton(i).Text = (i + 1).ToString
mybutton(i).Cursor = Cursors.Hand
Me.Controls.Add(mybutton(i))
AddHandler mybutton(i).Click, AddressOf mybutton_Click
start = start + 40
If (i + 1) Mod 5 = 0 Then
top = top + 20
start = 4
End If
Next
End Sub
Private Sub mybutton_Click _
(ByVal sender As Object, ByVal e As System.EventArgs)
Dim month As Button = DirectCast(sender, Button)
MessageBox.Show("The day is: " & month.Text)
End Sub
End Class
///
I hope this helps a little bit
Cor
* bl*****@yahoo.com (Antonio Policelli) scripsit: hello, i want to have 10 buttons on a form and all will do almost exactly the same thing except for one differnece. can i use the tag property of each button in the same sub?
private sub allbuttonsclick (ByVal sender As System.Object, ByVal e As System.EventArgs) _ Handles Button1.Click, Button2.Click, Button3.Click, Button4.Click, Button5.Click, Button6.Click, Button7.Click, Button8.Click, Button9.Click, Button10.Click
Why not this:
\\\
Select Case True
Case sender Is Button1
...
Case sender IS Button2
...
...
End Select
///
--
Herfried K. Wagner
MVP · VB Classic, VB.NET
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