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Combox propertyies in .NET

Posted on 2013-06-03
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Last Modified: 2013-06-03
Hi Experts,
I have three comboboxes in my .NET application.  I want to name the comboboxes the same (i.e. cboTEST), and give each a different INDEX number (i.e.  cboTEST(0), cboTEST(1), and cboTEST(3)).  How can I do this in .NET?  I used to be able to do this in VB6.

Thanks in advance,
mrotor
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Question by:mainrotor
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Mike Tomlinson earned 500 total points
ID: 39217150
You don't need control arrays in VB.Net.

The Index in VB6 allowed you to identify which control fired the event.  In VB.Net, you can wire up multiple controls to the same handler and then use the "sender" parameter to determine which control fired the event.

You can do this by adding more than one control to the "Handles" clause at the end of the handler like this:
    Private Sub ComboBoxes_SelectedIndexChanged(sender As System.Object, e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged, ComboBox2.SelectedIndexChanged, ComboBox3.SelectedIndexChanged
        Dim cb As ComboBox = DirectCast(sender, ComboBox)
        If cb.SelectedIndex <> -1 Then
            Debug.Print(cb.Name & " --> " & cb.SelectedIndex & ": " & cb.SelectedItem)
        End If
    End Sub

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LVL 85

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by:Mike Tomlinson
ID: 39217380
BTW...welcome to the world of .Net!  =)
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