VB.NET ComboBox - Fill From ArrayList

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Let's see how to populate a ComboBox from an arraylist in VB.NET. We will fill our VB combobox with data from arraylist then listen to the selected itm change events and show that item in a messagebox.

Let's go.

Imports System
Imports System.Collections
Imports System.Drawing
Imports System.Windows.Forms
Module Module1

    Private WithEvents comboBox As ComboBox

    Sub Main()
        Dim myForm As Form = New Form With {.Text = "WinForms ComboBox - ArrayList", .ClientSize = New Size(564, 420), .BackColor = Color.Chocolate}
        comboBox = New ComboBox With {.Location = New Point(164, 176), .DropDownStyle = ComboBoxStyle.DropDownList}
        Dim nebulae As ArrayList = New ArrayList From {"Horse Head", "Black Widow", "Ghost Head", "Cat's Eye", "Helix", "Rosette", "Ant", "Orion", "Butterfly", "Eagle", "Own", "Ring", "Pelican", "Witch Head", "Bumerang"}
        comboBox.DataSource = nebulae
    End Sub

    Private Sub comboBox_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs) Handles comboBox.SelectedIndexChanged
    End Sub
End Module

Result VB.NET ComboBox ArrayList

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