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Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click ComboBox1.Items.Add(ComboBox1.Text) ComboBox1.Text = "" ComboBox1.Select() End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click ComboBox1.Items.Remove(ComboBox1.Text) End Sub Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click ComboBox1.Items.Clear() End Sub End Class |