Form1.vb 1.0 KB

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  1. Public Class Form1
  2. Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
  3. ListBox1.Items.Add(TextBox2.Text)
  4. ListBox1.TopIndex = ListBox1.Items.Count - 1
  5. End Sub
  6. Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
  7. ListBox1.Items.Remove(ListBox1.SelectedItem)
  8. End Sub
  9. Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
  10. TextBox1.Text = ""
  11. Dim firstitem As Boolean = True
  12. For Each i As String In ListBox1.Items
  13. If (firstitem) Then
  14. TextBox1.Text = i
  15. firstitem = False
  16. Else
  17. TextBox1.Text = TextBox1.Text + " --> " + i
  18. End If
  19. Next
  20. End Sub
  21. Private Sub TextBox2_KeyDown(sender As Object, e As KeyEventArgs) Handles TextBox2.KeyDown
  22. If e.KeyCode = Keys.Enter Then
  23. ListBox1.Items.Add(TextBox2.Text)
  24. ListBox1.TopIndex = ListBox1.Items.Count - 1
  25. End If
  26. End Sub
  27. End Class