help me with usercontrol

i have created an user control and have added it into my form.

i have coded the usercontrol as when got focus its value increases by 1 and an msgbox showing its value is displayed. when i had run the form and set the focus to the usercontrol it messaged the increasing value of the control 39 times

Code:

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Private Sub MyComboTxt_GotFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.GotFocus
        MyCombo.Visible = True
        MyCombo.Focus()
        MyLabel.Visible = False
        MyCombo.Text = MyLabel.Text
        If Len(Trim(MyCombo.Text)) <> 0 And MyCombo.Items.Count <> 0 Then
            MyCombo.DroppedDown = True
            MyCombo.SelectAll()
        End If
        MyCombo.Text = MyCombo.Text + 1
        MsgBox(MyCombo.Text)
end sub

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actually i wanted an user control which has 2 object, one label and one combo box.

when the control has the focus(label is not visible) it must allow the user to select an item from the combo list and when it loses its focus(combo is not visible) it must set the value of the label to its text

What you're asking for is not possible. If you have a UserControl with only a Label on it then there's nothing to receive focus. You could handle the Click event of the Label and display the ComboBox again but you won't be able to tab to it.