2014-09-19 77 views

回答

0

您可以使用SelectionChangeCommitted事件。例如:

Private Sub ComboBox_SelectionChangeCommitted(ByVal sender As Object, ByVal e As System.EventArgs) Handles ComboBox.SelectionChangeCommitted 

    If ComboBox.SelectedValue = "" Then 
     Me.radiobutton.Text = "" 
    End If 

End Sub