how to identity if user clicked on a date in DateTimePicker calendar

Question

I don\'t want the date to change when user clicks out of the calender without clicking on a date. The problem is One Date is always selected when the datepickercalendar open

Answer 1

Private Sub DateTimePicker1_ValueChanged(ByVal sender As Object, ByVal e As EventArgs) Handles DateTimePicker1.ValueChanged
    Label42.Text = String.Format("{0:dd-MMM-yyyy HH:mm:ss}", DateTimePicker1.Value)
End Sub

Private Sub DateTimePicker1_DropDown(ByVal sender As Object, ByVal e As EventArgs) Handles DateTimePicker1.DropDown
    RemoveHandler DateTimePicker1.ValueChanged, AddressOf DateTimePicker1_ValueChanged
End Sub

Private Sub DateTimePicker1_CloseUp(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DateTimePicker1.CloseUp
    AddHandler DateTimePicker1.ValueChanged, AddressOf DateTimePicker1_ValueChanged
    Call DateTimePicker1_ValueChanged(sender, EventArgs.Empty)
End Sub