Trigger Datepicker.valuechanged Event When Browsing Month In Date Picker?

I add a date picker as follows

Friend WithEvents dtpReportDate As System.Windows.Forms.DateTimePicker

The default date picker has left arrow and right arrow which allow you to browser previous month and following month. I add a handler to date picker valuechanged event:

AddHandler dtpReportDate.ValueChanged, AddressOf dtpReportDateChanged

Private Sub dtpReportDateChanged(ByVal sender As Object, ByVal e As System.EventArgs)

'do something here

End Sub

The problem is that whenever I click left arrow or right arrow to change month, the dptReportDateChanged is triggered. I do not want this happens. All I want is that after I find a month, I double click date to trigger the event.