Imports Infragistics.Win
Imports Infragistics.Win.UltraWinSchedule
Imports System.IO
Imports System.Globalization
Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click
' ReminderImage を感嘆符に設定します
Me.ultraCalendarInfo1.ReminderImage = SystemIcons.Exclamation.ToBitmap()
End Sub