本文整理汇总了VB.NET中System.Windows.Forms.DateTimePicker.DropDown事件的典型用法代码示例。如果您正苦于以下问题：VB.NET DateTimePicker.DropDown事件的具体用法？VB.NET DateTimePicker.DropDown怎么用？VB.NET DateTimePicker.DropDown使用的例子？那么, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Windows.Forms.DateTimePicker的用法示例。
在下文中一共展示了DateTimePicker.DropDown事件的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1:
' When the calendar drops down, display a MessageBox indicating
' that DateTimePicker will not accept dates before MinDateTime or
' after MaxDateTime. Use a StringBuilder object to build the string
' for efficiency.
Private Sub DateTimePicker1_DropDown(ByVal sender As Object, _
ByVal e As EventArgs) Handles DateTimePicker1.DropDown
Dim messageBuilder As New System.Text.StringBuilder
messageBuilder.Append("Choose a date after: ")
messageBuilder.Append(DateTimePicker.MinDateTime.ToShortDateString)
messageBuilder.Append(" and a date before: ")
messageBuilder.Append(DateTimePicker.MaxDateTime.ToShortDateString)
MessageBox.Show(messageBuilder.ToString())
End Sub