本文整理汇总了VB.NET中System.Windows.Forms.ControlEventHandler代理的典型用法代码示例。如果您正苦于以下问题:VB.NET ControlEventHandler代理的具体用法?VB.NET ControlEventHandler怎么用?VB.NET ControlEventHandler使用的例子?那么恭喜您, 这里精选的代理代码示例或许可以为您提供帮助。
在下文中一共展示了ControlEventHandler代理的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: BindControl
Private Sub BindControl()
' Create the binding first. The OrderAmount is typed as Decimal.
Dim b As New Binding("Text", ds, "customers.custToOrders.OrderAmount")
' Add the delegates to the events.
AddHandler b.Format, AddressOf DecimalToCurrencyString
AddHandler b.Parse, AddressOf CurrencyStringToDecimal
text1.DataBindings.Add(b)
End Sub
Private Sub DecimalToCurrencyString(sender As Object, cevent As ConvertEventArgs)
' Check for the appropriate DesiredType.
If cevent.DesiredType IsNot GetType(String) Then
Return
End If
' Use the ToString method to format the value as currency ("c").
cevent.Value = CDec(cevent.Value).ToString("c")
End Sub
Private Sub CurrencyStringToDecimal(sender As Object, cevent As ConvertEventArgs)
' Check for the appropriate DesiredType.
If cevent.DesiredType IsNot GetType(Decimal) Then
Return
End If
' Convert the string back to decimal using the static Parse method.
cevent.Value = Decimal.Parse(cevent.Value.ToString, _
NumberStyles.Currency, nothing)
End Sub