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VB.NET ConvertEventHandler代理代碼示例

本文整理匯總了VB.NET中System.Windows.Forms.ConvertEventHandler代理的典型用法代碼示例。如果您正苦於以下問題:VB.NET ConvertEventHandler代理的具體用法?VB.NET ConvertEventHandler怎麽用?VB.NET ConvertEventHandler使用的例子?那麽, 這裏精選的代理代碼示例或許可以為您提供幫助。


在下文中一共展示了ConvertEventHandler代理的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

示例1: DecimalToCurrency

Private Sub DecimalToCurrency(sender As Object, cevent As ConvertEventArgs)
    ' The method converts only to string type. Test this using the 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 CurrencyToDecimal(sender As Object, cevent As ConvertEventArgs)
    ' The method converts only to decimal type. 
    If cevent.DesiredType IsNot GetType(Decimal) Then
        Return
    End If 
    ' Converts the string back to decimal using the static ToDecimal method.
    cevent.Value = Convert.ToDecimal(cevent.Value.ToString())
End Sub 


Private Sub BindControl()
    ' Creates the binding first. The OrderAmount is typed as Decimal.
    Dim b As New Binding("Text", ds, "customers.custToOrders.OrderAmount")
    ' Adds the delegates to the events.
    AddHandler b.Format, AddressOf DecimalToCurrency
    AddHandler b.Parse, AddressOf CurrencyToDecimal
    text1.DataBindings.Add(b)
End Sub
開發者ID:VB.NET開發者,項目名稱:System.Windows.Forms,代碼行數:28,代碼來源:ConvertEventHandler


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