本文整理匯總了VB.NET中System.EventArgs.Empty字段的典型用法代碼示例。如果您正苦於以下問題：VB.NET EventArgs.Empty字段的具體用法？VB.NET EventArgs.Empty怎麽用？VB.NET EventArgs.Empty使用的例子？那麽, 這裏精選的字段代碼示例或許可以為您提供幫助。您也可以進一步了解該字段所在類System.EventArgs的用法示例。
在下文中一共展示了EventArgs.Empty字段的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: Module1
Module Module1
Sub Main()
Dim c As Counter = New Counter(New Random().Next(10))
AddHandler c.ThresholdReached, AddressOf c_ThresholdReached
Console.WriteLine("press 'a' key to increase total")
While Console.ReadKey(True).KeyChar = "a"
Console.WriteLine("adding one")
c.Add(1)
End While
End Sub
Sub c_ThresholdReached(sender As Object, e As EventArgs)
Console.WriteLine("The threshold was reached.")
Environment.Exit(0)
End Sub
End Module
Class Counter
Private threshold As Integer
Private total As Integer
Public Sub New(passedThreshold As Integer)
threshold = passedThreshold
End Sub
Public Sub Add(x As Integer)
total = total + x
If (total >= threshold) Then
OnThresholdReached(EventArgs.Empty)
End If
End Sub
Protected Overridable Sub OnThresholdReached(e As EventArgs)
RaiseEvent ThresholdReached(Me, e)
End Sub
Public Event ThresholdReached As EventHandler
End Class