本文整理汇总了VB.NET中System.EventArgs.Empty字段的典型用法代码示例。如果您正苦于以下问题:VB.NET EventArgs.Empty字段的具体用法?VB.NET EventArgs.Empty怎么用?VB.NET EventArgs.Empty使用的例子?那么, 这里精选的字段代码示例或许可以为您提供帮助。您也可以进一步了解该字段所在类System.EventArgs
的用法示例。
在下文中一共展示了EventArgs.Empty字段的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: 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