本文整理汇总了VB.NET中System.Configuration.Install.Installer.BeforeRollback事件的典型用法代码示例。如果您正苦于以下问题：VB.NET Installer.BeforeRollback事件的具体用法？VB.NET Installer.BeforeRollback怎么用？VB.NET Installer.BeforeRollback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.Configuration.Install.Installer的用法示例。
在下文中一共展示了Installer.BeforeRollback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: MyInstallerClass
' 导入命名空间
Imports System.Collections
Imports System.ComponentModel
Imports System.Configuration.Install
' Set 'RunInstaller' attribute to true.
<RunInstaller(True)> _
Public Class MyInstallerClass
Inherits Installer
Public Sub New()
MyBase.New()
' Attach the 'BeforeRollback' event.
AddHandler Me.BeforeRollback, AddressOf MyInstaller_BeforeRollBack
' Attach the 'AfterRollback' event.
AddHandler Me.AfterRollback, AddressOf MyInstaller_AfterRollback
End Sub
' Event handler for 'BeforeRollback' event.
Private Sub MyInstaller_BeforeRollBack(sender As Object, e As InstallEventArgs)
Console.WriteLine("")
Console.WriteLine("BeforeRollback Event occurred.")
Console.WriteLine("")
End Sub
' Event handler for 'AfterRollback' event.
Private Sub MyInstaller_AfterRollback(sender As Object, e As InstallEventArgs)
Console.WriteLine("")
Console.WriteLine("AfterRollback Event occurred.")
Console.WriteLine("")
End Sub
' Override the 'Install' method.
Public Overrides Sub Install(savedState As IDictionary)
MyBase.Install(savedState)
' Explicitly throw an exception so that roll back is called.
Throw New ArgumentException("Arg Exception")
End Sub
' Override the 'Commit' method.
Public Overrides Sub Commit(savedState As IDictionary)
MyBase.Commit(savedState)
End Sub
' Override the 'Rollback' method.
Public Overrides Sub Rollback(savedState As IDictionary)
MyBase.Rollback(savedState)
End Sub
Public Shared Sub Main()
Console.WriteLine("Usage : installutil.exe Installer_BeforeRollback.exe ")
End Sub
End Class