本文整理匯總了VB.NET中System.Configuration.Install.Installer.BeforeRollback事件的典型用法代碼示例。如果您正苦於以下問題：VB.NET Installer.BeforeRollback事件的具體用法？VB.NET Installer.BeforeRollback怎麽用？VB.NET Installer.BeforeRollback使用的例子？那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。您也可以進一步了解該事件所在類System.Configuration.Install.Installer的用法示例。
在下文中一共展示了Installer.BeforeRollback事件的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: MyInstallerClass
' 導入命名空間
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