TransactedInstaller.Uninstall メソッド
アセンブリ: System.Configuration.Install (system.configuration.install.dll 内)


このメソッドを呼び出して、以前にインストールした内容を削除します。この Uninstall メソッドは、Installers プロパティ内の各インストーラの Uninstall メソッドを呼び出して、インストール中に設定されたすべてのリソースをアンインストールします。アンインストール中の例外はすべて無視されます。
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Install メソッドおよび Commit メソッドはインストール後のコンピュータの状態を保存しますが、savedState パラメータからの IDictionary を保持しているファイルが、インストール完了後のある時点で削除されている可能性があります。ファイルが削除されている場合、savedState パラメータは null 参照 (Visual Basic では Nothing) です。 |

TransactedInstaller クラスの TransactedInstaller、Install、Uninstall の各メソッドの例を次に示します。
インストーラ ツール (Installutil.exe) の実装に類似した実装の例を次に示します。特定のアセンブリの前にオプションを指定して、アセンブリをインストールします。アセンブリに対してオプションが指定されていない場合、直前のアセンブリがリストにある場合は、直前のアセンブリのオプションが使用されます。"/u" オプションまたは "/uninstall" オプションのいずれかを指定した場合、アセンブリはアンインストールされます。"/?" オプションまたは "/help" オプションが指定された場合は、ヘルプ情報がコンソールに表示されます。
Dim options As New ArrayList() Dim myOption As String Dim toUnInstall As Boolean = False Dim toPrintHelp As Boolean = False Dim myTransactedInstaller As New TransactedInstaller() Dim myAssemblyInstaller As AssemblyInstaller Dim myInstallContext As InstallContext Try Dim i As Integer For i = 1 To args.Length - 1 ' Process the arguments. If args(i).StartsWith("/") Or args(i).StartsWith("-") Then myOption = args(i).Substring(1) ' Determine whether the option is to 'uninstall' an assembly. If String.Compare(myOption, "u", True) = 0 Or _ String.Compare(myOption,"uninstall", True) = 0 Then toUnInstall = True GoTo ContinueFor1 End If ' Determine whether the option is for printing help information. If String.Compare(myOption, "?", True) = 0 Or _ String.Compare(myOption, "help", True) = 0 Then toPrintHelp = True GoTo ContinueFor1 End If ' Add the option encountered to the list of all options ' encountered for the current assembly. options.Add(myOption) Else ' Determine whether the assembly file exists. If Not File.Exists(args(i)) Then ' If assembly file doesn't exist then print error. Console.WriteLine(ControlChars.Newline + _ "Error : {0} - Assembly file doesn't exist.", args(i)) Return End If ' Create a instance of 'AssemblyInstaller' that installs the given assembly. myAssemblyInstaller = New AssemblyInstaller(args(i), _ CType(options.ToArray(GetType(String)), String())) ' Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'. myTransactedInstaller.Installers.Add(myAssemblyInstaller) End If ContinueFor1: Next i ' If user requested help or didn't provide any assemblies to install ' then print help message. If toPrintHelp Or myTransactedInstaller.Installers.Count = 0 Then PrintHelpMessage() Return End If ' Create a instance of 'InstallContext' with the options specified. myInstallContext = New InstallContext("Install.log", _ CType(options.ToArray(GetType(String)), String())) myTransactedInstaller.Context = myInstallContext ' Install or Uninstall an assembly depending on the option provided. If Not toUnInstall Then myTransactedInstaller.Install(New Hashtable()) Else myTransactedInstaller.Uninstall(Nothing) End If Catch e As Exception Console.WriteLine(ControlChars.Newline + "Exception raised : {0}", e.Message) End Try
ArrayList myOptions = new ArrayList(); String myOption; bool toUnInstall = false; bool toPrintHelp = false; TransactedInstaller myTransactedInstaller = new TransactedInstaller(); AssemblyInstaller myAssemblyInstaller; InstallContext myInstallContext; try { for(int i = 0; i < args.Length; i++) { // Process the arguments. if(args[i].StartsWith("/") || args[i].StartsWith("-")) { myOption = args[i].Substring(1); // Determine whether the option is to 'uninstall' an assembly. if(String.Compare(myOption, "u", true) == 0 || String.Compare(myOption, "uninstall", true) == 0) { toUnInstall = true; continue; } // Determine whether the option is for printing help information. if(String.Compare(myOption, "?", true) == 0 || String.Compare(myOption, "help", true) == 0) { toPrintHelp = true; continue; } // Add the option encountered to the list of all options // encountered for the current assembly. myOptions.Add(myOption); } else { // Determine whether the assembly file exists. if(!File.Exists(args[i])) { // If assembly file doesn't exist then print error. Console.WriteLine("\nError : {0} - Assembly file doesn't exist." , args[i]); return; } // Create a instance of 'AssemblyInstaller' that installs the given assembly. myAssemblyInstaller = new AssemblyInstaller(args[i], (string[]) myOptions.ToArray(typeof(string))); // Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'. myTransactedInstaller.Installers.Add(myAssemblyInstaller); } } // If user requested help or didn't provide any assemblies to install // then print help message. if(toPrintHelp || myTransactedInstaller.Installers.Count == 0) { PrintHelpMessage(); return; } // Create a instance of 'InstallContext' with the options specified. myInstallContext = new InstallContext("Install.log", (string[]) myOptions.ToArray(typeof(string))); myTransactedInstaller.Context = myInstallContext; // Install or Uninstall an assembly depending on the option provided. if(!toUnInstall) myTransactedInstaller.Install(new Hashtable()); else myTransactedInstaller.Uninstall(null); } catch(Exception e) { Console.WriteLine("\nException raised : {0}", e.Message); }
array<String^>^ args = Environment::GetCommandLineArgs(); ArrayList^ myOptions = gcnew ArrayList; String^ myOption; bool toUnInstall = false; bool toPrintHelp = false; TransactedInstaller^ myTransactedInstaller = gcnew TransactedInstaller; AssemblyInstaller^ myAssemblyInstaller; InstallContext^ myInstallContext; try { for ( int i = 1; i < args->Length; i++ ) { // Process the arguments. if ( args[ i ]->StartsWith( "/" ) || args[ i ]->StartsWith( "-" ) ) { myOption = args[ i ]->Substring( 1 ); // Determine whether the option is to 'uninstall' an assembly. if ( String::Compare( myOption, "u", true ) == 0 || String::Compare( myOption, "uninstall", true ) == 0 ) { toUnInstall = true; continue; } // Determine whether the option is for printing help information. if ( String::Compare( myOption, "?", true ) == 0 || String::Compare( myOption, "help", true ) == 0 ) { toPrintHelp = true; continue; } // Add the option encountered to the list of all options // encountered for the current assembly. myOptions->Add( myOption ); } else { // Determine whether the assembly file exists. if ( !File::Exists( args[ i ] ) ) { // If assembly file doesn't exist then print error. Console::WriteLine( "\nError : {0} - Assembly file doesn't exist." , args[ i ] ); return 0; } // Create a instance of 'AssemblyInstaller' that installs the given assembly. myAssemblyInstaller = gcnew AssemblyInstaller( args[ i ], (array<String^>^)( myOptions->ToArray( String::typeid ) ) ); // Add the instance of 'AssemblyInstaller' to the 'TransactedInstaller'. myTransactedInstaller->Installers->Add( myAssemblyInstaller ); } } // If user requested help or didn't provide any assemblies to install // then print help message. if ( toPrintHelp || myTransactedInstaller->Installers->Count == 0 ) { PrintHelpMessage(); return 0; } // Create a instance of 'InstallContext' with the options specified. myInstallContext = gcnew InstallContext( "Install.log", (array<String^>^)( myOptions->ToArray( String::typeid ) ) ); myTransactedInstaller->Context = myInstallContext; // Install or Uninstall an assembly depending on the option provided. if ( !toUnInstall ) { myTransactedInstaller->Install( gcnew Hashtable ); } else { myTransactedInstaller->Uninstall( nullptr ); } } catch ( Exception^ e ) { Console::WriteLine( "\nException raised : {0}", e->Message ); }
ArrayList myOptions = new ArrayList(); String myOption; boolean toUnInstall = false; boolean toPrintHelp = false; TransactedInstaller myTransactedInstaller = new TransactedInstaller(); AssemblyInstaller myAssemblyInstaller; InstallContext myInstallContext; try { for (int i = 0; i < args.length; i++) { // Process the arguments. if (args[i].StartsWith("/") || args[i].StartsWith("-")) { myOption = args[i].Substring(1); // Determine whether the option is to 'uninstall' an // assembly. if (String.Compare(myOption, "u", true) == 0 || String.Compare(myOption, "uninstall", true) == 0) { toUnInstall = true; continue; } // Determine whether the option is for printing help // information. if (String.Compare(myOption, "?", true) == 0 || String.Compare(myOption, "help", true) == 0) { toPrintHelp = true; continue; } // Add the option encountered to the list of all options // encountered for the current assembly. myOptions.Add(myOption); } else { // Determine whether the assembly file exists. if (!(File.Exists(args[i]))) { // If assembly file doesn't exist then print error. Console.WriteLine("\nError : {0} - Assembly file" + " doesn't exist.", args[i]); return; } // Create a instance of 'AssemblyInstaller' that installs // the given assembly. myAssemblyInstaller = new AssemblyInstaller(args[i] , ((String[])(myOptions.ToArray(String.class.ToType())))); // Add the instance of 'AssemblyInstaller' to the // 'TransactedInstaller'. myTransactedInstaller.get_Installers(). Add(myAssemblyInstaller); } } // If user requested help or didn't provide any assemblies to install // then print help message. if (toPrintHelp || myTransactedInstaller.get_Installers().get_Count() == 0) { PrintHelpMessage(); return; } // Create a instance of 'InstallContext' with the options specified. myInstallContext = new InstallContext("Install.log" , (String[])myOptions.ToArray(String.class.ToType())); myTransactedInstaller.set_Context(myInstallContext); // Install or Uninstall an assembly depending on the option provided. if (!(toUnInstall)) { myTransactedInstaller.Install(new Hashtable()); } else { myTransactedInstaller.Uninstall(null); } } catch (System.Exception e) { Console.WriteLine("\nException raised : {0}", e.get_Message()); }


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