如何从提升权限的WiX运行ngen？

Question

我正在尝试使用this article将ngen包含到我的安装程序中。我想在安装期间同步运行ngen（优先级= 0），但它需要管理权限才能运行。所以，现在我在日志中有以下消息：

MSI (s) (74:2C) [18:30:14:310]: Invoking remote custom action. DLL: C:\windows\Installer\MSI60B0.tmp, Entrypoint: ExecNetFx
ExecNetFx:  Microsoft (R) CLR Native Image Generator - Version 4.0.30319.1
ExecNetFx:  Copyright (c) Microsoft Corporation.  All rights reserved.
ExecNetFx:  Installing assembly C:\myapp\myapp.exe
ExecNetFx:  Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
ExecNetFx:  Administrator permissions are needed to use the selected options.  Use an administrator command prompt to complete these tasks.
ExecNetFx:  Error 0xffffffff: Command line returned an error.
ExecNetFx:  failed to execute Ngen command (with error 0xffffffff): C:\windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe install "C:\myapp\myapp.exe", continuing anyway
ExecNetFx:  Microsoft (R) CLR Native Image Generator - Version 4.0.30319.1
ExecNetFx:  Copyright (c) Microsoft Corporation.  All rights reserved.
ExecNetFx:  Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
ExecNetFx:  Administrator permissions are needed to use the selected options.  Use an administrator command prompt to complete these tasks.
ExecNetFx:  Error 0xffffffff: Command line returned an error.
ExecNetFx:  failed to execute Ngen command (with error 0xffffffff): C:\windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe update /queue, continuing anyway

当ngen启动时，是否有简单的方法询问用户管理权限（使用标准的UAC提示）？如果用户按“否”，我想在没有ngen的情况下继续。如果是 - 运行ngen并预编译我的应用程序。 有什么想法吗？

感谢。

Answer 1

WiX已经提升了NGen自定义操作（Execute =“deferred”Impersonate =“no”）。您的.msi包必须是每台机器才能运行它们。