如何以提升的权限从 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。我想在安装过程中同步运行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，是否有简单的方法来向用户询问管理权限（使用标准 UAC 提示符）？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？

谢谢。

Answer 1

WiX 已经运行提升的 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。