适用于 Windows 的 .Net 检查器
我正在开发一个基于 .Net Framework 的 C# 应用程序。问题是在某些计算机上没有.Net。那么是否有一个应用程序（最好是免费的）可以检查它并建议下载（如果没有 .Net 可用），我可以在安装程序期间运行，或者一个应用程序将我的程序集与 .net 程序集包装在一起，这样我就不会安装.net才能运行？
注意：我使用的是 nullsoft 安装程序。我需要安装3.5框架。
非常感谢。
I'm developing an application in C# based on the .Net Framework. The problem is that on certain computers there is no .Net. So is there a app (preferably free) that can check it and suggest a download if no .Net is available that i can run during the installer, or an app that wraps my assembly with the .net assemblys so that i wouldn't have to have .net insalled in order to run?
Note: I am using the nullsoft installer. And I need to install the 3.5 framework.
Thank you very much.
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有两种方法可以处理这个问题。您需要为您的应用程序列出先决条件。您至少需要指定您愿意支持的最低 Windows 版本。您还可以添加 Windows 安装具有您需要的 .NET Framework 版本的要求。绝大多数机器都满足此要求列表。
或者您可以为您的应用程序创建一个安装项目。安装 .NET 的引导程序将自动添加，大约需要 5 分钟才能完成。 Express 版本不支持。
Two ways to handle this. You need to make a list of prerequisites for your app. You at least need to specify the minimum Windows version that you are willing to support. And you can add the requirement that the Windows install has the .NET framework version you need. The vast majority of machines will meet this requirements list.
Or you could create a Setup project for your app. The bootstrapper that installs .NET will automatically be added, takes about 5 minutes to get this done. Not supported by the Express edition.
我不确定您使用什么作为安装程序，但一个简单且免费的选项是使用 Visual Studio 中的安装和部署项目。
将主项目的输出添加到安装和部署项目后，将检测框架依赖项，并且将提示用户安装 .NET（如果尚未安装）。
I'm not sure what you are using as an Installer, but an easy and free option would be to use a Setup and Deployment Project in Visual Studio.
Once you add the output of your main project to the Setup and Deployment Project, the Framework dependency will be detected and the user will be prompted to install .NET if it is not already installed.
在 .NET 中创建安装/部署项目。如果用户尝试安装应用程序时未安装 .NET，安装向导将强制最终用户通过 GUI 下载 .NET 框架。
Create a setup/deployment project in .NET. If .NET isn't installed when the user attempts to install your application, the installation wizard will force your end user to download the .NET framework through the GUI.
如果您通过部署项目创建安装程序，则有一个先决条件设置，您可以在其中指定是否将 .net Framework 与您的安装程序捆绑在一起，还是从 Internet 下载它
if you are creating the installer through deployment project then there is a prerequisite settings in which you can specify whether to bundle .net framework along with your installer or have it downloaded from the internet
我不熟悉 nullsoft 安装程序，所以我无法帮助您，但 Microsoft 为各种版本的 .Net 框架提供了“可再发行”包，以便将其包含在您的应用程序部署中。
如果您预计必须将其安装在尚未安装正确版本的计算机上，那么您可以在安装程序中添加一个步骤来执行可再发行组件，并将其包含在部署包中。
3.5 可再发行组件的直接链接为 下载网页在这里< /a>.
这取决于你是否愿意这样做；它看起来像一个 22 MB 的文件，因此如果您担心大小，那么包含一个提示用户下载并安装正确版本的条件可能是更好的解决方案。正如我所提到的，我不熟悉 nullsoft 安装程序，因此我无法建议如何执行此操作。
I'm not familiar with the nullsoft installer, so I can't help you out there, but Microsoft provides "redistributable" packages for the various versions of the .Net framework for the purpose of including it with the deployment of your application.
If you anticipate having to install it on a machine that doesn't already have the correct version, then you might be able to add a step into your installer to execute the redistributable, which you would include in your deployment package.
A direct link to the 3.5 redistributable is located here. The download webpage is here.
It's up to you whether you want to do this; it looks like a 22 MB file, so if size is a concern for you then it might be a better solution to include a condition that prompts the user to download and install the correct version. As I mentioned, I'm not familiar with the nullsoft installer, so I can't advise how to do that.