Windows Installer 从 .Net 2.0 自定义操作到 .Net 4.0 自定义操作 - BadImageFormatException
我最近从 .Net 2.0 升级到 .Net 4.0 的应用程序遇到问题。在安装过程中，自定义操作开始执行并引发错误。
=== 记录开始：9/30/2011 2:34:09 === 错误1001。错误1001。初始化安装时发生异常： System.BadImageFormatException：无法加载文件或程序集“file:///C:\Program Files\MyPath\MyCustomAction.dll”或其依赖项之一。该程序集是由比当前加载的运行时更新的运行时构建的，无法加载。 === 日志记录已停止： 9/30/2011 2:34:30 ===
请注意，我应该先卸载旧版本的应用程序，然后安装新版本的应用程序，安装成功，不会出现错误。
我唯一能猜测的是 .Net 2.0 自定义操作无法由 Windows Installer 加载，因为它与我的应用程序最新版本使用的 .Net 4.0 框架不同。有人遇到过这个吗？
I'm having a problem with an application that I recently upgraded from .Net 2.0 to .Net 4.0. During installation, the custom action starts to execute and throws an error.
=== Logging started: 9/30/2011 2:34:09 ===
Error 1001. Error 1001. Exception occurred while initializing the installation:
System.BadImageFormatException: Could not load file or assembly 'file:///C:\Program Files\MyPath\MyCustomAction.dll' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded..
=== Logging stopped: 9/30/2011 2:34:30 ===
Note that should I uninstall the old version of the application first, then install the new version of the application, the installation succeeds without error.
The only thing I can guess is that the .Net 2.0 custom action is failing to be loaded by Windows Installer as it's not the same .Net 4.0 framework as used by the latest version of my application. Has anyone run into this?
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您必须在 vdproj 中设置运行时的条件（它不会随您的自定义操作项目更新）：
http://msdn.microsoft.com/en-us/library/kz0ke5xt.aspx
在“解决方案资源管理器”中，单击“安装”项目。
在“视图”菜单上，指向“编辑器”，然后单击“启动条件”。
单击“.NET 框架”。
在“属性”窗口中，将“版本”属性更改为您希望安装项目检查并安装的 .NET Framework 版本。
You've got to set the condition for the runtime in the vdproj (it doesn't update with your custom action project):
http://msdn.microsoft.com/en-us/library/kz0ke5xt.aspx
In Solution Explorer, click the Setup project.
On the View menu, point to Editor, and then click Launch Conditions.
Click .NET Framework.
In the Properties window, change the Version property to the version of the .NET Framework that you want the Setup project to check for and install.