MSBuild: Task to embedding a file before compilation

I have the following need:

I'll have to create an MSBuild task that will produce an xml file, which I then need to embed as a resource to one of the projects being built. How do I change my MSBuild proj to accomplish that? Is there a built-in task I can use for embedding the file, or do I need to create one? If the latter, any direction on that would be great.

Thanks in advance!

Update: based on the suggestions given, I've ended up adding an empty xml file to the project as a resource, creating a simple MSBuild custom task (http://bartdesmet.net/blogs/bart/archive/2008/02/15/the-custom-msbuild-task-cookbook.aspx) that writes content to that file as I need it, and running that task as a "BeforeBuild" target. Works like a charm. Note that I've had to "exclude the file from source control", so it won't get checked out every time I build the project, 开发者_StackOverflow中文版and I've also added some code to the task to make sure the file isn't read-only (http://www.del337ed.com/blog/index.php/2007/09/05/clearing-the-read-only-flag-on-a-file-in-c/).

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If you don't need to create the whole Xml file from scratch and could add a stubb file to your project you could use the XmlPoke Task to update this file in the BeforeBuild Target (see Sergios answer).

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You can use builtin in your .csproj/.vbproj file target BeforeBuild (not forget to uncomment it) and call required MSBuild task in BeforeTarget. In that project add that resource as embedded. That's all.