Copy comments with T4 template

I'm generating a class from an interface using T4 templates, and I want to be able to copy xml-comments from the interface to the class methods. Is it possible and if yes, how?

In my template I am just taking the interface methods and copying them like this:

foreach(var m in typeof开发者_高级运维(IFrontEndService).GetMethods()) 
{
      <#= "Some output here"; #>
}

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Unfortunately, I'm not aware of any existing public API for reading xmldoc comments. You're pretty much stuck reading the comments out of the XML file on disk. Unfortunately, mapping the member names to the identifiers used in the XML file is non-trivial. I use a variation on the approach described at http://www.binarycoder.net/fxcop/html/doccomments.html.

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One way would be using CodeModel. Here is an example of using this API in a T4 template: http://www.olegsych.com/2007/12/how-to-use-t4-to-generate-decorator-classes/