MZ-Tools Articles Series: BUG: EnvDTE.CodeFunction.Attributes doesn't work with C# property get/set methods in Visual Studio macros or add-ins
Another bug of the file code model for C#:
BUG: EnvDTE.CodeFunction.Attributes doesn't work with C# property get/set methods in Visual Studio macros or add-ins
http://www.mztools.com/articles/2009/MZ2009018.aspx
It happens too in VS 2010 Beta 1, I have reported it to Microsoft. Hopefully it can get fixed.