Disclaimer: This blog post discusses features in the TFS 2010 Beta 1 release. Some of these features might be changed in the RTM release. In TFS 2010, Microsoft has changed the build orchestration language in Team Build from MSBuild to Windows Workflow 4.0. Aaron Hallberg has written a post on how to implement a custom workflow activity using either the workflow designer or using a code activity that composes an activity. In this post, I will show how to implement a “pure” code activity, i.e. no...