The DevTV videos are one of the best ways for new Revit programmers to start to get their head around things, and they have been updated for Revit 2015. Links:

  • DevTV Introduction to Revit 2015 Programming Part 1 – a short video tutorial demonstrating the basic steps to start developing with the Revit .NET API – View online | Download
  • DevTV Introduction to Revit 2015 Programming Part 2 – a short video tutorial demonstrating selection and filtering API through a Room Renumbering application – View online | Download
  • Revit 2015 API Labs

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The Building Coder: On Handling Warnings and Failures