Matt Taylor of WSP raised an issue related to the use of the PromptForFamilyInstancePlacement method, now that API access is also possible in the project browser view. He also went right ahead to suggest and implement a solution: Question: One of the new features of the Revit 2014 API is the possibility to select elements within the Project Browser view. If the Project Browser view is active, selecting a ribbon control that uses PromptForFamilyInstancePlacement will fail because the user will... Read more →