When working with WPF projects in Visual Studio, you can add WPF Windows, Pages, User Controls and Resource Dictionaries to a project by right clicking on the project and selecting Add > Window..., Add > Page..., Add > User Control... or Add > Resource Dictionary... menu options. The problem I run into is that these menu options are only available if you selected one of the WPF project templates when adding the project to your solution. How can we add WPF items to existing projects in ......