Create a WPF-Based Domain-Specific Language
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
You can create a domain-specific language that has a WPF designer instead of a graphical designer.
Information and samples about this feature can be found on the Visual Studio Visualization and Modeling Tools website at http://go.microsoft.com/fwlink/?LinkId=186128