There’s still an error in the WPF example (https://developer.tobii.com/consumer-eye-trackers/core-sdk/getting-started/)
The line
xmlns:tobii=”clr-namespace:Tobii.EyeX.Wpf;assembly=Tobii.EyeX.Net”
should be
xmlns:tobii=”clr-namespace:Tobii.Interaction.Wpf;assembly=Tobii.Interaction.Net”