I am planning to develop an app to support multi-touch feature running on Windows 10, and wonder to know if ArcGIS Runtime SDK for .NET support this feature?
Yup, multi touch on the MapView and SceneView is full supported for pan, zoom, rotate, tilt etc.
If you're writing a Windows 10 UWP app then you'll want to look out for next major release of ArcGIS Runtime SDK for .NET which provides support for UWP app development. We're planning a beta within the next few months and targeting the commercial release later this year.
Although the current 10.2.7 release of ArcGIS Runtime SDK for .NET does not officially support UWP development, you could use the included Store 8.1 API to prototype your UWP app.
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