How to make a WPF documentviewer scrollable by hand gesture

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C#

WPF

Kinect

SDK

I am creating a Gesture Based System using WPF,C# and Kinect SDK v2 and open a docx file after tracking the finger on the Table surface. Now i would like to scroll up and down that document file by giving some Gesture (like WAVE which Kinect SDK already have but it needs Body tracking and i am tracking the hand only)

Any idea if Kinect have some in built tool to achieve the same (Scrollable document) or how to achieve it.

Please suggest.

What I have tried:

Tried google and posted on msdn but no luck.
https://social.msdn.microsoft.com/Forums/en-US/0ce6ad3e-736a-47d1-9787-205f49238b28/how-to-make-a-documentviewer-scrollable?forum=kinectv2sdk