Xyroid 

Originally developed by Torsten Mandelkow. NuGet package created by Farhan Ghumra https://modernuicharts.codeplex.com/

Watermark Textbox For C#/XAML WinRT Apps

DatePicker by Farhan Ghumra. Original Source : https://github.com/jasonmitchell/WinRT-XAML-DatePicker

Microsoft's documentation & sample for printing is too much complex. So here's helper class to simplify printing text box content.