How to Use the Date Picker Control

<UserControl x:Class="DatePicker.Page"
xmlns="http://schemas.microsoft.com/client/2007"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:liquid="clr-namespace:Liquid;assembly=Liquid"
Width="400" Height="300">
<Canvas>
<liquid:DatePickerPlus x:Name="testPicker" Canvas.Left="10" Canvas.Top="10" Width="200" />
</Canvas>
</UserControl>