Popup MessageBox Control

<UserControl x:Class="MessageBox.Page"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:liquidPopup="clr-namespace:Liquid;assembly=Liquid.Popup"
Width="400" Height="300">
<Canvas x:Name="LayoutRoot" Background="White">
<Button x:Name="messageboxButton" Canvas.Left="16" Canvas.Top="8" Width="250" Height="32" Content="MessageBox Dialog" Cursor="Hand" Click="MessageBox_ButtonClick" />
<liquidPopup:MessageBox x:Name="messageBoxDialog" Canvas.Left="50" Canvas.Top="50" />
</Canvas>
</UserControl>