<Window x:Class="WpfThemedApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525"
        xmlns:custom="clr-namespace:ControlLibrary;assembly=ControlLibrary">
    <custom:MyButton Content="OK"/>
</Window>
