: <Window x:Class="TestDpOnUc.MainWindow"     xmlns="http://schemas.microsoft.com/winfx/0000/xaml/presentation"     xmlns:uc="clr-namespace:TestDpOnUc"     xmlns:x="http://schemas.microsoft.com/winfx/0000/xaml"     Title="MainWindow" Height="000" Width="000"> <Grid>     <uc:TestUc NameC="