MainWindow.xaml
<Window x:Class="WpfApp24.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApp24"
mc:Ignorable="d"
Title="MainWindow" Height="242" Width="409">
<Grid>
<TextBox HorizontalAlignment="Left" Height="30" Margin="65,10,0,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="90"/>
<Grid HorizontalAlignment="Left" Height="125" Margin="10,60,0,0" VerticalAlignment="Top" Width="365" Background="#FF66EC49">
<Grid HorizontalAlignment="Left" Height="60" Margin="10,55,0,0" VerticalAlignment="Top" Width="150" Background="#FFEA7878">
<TextBox HorizontalAlignment="Left" Height="35" Margin="10,10,0,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="105"/>
</Grid>
<TextBox HorizontalAlignment="Left" Height="35" Margin="55,15,0,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="105"/>
<Grid HorizontalAlignment="Left" Height="60" Margin="190,55,0,0" VerticalAlignment="Top" Width="150" Background="#FF7670F7">
<TextBox HorizontalAlignment="Left" Height="35" Margin="10,10,0,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="105"/>
</Grid>
</Grid>
</Grid>
</Window>