Filtration/Filtration.ThemeEditor/Views/ThemeControl.xaml

<UserControl x:Class="Filtration.ThemeEditor.Views.ThemeControl"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:viewModels="clr-namespace:Filtration.ThemeEditor.ViewModels"
             xmlns:views="clr-namespace:Filtration.ThemeEditor.Views"
             mc:Ignorable="d" 
             d:DataContext="{d:DesignInstance Type=viewModels:ThemeViewModel}"
             d:DesignHeight="300" d:DesignWidth="300">
    <Grid>
        <ScrollViewer HorizontalScrollBarVisibility="Disabled">
            <ItemsControl ItemsSource="{Binding Components}" Margin="10">
                <ItemsControl.ItemsPanel>
                    <ItemsPanelTemplate>
                        <WrapPanel />
                    </ItemsPanelTemplate>
                </ItemsControl.ItemsPanel>
                <ItemsControl.ItemTemplate>
                    <DataTemplate>
                        <views:ThemeComponentControl DataContext="{Binding}" Margin="10,5,10,5" />
                    </DataTemplate>
                </ItemsControl.ItemTemplate>
            </ItemsControl>
        </ScrollViewer>
    </Grid>
</UserControl>