FeederPanel.xaml

<UserControl x:Class="FLY.DownBlowing.UI.Client.UiModule.FeederPanel"
             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:local="clr-namespace:FLY.DownBlowing.UI.Client.UiModule"
             mc:Ignorable="d" Width="1600" Height="954">
    <Grid d:DataContext="{StaticResource downBlowingSystemUt}">
        <ItemsControl ItemsSource="{Binding FeederDatas}">
            <ItemsControl.ItemsPanel>
                <ItemsPanelTemplate>
                    <WrapPanel/>
                </ItemsPanelTemplate>
            </ItemsControl.ItemsPanel>
            <ItemsControl.ItemTemplate>
                <DataTemplate>
                    <local:UcFeeder DataContext="{Binding .}"/>
                </DataTemplate>
            </ItemsControl.ItemTemplate>
        </ItemsControl>
    </Grid>
</UserControl>