public class ButtonExt : Button
{
    public static DependencyProperty ProducerProperty =
        DependencyProperty.Register("Producer", typeof(Producer), typeof(ButtonExt));

    public Producer Producer
    {
        get { return (Producer)GetValue(ProducerProperty); }
        set { SetValue(ProducerProperty, value); }
    }
}

<UserControl x:Class="Desktop.ProducerControl"
             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:Desktop"
             xmlns:ARP="clr-namespace:Desktop"
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="500">

    <UserControl.Resources>
        <local:ImagePathConverter x:Key="ImagePathConverter"></local:ImagePathConverter>

        <DataTemplate x:Key="ItemTemplate">
            <Grid  >
                <ARP:ButtonExt Producer="{Binding Path=Producer}" Margin="2" Background="White" Click="Click">
                <Border Margin="5" BorderThickness="0" BorderBrush="SteelBlue" CornerRadius="4">
                    <StackPanel Margin="3" Name="stack">
                        <TextBlock Text="{Binding Path=Name}" HorizontalAlignment="Center" FontWeight="Bold"  FontSize="13"></TextBlock>
                        <Image Source="{Binding Path=ImageName, Converter={StaticResource ImagePathConverter}, ConverterParameter='Logo'}"
                     Height ="70" Width="100"
                     ></Image>
                        </StackPanel>
                </Border>
                </ARP:ButtonExt>
            </Grid>
        </DataTemplate>
    </UserControl.Resources>
    
    <Grid>
        <Label Content="{Binding Path=Caption}" Height="28" Name="label1" VerticalAlignment="Top"
               FontSize="13" Foreground="#FF121224" Background="#2A7E7F5A" FontWeight="Bold" 
                 Margin="0,12,0,0"  HorizontalAlignment="Left"/>


        <ListBox Grid.IsSharedSizeScope="True" Margin="37,49,1,7" Name="lstProducers" ItemTemplate="{StaticResource ItemTemplate}"
             ScrollViewer.HorizontalScrollBarVisibility="Disabled" SnapsToDevicePixels="True" 
                 ItemsSource="{Binding Producers}" BorderThickness="0"
                 SelectedItem="{Binding Path=SelectedItem, Mode=TwoWay}" SelectionChanged="SelectionChanged">
            <ListBox.ItemsPanel >
                <ItemsPanelTemplate>
                    <WrapPanel></WrapPanel>
                </ItemsPanelTemplate>
            </ListBox.ItemsPanel>
        </ListBox>
    </Grid>
</UserControl>

<ARP:ButtonExt Producer="{Binding Path=Producer}" Margin="2" Background="White" Click="Click">

   <ARP:ButtonExt Producer="{Binding}" Margin="2" Background="White" Command="{Binding Path=ProducerSelect}">