<UserControl x:Class="Desktop.PrinterControl"
             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" 
             mc:Ignorable="d" 
             d:DesignHeight="301" d:DesignWidth="323">

    <UserControl.Resources>
        <DataTemplate x:Key="ItemTemplate">
            <Grid >
                <Grid.ColumnDefinitions>
                    <ColumnDefinition SharedSizeGroup="SingleWidthColumn"></ColumnDefinition>
                </Grid.ColumnDefinitions>
                <Button Content="{Binding Path=Name}" Height="23"/>
            </Grid>
        </DataTemplate>
    </UserControl.Resources>
    
    <Grid>
        <ListBox Grid.IsSharedSizeScope="True" Grid.Row="1" Margin="3" Name="lstPrinters"  ItemTemplate="{StaticResource ItemTemplate}"
             ScrollViewer.HorizontalScrollBarVisibility="Disabled" SnapsToDevicePixels="True">
            <ListBox.ItemsPanel>
                <ItemsPanelTemplate>
                    <WrapPanel></WrapPanel>
                </ItemsPanelTemplate>
            </ListBox.ItemsPanel>
        </ListBox>
    </Grid>
</UserControl>

<UserControl x:Class="Desktop.PrinterControl"
             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" 
             mc:Ignorable="d" 
             d:DesignHeight="301" d:DesignWidth="323">

    <UserControl.Resources>
        <DataTemplate x:Key="ItemTemplate">
            <Grid >
                <Grid.ColumnDefinitions>
                    <ColumnDefinition SharedSizeGroup="SingleWidthColumn"></ColumnDefinition>
                </Grid.ColumnDefinitions>
                <Button Content="{Binding Path=Name}" Height="23"/>
            </Grid>
        </DataTemplate>
    </UserControl.Resources>
    
    <Grid>
        <ListBox Grid.IsSharedSizeScope="True" Grid.Row="1" Margin="3" Name="lstPrinters"  ItemTemplate="{StaticResource ItemTemplate}"
             ScrollViewer.HorizontalScrollBarVisibility="Disabled" SnapsToDevicePixels="True">
        </ListBox>
    </Grid>
</UserControl>

public class PlotPanel : Panel
{
    public PlotPanel()
        : base()
    {
    }

    protected override Size MeasureOverride(Size constraint)
    {
        Size currentLineSize = new Size();
        Size panelSize = new Size();

        foreach (UIElement element in this.Children)
        {
            element.Measure(constraint);
            Size desiredSize = element.DesiredSize;

            if (currentLineSize.Width + desiredSize.Width > constraint.Width)
            {
                panelSize.Height += currentLineSize.Height;
                panelSize.Width = Math.Max(currentLineSize.Width, panelSize.Width);
                currentLineSize = desiredSize;

                if (desiredSize.Width > constraint.Width)
                {
                    panelSize.Width = Math.Max(desiredSize.Width, panelSize.Width);
                }
            }
            else
            {
                currentLineSize.Width += desiredSize.Width;
                currentLineSize.Height = Math.Max(desiredSize.Height,
                currentLineSize.Height);
            }
        }

        panelSize.Width = Math.Max(currentLineSize.Width, panelSize.Width);
        panelSize.Height += currentLineSize.Height;

        return panelSize;
    }

    protected override Size ArrangeOverride(Size arrangeBounds)
    {
        Size currentLineSize = new Size();
        double totalHeight = 0;

        foreach (UIElement element in this.Children)
        {
            Size desiredSize = element.DesiredSize;
            if (currentLineSize.Width + desiredSize.Width > arrangeBounds.Width)
            {
                totalHeight += currentLineSize.Height;
                currentLineSize = new Size();
            }
            currentLineSize.Height = Math.Max(desiredSize.Height, currentLineSize.Height);

            element.Arrange(new Rect(currentLineSize.Width, totalHeight, element.DesiredSize.Width, element.DesiredSize.Height));

            currentLineSize.Width += desiredSize.Width;
        }

        totalHeight += currentLineSize.Height;
        return new Size(arrangeBounds.Width, totalHeight);
    }
}