WPF

<Button Height="50"
        Width="50">

    <Viewbox Stretch="Uniform">

        <Canvas Height="122.88" 
                Width="122.88">

            <Path Fill="Red"
                    Data="M73.48,15.84A46.87,46.87,0,0,1,84.87,21L91,14.84a7.6,7.6,0,0,1,10.72,0L108,21.15a7.6,7.6,0,0,1,0,10.72l-6.6,6.6a46.6,46.6,0,0,1,4.34,10.93h9.52A7.6,7.6,0,0,1,122.88,57V65.9a7.6,7.6,0,0,1-7.58,7.58h-9.61a46.83,46.83,0,0,1-4.37,10.81L108,91a7.6,7.6,0,0,1,0,10.72L101.73,108A7.61,7.61,0,0,1,91,108l-6.34-6.35a47.22,47.22,0,0,1-11.19,5v8.59a7.6,7.6,0,0,1-7.58,7.58H57a7.6,7.6,0,0,1-7.58-7.58v-7.76a47.39,47.39,0,0,1-12.35-4.68L31.87,108a7.62,7.62,0,0,1-10.72,0l-6.31-6.31a7.61,7.61,0,0,1,0-10.72l4.72-4.72A47.38,47.38,0,0,1,14,73.48H7.58A7.6,7.6,0,0,1,0,65.9V57A7.6,7.6,0,0,1,7.58,49.4h6.35a47.2,47.2,0,0,1,5.51-12.94l-4.6-4.59a7.62,7.62,0,0,1,0-10.72l6.31-6.31a7.6,7.6,0,0,1,10.72,0l5,5A46.6,46.6,0,0,1,49.4,15V7.58A7.6,7.6,0,0,1,57,0H65.9a7.6,7.6,0,0,1,7.58,7.58v8.26ZM59.86,36.68a24.6,24.6,0,1,1-24.6,24.59,24.59,24.59,0,0,1,24.6-24.59Z" />

        </Canvas>

    </Viewbox>

</Button>

|Tab1|Tab2|Tab3 ............... Button|
|-------------------------------------|
| Tab Content                         |

public partial class App : Application
{
    public static IHost? AppHost { get; private set; }

    public App()
    {
        AppHost = Host.CreateDefaultBuilder()
                    .ConfigureServices((hostContext, services) =>
                    {
                        services.AddSingleton<LoginViewModel>();
                        services.AddSingleton<LoginView>();
                    })
                    .Build();
    }

    protected override void OnStartup(StartupEventArgs e)
    {
        AppHost!.Start();

        base.OnStartup(e);
    }

    protected override async void OnExit(ExitEventArgs e)
    {
        await AppHost!.StopAsync();

        base.OnExit(e);
    }
}

public class Item
{
    public string Name { get; set; }

    public Item(string name)
    {
        Name=name;
    }
}

public class ItemsList
{
 public List<Item> Items
 {
   get; private set;
 }

 public ItemsList()
 {
   Items = new List<Item>
   {
     new Item("a"),
     new Item("b"),
     new Item("c")
   };
 }
}

public class MyModel
{
    private readonly ItemsList _list;

    public List<Item> Items => _list.Items;

    public MyModel()
    {
        _list = new ItemsList();
    }
}

protected override void OnStartup(StartupEventArgs e)
{
    MainWindow = new MainWindow()
    {
        DataContext = new MyModel()
    };

    MainWindow.Show();
    base.OnStartup(e);

}

<Grid>
    <!-- here ... pass the datacontext to my component. --> 
    <components:MyListView DataContext="MyModel"/> 
</Grid>

<Grid>
    <!-- here ... what binding source should I put in ? --> 
    <ListView Margin="10" ItemsSource="{Binding Items}"/>
</Grid>

private void ButtonImport_Click(object sender, RoutedEventArgs e)
{
    // Import

    string initdir = @"H:\mp3\";

    Cursor cu = this.Cursor;
    this.Cursor = Cursors.Wait;
    string errtxt = "";
    // delete all existing database entries
    ToolStripStatusLabel1.Text = "deleting ..."
    try
    {
        SQLiteCommand dbCom = new SQLiteCommand("DELETE FROM Dateien", dbConn);
        dbCom.ExecuteNonQuery();
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message, "delete error", MessageBoxButton.OK, MessageBoxImage.Error);
        return;
    }
    sPfad = initdir;
    // import
    DateTime t1 = DateTime.Now;
    int z = 0;
    loopDir(sPfad);
    DateTime t2 = DateTime.Now;
    txt = "";
    txt += z.ToString() + " files saved in ";
    txt += ((t2 - t1).TotalSeconds / 60).ToString("0.0") + " min.";
    txt += errtxt != "" ? Environment.NewLine + Environment.NewLine + errtxt : "";
    this.Cursor = cu;
    MessageBox.Show(txt, "Import", MessageBoxButton.OK, MessageBoxImage.Information);
}


private void loopDir(string strPath)
{
    // read directories and files
    string dn = "";
    DirectoryInfo ofs = new DirectoryInfo(strPath);
    bool f = false;
    int n = 0;
    try
    {
        n = ofs.GetDirectories().Length;
    }
    catch (Exception ex)
    {
        f = true;
        errtxt += ex.Message + Environment.NewLine;
    }
    if (f == false)
    {
        foreach (DirectoryInfo d in ofs.GetDirectories())
        {
            dn = strPath + "\\" + d.Name;
            dn = dn.Replace("\\\\", "\\");
            loopDir(dn);  // recursive call
        }
        // file loop
        bool ok = false;
        foreach (FileInfo fl in ofs.GetFiles())
        {
            ok = false;
            for (int i = 0; i < fext.Length; i++)   // only files with spec. extensions
            {
                if (fl.Name.ToLower().EndsWith(fext[i]))
                    ok = true;
            }
            if (ok == true)
            {
                string sqls = "";
                sqls += "INSERT INTO Dateien (Pfad, Datei) VALUES (";
                sqls += "'" + sqlready(strPath).ToString().Substring(2) + "\\', ";
                sqls += "'" + sqlready(fl.Name) + "')";
                try
                {
                    SQLiteCommand dbCom = new SQLiteCommand(sqls, dbConn);
                    dbCom.ExecuteNonQuery();
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "database save error", MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }
                z++;
            }
        }
    }
}

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:Marois.Framework.Core.WPF.Controls"
                    xmlns:i="http://schemas.microsoft.com/xaml/behaviors">

    <SolidColorBrush x:Key="hyperlinkMouseOverBrush" Color="Green"/>

    <Style TargetType="{x:Type local:MaroisHyperlink}">

        <Setter Property="FontSize" Value="60" />
        <Setter Property="Hyperlink.TextDecorations" Value="None" />

        <Setter Property="Template">

            <Setter.Value>

                <ControlTemplate>

                    <TextBlock>

                            <Hyperlink>

                                <TextBlock Text="{Binding LinkText, RelativeSource={RelativeSource TemplatedParent}}"
                                           FontSize="{TemplateBinding FontSize}"/>

                            </Hyperlink>

                        </TextBlock>

                </ControlTemplate>

            </Setter.Value>

        </Setter>

        <Style.Triggers>

            <Trigger Property="IsMouseOver" Value="true">
                <Setter Property="Hyperlink.Foreground" Value="{StaticResource hyperlinkMouseOverBrush}" />
                <Setter Property="Hyperlink.TextDecorations" Value="Underline" />
            </Trigger>

            <Trigger Property="IsEnabled" Value="false">
                <Setter Property="Hyperlink.Foreground" Value="Gray" />
                <Setter Property="Hyperlink.TextDecorations" Value="None" />
            </Trigger>

        </Style.Triggers>

    </Style>

</ResourceDictionary>

using System.Windows;
using System.Windows.Media;

namespace Marois.Framework.Core.WPF.Controls
{
    public class MaroisHyperlink : ControlBase
    {
        #region DP's
        #region DP HoverBrush
        public static readonly DependencyProperty HoverBrushProperty =
                    DependencyProperty.Register("HoverBrush",
                    typeof(SolidColorBrush),
                    typeof(MaroisHyperlink),
                    new PropertyMetadata(new SolidColorBrush(Colors.Black)));

        public SolidColorBrush HoverBrush
        {
            get { return (SolidColorBrush)GetValue(HoverBrushProperty); }
            set { SetValue(HoverBrushProperty, value); }
        }
        #endregion

        #region DP LinkText
        public static readonly DependencyProperty LinkTextProperty =
                    DependencyProperty.Register("LinkText",
                    typeof(string),
                    typeof(MaroisHyperlink),
                    new PropertyMetadata("MaroisHyperlink"));

        public string LinkText
        {
            get { return (string)GetValue(LinkTextProperty); }
            set { SetValue(LinkTextProperty, value); }
        }
        #endregion
        #endregion

        #region CTOR
        static MaroisHyperlink()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(MaroisHyperlink),
                new FrameworkPropertyMetadata(typeof(MaroisHyperlink)));

        }
        #endregion
    }
}

<Window x:Class="Marois.Framework.Core.WPF.Controls.Demo.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:marois="clr-namespace:Marois.Framework.Core.WPF.Controls;assembly=Marois.Framework.Core.WPF.Controls"
        mc:Ignorable="d"
        WindowStartupLocation="CenterScreen"
        Title="MainWindow" 
        Height="450" 
        Width="800">

    <Window.Resources>

        <Style TargetType="{x:Type marois:MaroisHyperlink}">

            <Setter Property="Foreground" Value="DarkTurquoise"/>
            <Setter Property="HoverBrush" Value="Brown"/>
            <Setter Property="FontSize" Value="18"/>

        </Style>

    </Window.Resources>

    <Grid>

        <marois:MaroisHyperlink Grid.Row="0" 
                                Grid.Column="0"
                                LinkText="Click me!"
                                Margin="5">

            <i:Interaction.Triggers>
                <i:EventTrigger EventName="LinkClicked">
                    <i:InvokeCommandAction Command="{Binding MaroisLinkClickedCommand}"/>
                </i:EventTrigger>
            </i:Interaction.Triggers>

        </marois:MaroisHyperlink>

    </Grid>

</Window>