//MainWindow.xaml
<Window x:Class="TileGame.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:TileGame"
        mc:Ignorable="d"
        ResizeMode="NoResize"
        WindowState="Maximized"
        Title="MainWindow" Height="450" Width="800">
    <Canvas x:Name="Display">
        <Label x:Name="ScoreDisplay" Content="{Binding Path=Score}" Panel.ZIndex="10" Canvas.Top="0" Canvas.Left="960" FontSize="24" FontWeight="Bold"/>
    </Canvas>
</Window>

//MainWindow.xaml
<Window x:Class="TileGame.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:TileGame"
        mc:Ignorable="d"
        ResizeMode="NoResize"
        WindowState="Maximized"
        Title="MainWindow" Height="450" Width="800">
    <Canvas x:Name="Display">
        <Label x:Name="ScoreDisplay" Content="{Binding Path=Score}" Panel.ZIndex="10" Canvas.Top="0" Canvas.Left="960" FontSize="24" FontWeight="Bold"/>
    </Canvas>
</Window>

public class InventorySlot : Button
{
    public static int Size { get; set; } = 64;
    public double X
    {
        get { return Canvas.GetLeft(this) / Width; }
        set { Canvas.SetLeft(this, value * Width); }
    }
    public double Y
    {
        get { return Canvas.GetTop(this) / Height; }
        set { Canvas.SetTop(this, value * Height); }
    }
    public InventorySlot()
    {
        Height = Size;
        Width = Size;
    }
    public InventorySlot(double x, double y) : this()
    {
        X = x;
        Y = y;
        Click += Clicked;
    }
    private void Clicked(object sender, EventArgs e)
    {

    }
}

public class InventorySlot : Button
{
    public static int Size { get; set; } = 64;
    public double X
    {
        get { return Canvas.GetLeft(this) / Width; }
        set { Canvas.SetLeft(this, value * Width); }
    }
    public double Y
    {
        get { return Canvas.GetTop(this) / Height; }
        set { Canvas.SetTop(this, value * Height); }
    }
    public InventorySlot()
    {
        Height = Size;
        Width = Size;
    }
    public InventorySlot(double x, double y) : this()
    {
        X = x;
        Y = y;
        Click += Clicked;
    }
    private void Clicked(object sender, EventArgs e)
    {

    }
}

public class Tile : Image
{
    public TileType Type { get;}
    public static int Size { get; set; }=32;
    public double X { 
        get { return Canvas.GetLeft(this) / Width; } 
        set { Canvas.SetLeft(this, value * Width); } 
    }
    public double Y
    {
        get { return Canvas.GetTop(this) / Height; }
        set { Canvas.SetTop(this, value * Height); }
    }
    public Tile() {
        Height = Size;
        Width = Size;
        Type=TileType.GrassA;
    }
    public Tile(double x, double y,TileType type) : this()
    {
        X = x;
        Y = y;
        Type=type;
        ImageBrush brush = new ImageBrush();
        brush.ImageSource = new BitmapImage(new Uri(GetImagePath(Type),UriKind.RelativeOrAbsolute));
        Source = brush.ImageSource;
        MouseLeftButtonDown += TileClicked;
    }
    public static string GetImagePath(TileType type)
    {
        switch(type)
        {
            case TileType.GrassA:
                return "tile_0000.png";
            case TileType.GrassB:
                return "tile_0001.png";
            case TileType.GrassC:
                return "tile_0002.png";
            default:
                throw new ArgumentOutOfRangeException(nameof(type), type, null);
        }
    }
    private void TileClicked(object sender, EventArgs e)
    {
        switch (Type)
        {
            case TileType.GrassA:
                return;
            case TileType.GrassB:
                return;
            case TileType.GrassC:
                return;
        }
    }
}

public class Tile : Image
{
    public TileType Type { get;}
    public static int Size { get; set; }=32;
    public double X { 
        get { return Canvas.GetLeft(this) / Width; } 
        set { Canvas.SetLeft(this, value * Width); } 
    }
    public double Y
    {
        get { return Canvas.GetTop(this) / Height; }
        set { Canvas.SetTop(this, value * Height); }
    }
    public Tile() {
        Height = Size;
        Width = Size;
        Type=TileType.GrassA;
    }
    public Tile(double x, double y,TileType type) : this()
    {
        X = x;
        Y = y;
        Type=type;
        ImageBrush brush = new ImageBrush();
        brush.ImageSource = new BitmapImage(new Uri(GetImagePath(Type),UriKind.RelativeOrAbsolute));
        Source = brush.ImageSource;
        MouseLeftButtonDown += TileClicked;
    }
    public static string GetImagePath(TileType type)
    {
        switch(type)
        {
            case TileType.GrassA:
                return "tile_0000.png";
            case TileType.GrassB:
                return "tile_0001.png";
            case TileType.GrassC:
                return "tile_0002.png";
            default:
                throw new ArgumentOutOfRangeException(nameof(type), type, null);
        }
    }
    private void TileClicked(object sender, EventArgs e)
    {
        switch (Type)
        {
            case TileType.GrassA:
                return;
            case TileType.GrassB:
                return;
            case TileType.GrassC:
                return;
        }
    }
}