Laba_Clicker/Clicker/MainWindow.xaml

<Window x:Class="Clicker.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:Clicker"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <TabControl HorizontalAlignment="Left" Height="420" Margin="0,0,-0.4,0" VerticalAlignment="Top" Width="794">
            <TabItem Header="TabItem">
                <Grid MouseDown="Grid_MouseDown">
                    <Grid.Background>
                        <ImageBrush ImageSource="Картинки/фон.jpg"/>
                    </Grid.Background>
                    <Label x:Name="poi" Content="Points: " HorizontalAlignment="Left" Margin="44,28,0,0" VerticalAlignment="Top"/>
                    <Label x:Name="cli" Content="Points per click: " HorizontalAlignment="Left" Margin="44,59,0,0" VerticalAlignment="Top"/>
                    <Button x:Name="click1" Content="Button" HorizontalAlignment="Left" Margin="31,193,0,0" VerticalAlignment="Top" Width="86" Height="70" Click="click1_Click">
                        <Button.Background>
                            <ImageBrush ImageSource="Картинки/кнопка.jpg"/>
                        </Button.Background>
                    </Button>
                    <Button x:Name="click2" Content="Button" HorizontalAlignment="Left" Margin="158,193,0,0" VerticalAlignment="Top" Width="86" Height="70" Click="click2_Click">
                        <Button.Background>
                            <ImageBrush ImageSource="Картинки/кнопка.jpg"/>
                        </Button.Background>
                    </Button>
                    <Button x:Name="click4" Content="Button" HorizontalAlignment="Left" Margin="158,295,0,0" VerticalAlignment="Top" Width="86" Height="70" Click="click4_Click">
                        <Button.Background>
                            <ImageBrush ImageSource="Картинки/кнопка.jpg"/>
                        </Button.Background>
                    </Button>
                    <Button x:Name="click3" Content="Button" HorizontalAlignment="Left" Margin="31,295,0,0" VerticalAlignment="Top" Width="86" Height="70" Click="click3_Click">
                        <Button.Background>
                            <ImageBrush ImageSource="Картинки/кнопка.jpg"/>
                        </Button.Background>
                    </Button>
                    <Button Content="Выход" HorizontalAlignment="Left" Margin="713,0,0,0" VerticalAlignment="Top" Width="75" Height="60" Click="Button_Click">
                        <Button.Background>
                            <ImageBrush ImageSource="Картинки/кнопка.jpg"/>
                        </Button.Background>
                    </Button>
                </Grid>
            </TabItem>
            <TabItem Header="TabItem">
                <Grid Background="#FFE5E5E5"/>
            </TabItem>
        </TabControl>

    </Grid>
</Window>