<Window x:Class="MyApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="562" Width="620" Background="Transparent" WindowStyle="None" OpacityMask="White" AllowsTransparency="True" MouseDown="Window_MouseDown" Topmost="False" ResizeMode="NoResize">

    <Grid>
        <Image Name="imgBackground" Source="background.png" Stretch="Fill" />
        <Image Source="login.png" Name="image1" Stretch="None" Margin="152,44,138,247" />
        <Label Content="Label" Height="24" HorizontalAlignment="Left" Margin="208,125,0,0" Name="label1" VerticalAlignment="Top" Width="163" />
    </Grid>
</Window>