LauncherIcarus/LauncherUpdater/mainwindow.xaml

<Window x:Class="LauncherUpdater.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:LauncherUpdater"
        WindowStyle="None" ResizeMode="NoResize" WindowStartupLocation="CenterScreen" Title="MainWindow"
        Height="88.031" Width="390.667">
  <Grid Background="#FF1F1E1E">
    <Image x:Name="progressBar" Stretch="Fill" Source="Data/Img/update_bar.png" HorizontalAlignment="Left"
           VerticalAlignment="Top" Height="6" Width="370" Margin="10,41,0,0"/>
  </Grid>
</Window>