MainWindow.xaml

<Window x:Class="HaloSigner.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="ReachGPSResigner" Height="220" Width="483.333"
        ResizeMode="NoResize" AllowsTransparency="True" WindowStyle="None"
        Background="{x:Null}" WindowStartupLocation="CenterScreen"
        AllowDrop="True" DragEnter="MainWindow_DragOver" DragOver="MainWindow_DragOver" Drop="MainWindow_Drop">
        <Grid>
            <Rectangle x:Name="recMask" Fill="White" Margin="10,10,10,10" Stroke="Black" Opacity="0.60" Visibility="Hidden" />
            <!--DropShadow-->
            <Border AllowDrop="True" DragOver="MainWindow_DragOver" Margin="10" BorderThickness="0,0,1,1" BorderBrush="{DynamicResource AccentColour}">
                <Border.Effect>
                    <DropShadowEffect Color="{DynamicResource AccentPColour}"
						Direction="10"
						BlurRadius="12"
						ShadowDepth="1" />
                </Border.Effect>
                <Grid x:Name="formBackground" Background="#333333" />
            </Border>

            <Border 
				x:Name="headerBar" 
				Margin="10,10,10,0"
				Width="Auto" 
				Height="32" 
				VerticalAlignment="Top"
				DockPanel.Dock="Top" 
				Background="{x:Null}" 
				BorderThickness="0, 0, 0, 0"
				BorderBrush="#3b5998">
                <Grid>
                <Thumb 
						x:Name="headerThumb" 
						Opacity="0" 
						Background="{x:Null}" 
						Foreground="{x:Null}" 
						Margin="0,0,0,-12" DragDelta="headerThumb_DragDelta" Grid.ColumnSpan="2"
						/>
                    <Rectangle Height="3" VerticalAlignment="Top" HorizontalAlignment="Stretch" Margin="0,0,1,0" StrokeThickness="0" Fill="{DynamicResource AccentColour}" Grid.ColumnSpan="2" />
                    <Rectangle Width="109" Height="24" Fill="{DynamicResource AccentColour}" VerticalAlignment="Top" StrokeThickness="0" HorizontalAlignment="Left" Margin="0,3,0,0" />
                    <Image Source="Images/settings.png" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="70,2,0,0" Height="25" />
                    <TextBlock Text="halosigner" Foreground="White" FontFamily="Segoe UI Light" HorizontalAlignment="Left" Height="20" VerticalAlignment="Top" Width="61" Margin="16,3,0,0" FontSize="14" />

                    <Button Name="btnClose" Style="{DynamicResource MetroClose}" Width="12" Height="11" Margin="0,0,11,12" VerticalAlignment="Bottom" HorizontalAlignment="Right" Click="btnClose_Click" Grid.Column="1"/>
                    <Button Name="btnMinimize" Style="{DynamicResource MetroMinimize}" Width="12" Height="11" Margin="0,0,29,13" VerticalAlignment="Bottom" HorizontalAlignment="Right" Click="btnMinimize_Click" Grid.Column="1"/>
                </Grid>
            </Border>

        <TextBlock x:Name="txtInfo" Text="Drop your Halo content files here, we'll do all the technical stuff ;)" Foreground="White" FontFamily="Segoe UI Semilight" FontSize="20" Margin="85,72,85,57" TextWrapping="Wrap" VerticalAlignment="Center"/>

        <!--<Grid>
            <Rectangle Fill="{x:Null}" DragEnter="MainWindow_DragEnter" Margin="0,30,0,0" AllowDrop="True" />
        </Grid>-->
    </Grid>
</Window>