ScpTrayApp/MainWindow.xaml

<Window x:Class="ScpTrayApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:tb="http://www.hardcodet.net/taskbar"
        Visibility="Visible" ShowInTaskbar="False"
        Background="Transparent"
        WindowStartupLocation="Manual"
        WindowStyle="None"
        AllowsTransparency="True"
        Loaded="MainWindow_OnLoaded">
    <Grid>
        <tb:TaskbarIcon Visibility="Visible"
                        IconSource="Dual Shock 3.ico"
                        ToolTip="ScpToolkit Tray Notifications">
            <tb:TaskbarIcon.ContextMenu>
                <ContextMenu>
                    <MenuItem Header="Exit" Click="MenuItemExit_OnClick"/>
                </ContextMenu>
            </tb:TaskbarIcon.ContextMenu>
        </tb:TaskbarIcon>
    </Grid>
</Window>