seb-win-refactoring/SafeExamBrowser.UserInterface.Desktop/Controls/Taskbar/NotificationButton.xaml

<UserControl x:Class="SafeExamBrowser.UserInterface.Desktop.Controls.Taskbar.NotificationButton" x:ClassModifier="internal"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:SafeExamBrowser.UserInterface.Desktop.Controls"
             mc:Ignorable="d" d:DesignHeight="40" d:DesignWidth="40">
    <UserControl.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="../../Templates/Buttons.xaml" />
                <ResourceDictionary Source="../../Templates/Colors.xaml" />
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </UserControl.Resources>
    <Grid>
        <Button x:Name="IconButton" Background="{StaticResource BackgroundBrush}" Click="IconButton_Click" Padding="7.5"
                Template="{StaticResource TaskbarButton}" ToolTipService.ShowOnDisabled="True" Width="40" />
    </Grid>
</UserControl>