<UserControl x:Class="SafeExamBrowser.UserInterface.Windows10.Controls.ApplicationButton" 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.Windows10.Controls" xmlns:s="clr-namespace:System;assembly=mscorlib" mc:Ignorable="d" d:DesignHeight="40" d:DesignWidth="50"> <UserControl.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="../Templates/Buttons.xaml"/> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </UserControl.Resources> <Grid> <Popup x:Name="InstancePopup" IsOpen="False" Placement="Top" PlacementTarget="{Binding ElementName=Button}" AllowsTransparency="True"> <ScrollViewer x:Name="InstanceScrollViewer" VerticalScrollBarVisibility="Auto"> <ScrollViewer.Background> <SolidColorBrush Color="Black" Opacity="0.8" /> </ScrollViewer.Background> <ScrollViewer.Resources> <s:Double x:Key="{x:Static SystemParameters.VerticalScrollBarWidthKey}">5</s:Double> </ScrollViewer.Resources> <StackPanel x:Name="InstanceStackPanel" /> </ScrollViewer> </Popup> <Button x:Name="Button" Background="#00000000" BorderThickness="0" Click="Button_Click" Padding="5" Template="{StaticResource ResourceKey=TaskbarButton}" Width="50" /> <Grid Panel.ZIndex="10"> <Rectangle x:Name="ActiveBar" Height="2" Width="40" VerticalAlignment="Bottom" Fill="LightSteelBlue" Visibility="Collapsed" /> </Grid> </Grid> </UserControl>