Add update settings panel

SettingsWindow/AboutSettingsPanel.xaml

@@ -13,7 +13,7 @@
         <StackPanel windows:Spacing.Vertical="10">
             <TextBlock Text="{x:Static properties:Resources.ApplicationName}"
                        FontWeight="Bold" />
-            <TextBlock Text="{Binding Source={x:Static worldClockStatusWindow:Program.LocalVersion}, StringFormat={x:Static properties:Resources.Version}}"
+            <TextBlock Text="{Binding Source={x:Static worldClockStatusWindow:UpdateCheck.LocalVersion}, StringFormat={x:Static properties:Resources.Version}}"
                        Name="VersionLabel" />
             <TextBlock Text="Chris Kaczor" />
         </StackPanel>

SettingsWindow/UpdateSettingsPanel.xaml

@@ -0,0 +1,22 @@
+<windows:CategoryPanelBase x:Class="WorldClockStatusWindow.SettingsWindow.UpdateSettingsPanel"
+                          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:properties="clr-namespace:WorldClockStatusWindow.Properties"
+                          xmlns:windows="clr-namespace:ChrisKaczor.Wpf.Windows;assembly=ChrisKaczor.Wpf.Windows.CategoryWindow"
+                          xmlns:worldClockStatusWindow="clr-namespace:WorldClockStatusWindow"
+                          mc:Ignorable="d"
+                          d:DesignHeight="150"
+                          d:DesignWidth="250">
+    <StackPanel windows:Spacing.Vertical="10">
+        <CheckBox Content="{x:Static properties:Resources.checkVersionOnStartupCheckBox}"
+                  Name="CheckVersionOnStartupCheckBox"
+                  IsChecked="{Binding Source={x:Static properties:Settings.Default}, Path=CheckVersionAtStartup}"
+                  Click="OnSaveSettings" />
+        <Button Content="{x:Static properties:Resources.checkVersionNowButton}"
+                IsEnabled="{Binding Source={x:Static worldClockStatusWindow:UpdateCheck.IsInstalled}}"
+                HorizontalAlignment="Left"
+                Click="HandleCheckVersionNowButtonClick" />
+    </StackPanel>
+</windows:CategoryPanelBase>

SettingsWindow/UpdateSettingsPanel.xaml.cs

@@ -0,0 +1,31 @@
+using System.Windows;
+using WorldClockStatusWindow.Properties;
+
+namespace WorldClockStatusWindow.SettingsWindow;
+
+public partial class UpdateSettingsPanel
+{
+    public UpdateSettingsPanel()
+    {
+        InitializeComponent();
+    }
+
+    public override string CategoryName => Properties.Resources.optionCategoryUpdate;
+
+    private void HandleCheckVersionNowButtonClick(object sender, RoutedEventArgs e)
+    {
+        UpdateCheck.DisplayUpdateInformation(true);
+    }
+
+    private void OnSaveSettings(object sender, RoutedEventArgs e)
+    {
+        SaveSettings();
+    }
+
+    private void SaveSettings()
+    {
+        if (!HasLoaded) return;
+
+        Settings.Default.Save();
+    }
+}