Add support for an about menu

Library/FloatingStatusWindow.cs

@@ -118,6 +118,15 @@ namespace FloatingStatusWindowLibrary
 
             contextMenu.Items.Add(new Separator());
 
+            if (_windowSource.HasAboutMenu)
+            {
+                menuItem = new MenuItem { Header = Resources.ContextMenuAbout };
+                menuItem.Click += (sender, args) => _windowSource.ShowAbout();
+                contextMenu.Items.Add(menuItem);
+
+                contextMenu.Items.Add(new Separator());
+            }
+
             menuItem = new MenuItem
             {
                 Name = "contextMenuItemExit",

Library/IWindowSource.cs

@@ -10,8 +10,10 @@ namespace FloatingStatusWindowLibrary
 
         bool HasSettingsMenu { get; }
         bool HasRefreshMenu { get; }
+        bool HasAboutMenu { get; }
 
         void ShowSettings();
         void Refresh();
+        void ShowAbout();
     }
 }

Library/Properties/Resources.Designer.cs

@@ -105,6 +105,15 @@ namespace FloatingStatusWindowLibrary.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to About.
+        /// </summary>
+        public static string ContextMenuAbout {
+            get {
+                return ResourceManager.GetString("ContextMenuAbout", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Start with Windows.
         /// </summary>

Library/Properties/Resources.resx

@@ -132,6 +132,9 @@
   <data name="ChangeAppearanceWindow" xml:space="preserve">
     <value>Change Appearance</value>
   </data>
+  <data name="ContextMenuAbout" xml:space="preserve">
+    <value>About</value>
+  </data>
   <data name="ContextMenuAutoStart" xml:space="preserve">
     <value>Start with Windows</value>
   </data>

TestWindow/WindowSource1.cs

@@ -1,6 +1,7 @@
 using FloatingStatusWindowLibrary;
 using System;
 using System.Globalization;
+using System.Reflection;
 using System.Timers;
 using System.Windows.Threading;
 
@@ -53,6 +54,13 @@ namespace TestWindow
             get { return true; }
         }
 
+        public bool HasAboutMenu => true;
+
+        public void ShowAbout()
+        {
+            _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        }
+
         public void ShowSettings()
         {
 

TestWindow/WindowSource2.cs

@@ -1,6 +1,7 @@
 using FloatingStatusWindowLibrary;
 using System;
 using System.Globalization;
+using System.Reflection;
 using System.Timers;
 using System.Windows.Threading;
 
@@ -53,6 +54,13 @@ namespace TestWindow
             get { return true; }
         }
 
+        public bool HasAboutMenu => true;
+
+        public void ShowAbout()
+        {
+            _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        }
+
         public void ShowSettings()
         {
             

TestWindow/WindowSource3.cs

@@ -1,6 +1,7 @@
 using FloatingStatusWindowLibrary;
 using System;
 using System.Globalization;
+using System.Reflection;
 using System.Timers;
 using System.Windows.Threading;
 
@@ -53,6 +54,13 @@ namespace TestWindow
             get { return true; }
         }
 
+        public bool HasAboutMenu => true;
+
+        public void ShowAbout()
+        {
+            _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        }
+
         public void ShowSettings()
         {
 

TestWindow/WindowSource4.cs

@@ -1,6 +1,7 @@
 using FloatingStatusWindowLibrary;
 using System;
 using System.Globalization;
+using System.Reflection;
 using System.Timers;
 using System.Windows.Threading;
 
@@ -53,6 +54,13 @@ namespace TestWindow
             get { return true; }
         }
 
+        public bool HasAboutMenu => true;
+
+        public void ShowAbout()
+        {
+            _floatingStatusWindow.SetText(Assembly.GetEntryAssembly().GetName().Version.ToString());
+        }
+
         public void ShowSettings()
         {