Add About dialog and app metadata

AboutWindow.xaml

@@ -0,0 +1,101 @@
+<Window x:Class="TaskbarLauncher.AboutWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="About Taskbar Launcher"
+        Height="410"
+        Width="560"
+        ResizeMode="NoResize"
+        WindowStartupLocation="CenterOwner"
+        Background="{DynamicResource AppWindowBrush}"
+        Foreground="{DynamicResource AppTextBrush}">
+    <Grid Margin="22">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <Grid>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="96"/>
+                <ColumnDefinition Width="*"/>
+            </Grid.ColumnDefinitions>
+
+            <Border Width="76"
+                    Height="76"
+                    BorderThickness="1"
+                    BorderBrush="{DynamicResource AppAccentBrush}"
+                    Background="{DynamicResource AppSurfaceBrush}"
+                    HorizontalAlignment="Left"
+                    VerticalAlignment="Top">
+                <Grid>
+                    <TextBlock Text="MGET"
+                               FontSize="22"
+                               FontWeight="Bold"
+                               HorizontalAlignment="Center"
+                               VerticalAlignment="Center"
+                               Foreground="{DynamicResource AppAccentBrush}"/>
+                    <Border Height="8"
+                            VerticalAlignment="Bottom"
+                            Background="{DynamicResource AppAccentBrush}"/>
+                </Grid>
+            </Border>
+
+            <StackPanel Grid.Column="1" VerticalAlignment="Center">
+                <TextBlock Text="Taskbar Launcher" FontSize="24" FontWeight="SemiBold"/>
+                <TextBlock Text="Portable Windows launcher for folders, apps, and organized menus."
+                           Margin="0,6,0,0"
+                           Foreground="{DynamicResource AppMutedTextBrush}"
+                           TextWrapping="Wrap"/>
+            </StackPanel>
+        </Grid>
+
+        <Border Grid.Row="1"
+                Margin="0,22,0,18"
+                Padding="14"
+                BorderThickness="1"
+                BorderBrush="{DynamicResource AppBorderBrush}"
+                Background="{DynamicResource AppSurfaceBrush}">
+            <Grid>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="120"/>
+                    <ColumnDefinition Width="*"/>
+                </Grid.ColumnDefinitions>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                    <RowDefinition Height="Auto"/>
+                </Grid.RowDefinitions>
+
+                <TextBlock Text="Author" FontWeight="SemiBold" Margin="0,0,12,10"/>
+                <TextBlock x:Name="AuthorText" Grid.Column="1" Margin="0,0,0,10"/>
+
+                <TextBlock Text="Version" Grid.Row="1" FontWeight="SemiBold" Margin="0,0,12,10"/>
+                <TextBlock x:Name="VersionText" Grid.Row="1" Grid.Column="1" Margin="0,0,0,10"/>
+
+                <TextBlock Text="Build" Grid.Row="2" FontWeight="SemiBold" Margin="0,0,12,10"/>
+                <TextBlock x:Name="BuildText" Grid.Row="2" Grid.Column="1" Margin="0,0,0,10"/>
+
+                <TextBlock Text="Config" Grid.Row="3" FontWeight="SemiBold" Margin="0,0,12,10"/>
+                <TextBlock x:Name="ConfigPathText"
+                           Grid.Row="3"
+                           Grid.Column="1"
+                           Margin="0,0,0,10"
+                           TextWrapping="Wrap"/>
+
+                <TextBlock Text="Project Site" Grid.Row="4" FontWeight="SemiBold" Margin="0,0,12,0"/>
+                <TextBlock x:Name="ProjectSiteText"
+                           Grid.Row="4"
+                           Grid.Column="1"
+                           TextWrapping="Wrap"/>
+            </Grid>
+        </Border>
+
+        <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Right">
+            <Button Content="Open Config Folder" Click="OpenConfigFolder_Click" Margin="0,0,8,0"/>
+            <Button Content="Close" Click="Close_Click"/>
+        </StackPanel>
+    </Grid>
+</Window>

AboutWindow.xaml.cs

@@ -0,0 +1,49 @@
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Input;
+using TaskbarLauncher.Services;
+
+namespace TaskbarLauncher;
+
+public partial class AboutWindow : Window
+{
+    public AboutWindow()
+    {
+        InitializeComponent();
+
+        AuthorText.Text = AppInfo.Author;
+        VersionText.Text = AppInfo.Version;
+        BuildText.Text = AppInfo.Build;
+        ConfigPathText.Text = ConfigService.ConfigPath;
+
+        if (string.IsNullOrWhiteSpace(AppInfo.GiveawaySiteUrl))
+        {
+            ProjectSiteText.Text = "Project giveaway site link will be added after review.";
+        }
+        else
+        {
+            ProjectSiteText.Text = AppInfo.GiveawaySiteUrl;
+            ProjectSiteText.Cursor = System.Windows.Input.Cursors.Hand;
+            ProjectSiteText.MouseLeftButtonUp += (_, _) => OpenUrl(AppInfo.GiveawaySiteUrl);
+        }
+    }
+
+    private static void OpenUrl(string url)
+    {
+        Process.Start(new ProcessStartInfo
+        {
+            FileName = url,
+            UseShellExecute = true
+        });
+    }
+
+    private void OpenConfigFolder_Click(object sender, RoutedEventArgs e)
+    {
+        ConfigService.OpenConfigFolder();
+    }
+
+    private void Close_Click(object sender, RoutedEventArgs e)
+    {
+        Close();
+    }
+}

MainWindow.xaml

@@ -25,6 +25,7 @@
                 <Button Content="Restore Config" Click="RestoreConfig_Click" Margin="0,0,8,0"/>
                 <Button Content="Reload Config" Click="ReloadConfig_Click" Margin="0,0,8,0"/>
                 <Button Content="Open Config Folder" Click="OpenConfigFolder_Click" Margin="0,0,8,0"/>
+                <Button Content="About" Click="About_Click" Margin="0,0,8,0"/>
                 <Button Content="Close" Click="Close_Click"/>
             </StackPanel>
         </Border>

MainWindow.xaml.cs

@@ -4,7 +4,6 @@ using System.Windows.Forms;
 using System.Windows.Media;
 using System.IO;
 using System.Windows.Input;
-using System.Reflection;
 using TaskbarLauncher.Models;
 using TaskbarLauncher.Services;
 using MessageBox = System.Windows.MessageBox;
@@ -35,7 +34,7 @@ public partial class MainWindow : Window
         DisplayModeBox.ItemsSource = Enum.GetValues<LauncherDisplayMode>();
         ItemDisplayModeBox.ItemsSource = Enum.GetValues<LauncherDisplayMode>();
         TypeBox.ItemsSource = Enum.GetValues<LauncherItemType>();
-        VersionText.Text = $"Version {GetAppVersion()}";
+        VersionText.Text = $"Version {AppInfo.Version}  Build {AppInfo.Build}";
         RefreshView();
     }
 
@@ -68,13 +67,6 @@ public partial class MainWindow : Window
         }
     }
 
-    private static string GetAppVersion()
-    {
-        return Assembly.GetExecutingAssembly()
-            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
-            .InformationalVersion ?? "development";
-    }
-
     private static TreeViewItem CreateTreeItem(LauncherItem item)
     {
         var treeItem = new TreeViewItem { Header = $"{item.Title} ({item.Type})", Tag = item };
@@ -701,6 +693,16 @@ public partial class MainWindow : Window
         ConfigService.OpenConfigFolder();
     }
 
+    private void About_Click(object sender, RoutedEventArgs e)
+    {
+        AboutWindow aboutWindow = new()
+        {
+            Owner = this
+        };
+
+        aboutWindow.ShowDialog();
+    }
+
     private void Close_Click(object sender, RoutedEventArgs e)
     {
         Hide();

Services/AppInfo.cs

@@ -0,0 +1,18 @@
+using System.Reflection;
+
+namespace TaskbarLauncher.Services;
+
+public static class AppInfo
+{
+    public const string ProductName = "Taskbar Launcher";
+    public const string Author = "Ray Berezowski";
+    public const string GiveawaySiteUrl = "";
+
+    public static string Version =>
+        Assembly.GetExecutingAssembly()
+            .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
+            .InformationalVersion ?? "development";
+
+    public static string Build =>
+        Assembly.GetExecutingAssembly().GetName().Version?.ToString() ?? "development";
+}

Services/LauncherController.cs

@@ -13,6 +13,7 @@ public sealed class LauncherController : IDisposable
     private NotifyIcon? notifyIcon;
     private LauncherPopup? popup;
     private MainWindow? settingsWindow;
+    private AboutWindow? aboutWindow;
 
     public LauncherConfig Config { get; private set; } = new();
 
@@ -38,6 +39,20 @@ public sealed class LauncherController : IDisposable
         settingsWindow.Activate();
     }
 
+    public void ShowAbout()
+    {
+        if (aboutWindow?.IsVisible == true)
+        {
+            aboutWindow.Activate();
+            return;
+        }
+
+        aboutWindow = new AboutWindow();
+        aboutWindow.Closed += (_, _) => aboutWindow = null;
+        aboutWindow.Show();
+        aboutWindow.Activate();
+    }
+
     public void TogglePopup()
     {
         if (popup?.IsVisible == true)
@@ -83,6 +98,7 @@ public sealed class LauncherController : IDisposable
         notifyIcon.DoubleClick += (_, _) => TogglePopup();
         notifyIcon.ContextMenuStrip.Items.Add("Open Launcher", null, (_, _) => TogglePopup());
         notifyIcon.ContextMenuStrip.Items.Add("Settings", null, (_, _) => ShowSettings());
+        notifyIcon.ContextMenuStrip.Items.Add("About", null, (_, _) => ShowAbout());
         notifyIcon.ContextMenuStrip.Items.Add("Reload Config", null, (_, _) => ReloadConfig());
         notifyIcon.ContextMenuStrip.Items.Add("Open Config Folder", null, (_, _) => ConfigService.OpenConfigFolder());
         notifyIcon.ContextMenuStrip.Items.Add("Exit", null, (_, _) => System.Windows.Application.Current.Shutdown());

TaskbarLauncher.csproj

@@ -8,6 +8,7 @@
     <UseWPF>true</UseWPF>
     <UseWindowsForms>true</UseWindowsForms>
     <DefaultItemExcludes>$(DefaultItemExcludes);bin\**;obj\**;builds\**;_*\**;..\TaskbarLauncher-build\**</DefaultItemExcludes>
+    <Authors>Ray Berezowski</Authors>
     <Version>1.0.0</Version>
     <AssemblyVersion>1.0.0.0</AssemblyVersion>
     <FileVersion>1.0.0.0</FileVersion>