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Upgrade UI to MahApps.Metro with runtime theming

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Modernize WPF UI using MahApps.Metro: switch MainWindow to MetroWindow, add MetroTabControl/MetroTabItem, custom tab styles, and icon-based theme toggle. Move version display to window commands. Integrate MahApps resource dictionaries and ThemeManager for runtime theme switching. Update startup logic for proper theming. WinForms fallback retained.
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MaddoScientisto 2026-02-21 16:49:13 +01:00
commit 9007a27fb2
4 changed files with 207 additions and 54 deletions
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43
imagecatalog/Program.cs
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@ -86,17 +86,42 @@ static class Program
//Application.Run(mainForm);
// -----------------------------------------------------------------------------
if (serviceProvider.GetService(typeof(ImageCatalog_2.MainWindow)) is ImageCatalog_2.MainWindow wpfMain)
// Create the WPF Application and merge MahApps resources BEFORE constructing the MainWindow
// so InitializeComponent sees the theme resources on first render.
var wpfApp = new System.Windows.Application();
try
{
wpfApp.Resources.MergedDictionaries.Add(new System.Windows.ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml") });
wpfApp.Resources.MergedDictionaries.Add(new System.Windows.ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml") });
// Default Light theme (can be replaced at runtime)
wpfApp.Resources.MergedDictionaries.Add(new System.Windows.ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Themes/Light.Blue.xaml") });
// Also notify ThemeManager about initial theme so chrome and MahApps brushes are applied
try
{
ControlzEx.Theming.ThemeManager.Current.ChangeTheme(wpfApp, "Light.Blue");
}
catch
{
// ignore if ThemeManager API isn't present
}
}
catch
{
// If resources fail to load (package not present at runtime), continue silently
}
// Now resolve the WPF MainWindow so its constructor runs with the application resources available
var wpfMain = serviceProvider.GetService(typeof(ImageCatalog_2.MainWindow)) as ImageCatalog_2.MainWindow;
if (wpfMain is not null)
{
// Start WPF app
var app = new System.Windows.Application();
app.Run(wpfMain);
}
else
{
var mainForm = serviceProvider.GetRequiredService<MainForm>();
Application.Run(mainForm);
wpfApp.Run(wpfMain);
return;
}
// Fallback to WinForms UI
var mainForm = serviceProvider.GetRequiredService<MainForm>();
System.Windows.Forms.Application.Run(mainForm);
}
private static void ConfigureServices(ServiceCollection services)