Added dependency injection

imagecatalog/Program.cs

@@ -0,0 +1,34 @@
+using ImageCatalog;
+using ImageCatalog_2.Services;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace ImageCatalog_2
+{
+    static class Program
+    {
+        public static IServiceProvider ServiceProvider { get; private set; }
+        [STAThread]
+        static void Main()
+        {
+            Application.SetHighDpiMode(HighDpiMode.SystemAware);
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+
+            var serviceCollection = new ServiceCollection();
+            ConfigureServices(serviceCollection);
+
+            ServiceProvider = serviceCollection.BuildServiceProvider();
+
+            Application.Run(ServiceProvider.GetRequiredService<MainForm>());
+        }
+
+        private static void ConfigureServices(ServiceCollection services)
+        {
+            // Register your services here
+            services.AddTransient<ITestService, TestService>();
+
+            // Register your forms
+            services.AddTransient<MainForm>();
+        }
+    }
+}