Auto updater

cls_Settings.cs

@@ -7,8 +7,9 @@ namespace hyperdesktop2
 	public static class Settings
 	{
 		// Unused
-		public static Int32 build = 1;
+		public static Int32 build = 3;
 		public static String build_url = "https://raw.githubusercontent.com/TheTarkus/Hyperdesktop2/master/BUILD";
+		public static String release_url = "https://github.com/TheTarkus/Hyperdesktop2/releases";
 
 		public static String app_data = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + @"\Hyperdesktop2\";
 		public static String exe_path = app_data + @"hyperdesktop2.exe";
@@ -38,6 +39,8 @@ public static String Exists(String section, String key, String value)
 			return (str.Length > 0) ? Read(section, key) : Write(section, key, value);
 		}
 
+		public static String settings_build;
+
 		public static String imgur_client_id;
 
 		public static Boolean save_screenshots;
@@ -59,7 +62,9 @@ public static String Exists(String section, String key, String value)
 		public static void get_settings()
 		{
 			Global_Func.app_data_folder_create();
-			imgur_client_id				= Exists("upload", "imgur_client_id", "84c55d06b4c9686");
+			settings_build			= Exists("hyperdesktop2", "build", Convert.ToString(build));
+
+			imgur_client_id			= Exists("upload", "imgur_client_id", "84c55d06b4c9686");
 
 			save_screenshots		= Global_Func.str_to_bool(Exists("general", "save_screenshots", "false"));
 			save_folder				= Exists("general", "save_folder", Environment.CurrentDirectory + "\\captures\\");

frm_About.cs

@@ -21,5 +21,9 @@ void Btn_reportClick(object sender, System.EventArgs e)
 		{
 			Process.Start("https://github.com/TheTarkus/Hyperdesktop2/issues");
 		}
+		void Frm_AboutLoad(object sender, System.EventArgs e)
+		{
+			label_build.Text = "Build: " + Settings.build;
+		}
 	}
 }

frm_Main.cs

@@ -46,11 +46,26 @@ void drag_drop(object sender, DragEventArgs e)
 		public frm_Main()
 		{
 			InitializeComponent();
+
+			// Delete older executable on update
+			try {
+				if(Convert.ToInt32(Settings.Read("hyperdesktop2", "build")) < Settings.build) {
+					File.Delete(Settings.exe_path);
+					Settings.Write("hyperdesktop2", "build", Settings.build.ToString());
+				}
+			} catch (Exception ex) {
+				Console.WriteLine("Couldn't delete old hyperdesktop2 executable.");
+				Console.WriteLine(ex.Message);
+			}
+
 			Global_Func.app_data_folder_create();
 			Global_Func.copy_files();
 
+			var web_client = new WebClient();
+			Int32 build = Convert.ToInt32(web_client.DownloadString(Settings.build_url));
+
 			// Confirm if user wants to add to system startup
-			// on first rnu
+			// on first run
 			if(!File.Exists(Settings.ini_path)) {
 				DialogResult result = MessageBox.Show(
 					"Do you want to run Hyperdesktop2 at Windows startup?",
@@ -63,6 +78,21 @@ public frm_Main()
 				if(result == DialogResult.Yes)
 					Global_Func.run_at_startup(true);
 			}
+			// Update notification
+			else if(build > Settings.build) {
+				DialogResult result = MessageBox.Show(
+					"A new version of Hyperdesktop2 has been released. Would you like to download it?",
+					"Update available",
+					MessageBoxButtons.YesNo,
+					MessageBoxIcon.Question,
+					MessageBoxDefaultButton.Button1
+				);
+
+				if(result == DialogResult.Yes) {
+					Process.Start(Settings.release_url);
+					Process.GetCurrentProcess().Kill();
+				}
+			}
 
 			var hook = new Hotkeys();
 			hook.KeyPressed += hook_KeyPressed;