Work on GUI

There is still a long way till it's done...

GUI/Events.cs

@@ -0,0 +1,21 @@
+using GUI;
+using SteamKit2;
+
+// ReSharper disable once CheckNamespace
+namespace ArchiSteamFarm {
+	internal static class Events {
+		internal static void OnStateUpdated(Bot bot, SteamFriends.PersonaStateCallback callback) {
+			if ((bot == null) || (callback == null)) {
+				Logging.LogNullError(nameof(bot) + " || " + nameof(callback));
+				return;
+			}
+
+			BotStatusForm form;
+			if (!BotStatusForm.BotForms.TryGetValue(bot.BotName, out form)) {
+				return;
+			}
+
+			form.OnStateUpdated(callback);
+		}
+	}
+}