refactor: example projects

Examples/JoinHiderBot/Forms/GroupManageForm.cs

@@ -0,0 +1,21 @@
+using Telegram.Bot.Types.Enums;
+using TelegramBotBase.Args;
+using TelegramBotBase.Form;
+
+namespace JoinHiderBot.Forms;
+
+public class GroupManageForm : GroupForm
+{
+    public override async Task OnMemberChanges(MemberChangeEventArgs e)
+    {
+        if (e.Type != MessageType.ChatMembersAdded && e.Type != MessageType.ChatMemberLeft)
+        {
+            return;
+        }
+
+
+        var m = e.Result.Message;
+
+        await Device.DeleteMessage(m);
+    }
+}

Examples/JoinHiderBot/Forms/Start.cs

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+using TelegramBotBase.Base;
+using TelegramBotBase.Form;
+
+namespace JoinHiderBot.Forms;
+
+public class Start : SplitterForm
+{
+    public override async Task<bool> Open(MessageResult e)
+    {
+        await Device.Send("This bot works only in groups.");
+
+        return true;
+    }
+
+    public override async Task<bool> OpenGroup(MessageResult e)
+    {
+        var gmf = new GroupManageForm();
+
+        await NavigateTo(gmf);
+
+        return true;
+    }
+}