MAJOR CHANGE for ButtonGrids, Dynamic data sources, etc

- introducing a dynamic data source class (IDataSource)
- introducing a ButtonRow class for better managability
- replacing that List<ButtonBase> with ButtonRow object
- introducing ButtonFormDataSource with special methods for ButtonGrid controls
- updating ButtonGrid and refactoring of the Load/Action methods
- updating CheckButtonList and refactoring of the Load/Action methods
- updating TaggedButtonGrid and refactoring of the Load/Action methods
- adding example to the Test project

TelegramBotBase/Args/ButtonClickedEventArgs.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using TelegramBotBase.Controls.Hybrid;
 using TelegramBotBase.Form;
 
 namespace TelegramBotBase.Args
@@ -18,6 +19,8 @@ namespace TelegramBotBase.Args
 
         public object Tag { get; set; }
 
+        public ButtonRow Row { get; set; }
+
 
         public ButtonClickedEventArgs()
         {
@@ -36,5 +39,11 @@ namespace TelegramBotBase.Args
             this.Index = Index;
         }
 
+        public ButtonClickedEventArgs(ButtonBase button, int Index, ButtonRow row)
+        {
+            this.Button = button;
+            this.Index = Index;
+            this.Row = row;
+        }
     }
 }

TelegramBotBase/Args/CheckedChangedEventArgs.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Text;
+using TelegramBotBase.Controls.Hybrid;
 using TelegramBotBase.Form;
 
 namespace TelegramBotBase.Args
@@ -17,7 +18,7 @@ namespace TelegramBotBase.Args
         /// <summary>
         /// Contains all buttons within this row, excluding the checkbox.
         /// </summary>
-        public List<ButtonBase> Row { get; set; }
+        public ButtonRow Row { get; set; }
 
 
         /// <summary>
@@ -31,7 +32,7 @@ namespace TelegramBotBase.Args
 
         }
 
-        public CheckedChangedEventArgs(List<ButtonBase> row, int Index, bool Checked)
+        public CheckedChangedEventArgs(ButtonRow row, int Index, bool Checked)
         {
             this.Row = row;
             this.Index = Index;