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Src/Core/Command Pattern/CommandPattern.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using Microsoft.SqlServer.Server;
+
+namespace BITKit.CommandPattern
+{
+	public interface ICommand
+	{
+		void Execute();
+		void Undo();
+	}
+	public interface ICommandService
+	{
+		ICommand[] Commands { get; }
+		event Action<ICommand> OnExecute;
+		event Action<ICommand> OnClear; 
+		event Action<ICommand> OnUndo;
+		event Action<ICommand[]> OnRelease; 
+		void Execute(ICommand command);
+		void Undo();
+		void Undo(int count);
+		void Redo();
+		void Trace(ICommand command);
+		void Clear();
+		void Rebuild();
+		void Release();
+	}
+
+	public sealed class CommandSequence:List<ICommand>,IBinarySerialize
+	{
+		public void Read(BinaryReader r)
+		{
+			Clear();
+			var count = r.ReadInt32();
+			for (var i = 0; i <count; i++)
+			{
+				Add(BITBinary.Read(r).As<ICommand>());
+			}
+		}
+
+		public void Write(BinaryWriter w)
+		{
+			w.Write(Count);
+			foreach (var x in this)
+			{
+				BITBinary.Write(w,x);
+			}
+		}
+	}
+}

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