Added function CopyRates. Implemented Backtesting

MtApi/Requests/CopyRatesRequest.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MtApi.Requests
+{
+    public abstract class CopyRatesRequestBase : RequestBase
+    {
+        public enum CopyRatesTypeEnum
+        {
+            CopyRates_1 = 1,
+            CopyRates_2 = 2,
+            CopyRates_3 = 3,
+        }
+
+        public override RequestType RequestType
+        {
+            get { return RequestType.CopyRates; }
+        }
+
+        public abstract CopyRatesTypeEnum CopyRatesType { get; }
+
+        public string SymbolName { get; set; }
+        public ENUM_TIMEFRAMES Timeframe { get; set; }
+    }
+
+    public class CopyRates1Request : CopyRatesRequestBase
+    {
+        public override CopyRatesTypeEnum CopyRatesType
+        {
+            get { return CopyRatesTypeEnum.CopyRates_1; }
+        }
+
+        public int StartPos { get; set; }
+        public int Count { get; set; }
+    }
+
+    public class CopyRates2Request : CopyRatesRequestBase
+    {
+        public override CopyRatesTypeEnum CopyRatesType
+        {
+            get { return CopyRatesTypeEnum.CopyRates_2; }
+        }
+
+        public int StartTime { get; set; }
+        public int Count { get; set; }
+    }
+
+    public class CopyRates3Request : CopyRatesRequestBase
+    {
+        public override CopyRatesTypeEnum CopyRatesType
+        {
+            get { return CopyRatesTypeEnum.CopyRates_3; }
+        }
+
+        public int StartTime { get; set; }
+        public int StopTime { get; set; }
+    }
+}

MtApi/Requests/RequestType.cs

@@ -10,6 +10,7 @@
         OrderCloseBy    = 5,
         OrderDelete     = 6,
         OrderModify     = 7,
-        iCustom         = 8
+        iCustom         = 8,
+        CopyRates       = 9
     }
 }