Issue #136: Updated structures MqlTick, MqlBook with new field volume_real. Remove redundant code from MtApiService.

MtApi5/MqlBookInfo.cs

@@ -16,6 +16,7 @@ namespace MtApi5
         public ENUM_BOOK_TYPE type { get; set; }    // Order type from ENUM_BOOK_TYPE enumeration
         public double price { get; set; }           // Price
         public long volume { get; set; }            // Volume
+        public double volume_real { get; set; }   // Volume for the current Last price with greater accuracy 
 
         public override string ToString()
         {

MtApi5/MqlTick.cs

@@ -23,7 +23,8 @@ namespace MtApi5
         public double bid { get; set; }           // Current Bid price
         public double ask { get; set; }           // Current Ask price
         public double last { get; set; }          // Price of the last deal (Last)
-        public ulong volume { get; set; }        // Volume for the current Last price
+        public ulong volume { get; set; }         // Volume for the current Last price
+        public double volume_real { get; set; }   // Volume for the current Last price with greater accuracy 
 
         public DateTime time => Mt5TimeConverter.ConvertFromMtTime(MtTime);
     }

MtApi5/MtApi5.csproj

@@ -98,6 +98,7 @@
     <Compile Include="Requests\Response.cs" />
     <Compile Include="Requests\SymbolInfoStringRequest.cs" />
     <Compile Include="Requests\SymbolInfoStringResult.cs" />
+    <Compile Include="Requests\SymbolInfoTickRequest.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\MTApiService\MTApiService.csproj">

MtApi5/MtApi5Client.cs

@@ -1476,19 +1476,27 @@ namespace MtApi5
         ///<param name="tick"> Link to the structure of the MqlTick type, to which the current prices and time of the last price update will be placed.</param>
         public bool SymbolInfoTick(string symbol, out MqlTick  tick)
         {
-            var commandParameters = new ArrayList { symbol };
-
-            var retVal = SendCommand<MtMqlTick>(Mt5CommandType.SymbolInfoTick, commandParameters);
-
-            tick = null;
-            if (retVal != null)
+            tick = SendRequest<MqlTick>(new SymbolInfoTickRequest
             {
-                tick = new MqlTick { MtTime = retVal.time, ask = retVal.ask, bid = retVal.bid, last = retVal.last, volume = retVal.volume };
-            }
+                SymbolName = symbol
+            });
 
             return tick != null;
         }
 
+        ///<summary>
+        ///The function returns current prices of a specified symbol in a variable of the MqlTick type.
+        ///</summary>
+        ///<param name="symbol">Symbol name.</param>
+        public MqlTick SymbolInfoTick(string symbol)
+        {
+            var tick = SendRequest<MqlTick>(new SymbolInfoTickRequest
+            {
+                SymbolName = symbol
+            });
+
+            return tick;
+        }
 
         ///<summary>
         ///Allows receiving time of beginning and end of the specified quoting sessions for a specified symbol and weekday.

MtApi5/Requests/RequestType.cs

@@ -15,6 +15,7 @@ namespace MtApi5.Requests
         SymbolInfoString    = 8,
         ChartTimePriceToXY  = 9,
         ChartXYToTimePrice  = 10,
-        PositionClose       = 11
+        PositionClose       = 11,
+        SymbolInfoTick      = 12
     }
 }

MtApi5/Requests/SymbolInfoTickRequest.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace MtApi5.Requests
+{
+    internal class SymbolInfoTickRequest : RequestBase
+    {
+        public override RequestType RequestType => RequestType.SymbolInfoTick;
+
+        public string SymbolName { get; set; }
+    }
+}