Issue #119: Added out parameter MqlTradeResult to function PositionClose

MtApi5/Requests/PositionCloseRequest.cs

@@ -0,0 +1,10 @@
+namespace MtApi5.Requests
+{
+    internal class PositionCloseRequest : RequestBase
+    {
+        public override RequestType RequestType => RequestType.PositionClose;
+
+        public ulong Ticket { get; set; }
+        public ulong Deviation { get; set; }
+    }
+}

MtApi5/Requests/PositionCloseResult.cs

@@ -0,0 +1,8 @@
+namespace MtApi5.Requests
+{
+    internal class PositionCloseResult
+    {
+        public bool RetVal { get; set; }
+        public MqlTradeResult TradeResult { get; set; }
+    }
+}

MtApi5/Requests/RequestType.cs

@@ -14,6 +14,7 @@ namespace MtApi5.Requests
         IndicatorCreate     = 7,
         SymbolInfoString    = 8,
         ChartTimePriceToXY  = 9,
-        ChartXYToTimePrice  = 10
+        ChartXYToTimePrice  = 10,
+        PositionClose       = 11
     }
 }