Adds #pragma once

Account.enum.h

@@ -25,6 +25,11 @@
  * Includes Account's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Account type of values for statistics. */
 enum ENUM_ACC_STAT_VALUE {
   ACC_BALANCE = 0,

Account.struct.h

@@ -25,6 +25,11 @@
  * Includes Account's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Forward class declaration.
 class Serializer;
 

Action.enum.h

@@ -24,6 +24,11 @@
  * Includes Action's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Prevents processing this includes file for the second time.
 #ifndef ACTION_ENUM_H
 #define ACTION_ENUM_H

Action.struct.h

@@ -24,6 +24,11 @@
  * Includes Action's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "Account.enum.h"
 #include "Action.enum.h"

Bar.enum.h

@@ -25,6 +25,11 @@
  * Includes Bar's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Pivot Point calculation method. */
 enum ENUM_PP_TYPE {
   PP_CAMARILLA = 1,   // A set of eight levels which resemble support and resistance values

Bar.struct.h

@@ -25,6 +25,11 @@
  * Includes Bar's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "Bar.enum.h"
 #include "Serializer.mqh"

Chart.enum.h

@@ -25,6 +25,11 @@
  * Includes Chart's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Defines enumeration for chart parameters.
 enum ENUM_CHART_PARAM {
   CHART_PARAM_NONE = 0,  // None

Chart.struct.h

@@ -25,6 +25,11 @@
  * Includes Chart's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Forward class declaration.
 class Class;
 

Condition.enum.h

@@ -24,6 +24,11 @@
  * Includes Condition's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Prevents processing this includes file for the second time.
 #ifndef CONDITION_ENUM_H
 #define CONDITION_ENUM_H

Condition.struct.h

@@ -24,6 +24,11 @@
  * Includes Condition's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "Account.enum.h"
 #include "Chart.enum.h"

Data.enum.h

@@ -24,6 +24,12 @@
  * @file
  * Includes Data's enums.
  */
+
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 #ifndef __MQL__
 /**
  * Enumeration for the Data type identifiers.

Data.struct.h

@@ -25,6 +25,11 @@
  * Includes Data's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Forward class declaration.
 class Serializer;
 struct MqlParam;

DateTime.enum.h

@@ -25,6 +25,11 @@
  * Includes DateTime's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Defines datetime conditions. */
 enum ENUM_DATETIME_CONDITION {
   DATETIME_COND_IS_PEAK_HOUR = 1,  // On peak hour

DateTime.struct.h

@@ -25,6 +25,11 @@
  * Includes DateTime's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "DateTime.enum.h"
 #include "DateTime.struct.h"

EA.enum.h

@@ -25,6 +25,11 @@
  * Includes EA's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Defines EA input data types. */
 enum ENUM_EA_DATA_STORE_TYPE {
   EA_DATA_STORE_NONE = 0 << 0,

EA.struct.h

@@ -25,6 +25,11 @@
  * Includes EA's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "DateTime.mqh"
 #include "Task.struct.h"

Indicator.enum.h

@@ -25,6 +25,11 @@
  * Includes Indicator's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Indicator actions. */
 enum ENUM_INDICATOR_ACTION {
   INDI_ACTION_CLEAR_CACHE,  // Clear cache.

Indicator.struct.h

@@ -25,6 +25,11 @@
  * Includes Indicator's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Forward declaration.
 class Indicator;
 

Math.enum.h

@@ -24,6 +24,11 @@
  * Includes Math's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Prevents processing this includes file for the second time.
 #ifndef MATH_ENUM_H
 #define MATH_ENUM_H

Math.struct.h

@@ -24,6 +24,11 @@
  * Includes Math's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Prevents processing this includes file for the second time.
 #ifndef MATH_STRUCT_H
 #define MATH_STRUCT_H

Order.enum.h

@@ -25,6 +25,11 @@
  * Includes Order's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Order actions. */
 enum ENUM_ORDER_ACTION {
   ORDER_ACTION_CLOSE = 1,       // Close the order.

Order.struct.h

@@ -25,6 +25,11 @@
  * Includes Order's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 #include "Serializer.mqh"
 
 #ifdef __MQL4__

Pattern.enum.h

@@ -25,6 +25,11 @@
  * Includes Pattern's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Enumeration for 1-candle patterns. */
 enum ENUM_PATTERN_1CANDLE {
   // Single candlestick (bar) patterns.

Pattern.struct.h

@@ -25,6 +25,11 @@
  * Includes Pattern's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "Bar.struct.h"
 #include "Pattern.enum.h"

Redis.struct.h

@@ -20,6 +20,16 @@
  *
  */
 
+/**
+ * @file
+ * Includes Redis's structs.
+ */
+
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Forward declaration.
 class Serializer;
 

Refs.struct.h

@@ -25,6 +25,11 @@
  * Includes Refs' structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Forward class declaration.
 class Refs;
 

Serializer.enum.h

@@ -25,6 +25,11 @@
  * Includes Serializer's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Enumeration for serializer enter mode. */
 enum SerializerEnterMode { SerializerEnterArray, SerializerEnterObject };
 

SerializerNode.enum.h

@@ -25,6 +25,11 @@
  * Includes SerializerNode's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Enumeration for serializer node type. */
 enum SerializerNodeType {
   SerializerNodeUnknown,

Strategy.enum.h

@@ -25,6 +25,11 @@
  * Includes Strategy's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 /* Enumeration for strategy bitwise open methods. */
 enum ENUM_OPEN_METHOD {
   OPEN_METHOD1 = 1,      // Method #1.

Strategy.struct.h

@@ -25,6 +25,11 @@
  * Includes Strategy's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "Serializer.mqh"
 #include "Strategy.enum.h"

SymbolInfo.enum.h

@@ -25,6 +25,11 @@
  * Includes SymbolInfo's enums.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Enum constants.
 const ENUM_SYMBOL_INFO_DOUBLE market_dcache[] = {SYMBOL_MARGIN_INITIAL,
                                                  SYMBOL_MARGIN_LIMIT,

SymbolInfo.struct.h

@@ -25,6 +25,11 @@
  * Includes SymbolInfo's structs.
  */
 
+#ifndef __MQL__
+// Allows the preprocessor to include a header file when it is needed.
+#pragma once
+#endif
+
 // Includes.
 #include "SerializerNode.mqh"