//+------------------------------------------------------------------+
//|                                                     Project2.mq5 |
//|                        Copyright 2019, MetaQuotes Software Corp. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2019, MetaQuotes Software Corp."
#property link      "https://www.mql5.com"
#property version   "1.00"


struct ESTRUCT{
   int val1;
   int val2;
};

struct ESTRUCT1/* pack(sizeof(int))*/{
	int val1;
	char cval;
	int val2;
};

struct ESTRUCT2 pack(1){
	ESTRUCT2 () {
	   val1 = -1;
	   val2 = 10;
	}
	int val1;
	char cval;
	~ESTRUCT2 () {}
	int f() { int val3 = val1 + val2; return (val3);}
	int val2;

};

#import "Project2.dll"
int fnExport(string str);
int fnExport1(void);
void SamplesA(char& pChar[]);
void SamplesW(string& pChar);
void SamplesStruct(ESTRUCT& s);
void SamplesStruct1(ESTRUCT1& s); 
void SamplesStruct2(ESTRUCT2& s); 
#import



void OnStart() {

Print("fnExport1: ",fnExport1() );
char arr[255];
SamplesA(arr);
Print("SamplesA: ",CharArrayToString(arr) );
string t="";// = "Hello from MQL5";
SamplesW(t);
Print("SamplesW(): ", t);


ESTRUCT e;
e.val1 = 1;
e.val2 = 2;
SamplesStruct(e);
Print("SamplesStruct: val1: ",e.val1," val2: ",e.val2);

ESTRUCT1 e1;
e1.val1 = 2;
e1.val2 = 3;
SamplesStruct1(e1);
t = CharToString(e1.cval);
Print("SamplesStruct1: val1: ",e1.val1," cval: ",t," val2: ",e1.val2);

ESTRUCT2 e2;
e2.val1 = 4;
e2.val2 = 5;
SamplesStruct2(e2);
t = CharToString(e2.cval);
Print("SamplesStruct2: val1: ",e2.val1," cval: ",t," val2: ",e2.val2);


}