///////////////////////////////////////////////////////////////////////////
//    SnapshotSymbolIndy.mq4
//    Mark Chaudhary
//
// Creates a screen shot when a trade is opened or closed for the symbol
// on the chart. GIFs are placed in experts/files/ subdirectory of your 
// MetaTrader instalation.
//
//////////////////////////////////////////////////////////////////////////
#property copyright "Mark Chaudhary"
#property link      ""
/////////////////////////////////////////////
#property indicator_chart_window

bool tradeFlag=false;
bool prevTradeFlag=false;
static datetime last_bar;
int init()
  {

   return(0);
  }

int deinit()
  {

   return(0);
  }

int start(){
	
	int orders=0;
	for (int i=0; i<OrdersTotal(); i++){                                               
		if (OrderSelect(i,SELECT_BY_POS,MODE_TIME)==true){			
			if (OrderSymbol() == Symbol()) orders++;
		}
	}
	if (orders>0) tradeFlag=true; else tradeFlag=false;
			
			
	if (tradeFlag != prevTradeFlag){
		prevTradeFlag=tradeFlag;
		MakeScreenShot();
	}

	return(0);
}

void MakeScreenShot(){
  static int no=0;
  no++;
  string fn = "SnapShot"+Symbol()+Period()+"\\"+Year()+"-"+al0(Month(),2)+"-"+al0(Day(),2)+" "+
              al0(Hour(),2)+"_"+al0(Minute(),2)+"_"+al0(Seconds(),2)+" "+no+".gif";
  if(!ScreenShot(fn,640,480)) Print("ScreenShot error: ", GetLastError());
}

string al0(int number, int digits){
  // add leading zeros that the resulting string has 'digits' length.
  string result;
  result = DoubleToStr(number, 0);
  while(StringLen(result)<digits) result = "0"+result;
  return(result);
}