Difference between Ea and Indicator
Do you see any of these?
You don't do you? Then it is NOT an indicator.
The code is from documentation:
//-------------------------------------------------------------------- // newbar.mq4 // Ïðåäíàçíà÷åí äëÿ èñïîëüçîâàíèÿ â êà÷åñòâå ïðèìåðà â ó÷åáíèêå MQL4. //-------------------------------------------------------------------- extern int Quant_Bars=15; // Êîëè÷åñòâî áàðîâ bool New_Bar=false; // Ôëàã íîâîãî áàðà //-------------------------------------------------------------------- int start() // Ñïåö. ôóíêöèÿ start { double Minimum, // Ìèíèìàëüíàÿ öåíà Maximum; // Ìàêñèìàëüíàÿ öåíà //-------------------------------------------------------------------- Fun_New_Bar(); // Îáðàùåíèå ê ô-èè if (New_Bar==false) // Åñëè áàð íå íîâûé.. return; // ..òî óõîäèì //-------------------------------------------------------------------- int Ind_max =ArrayMaximum(High,Quant_Bars,1);// Èíäåêñ áàðà ìàêñ.ö. int Ind_min =ArrayMinimum(Low, Quant_Bars,1);// Èíäåêñ áàðà ìèí. ö. Maximum=High[Ind_max]; // Èñêîìàÿ ìàêñ öåíà Minimum=Low[Ind_min]; // Èñêîìàÿ ìèí. öåíà Alert("Çà ïîñëåäíèå ",Quant_Bars, // Âûâîä íà ýêðàí " áàðîâ Min= ",Minimum," Max= ",Maximum); return; // Âûõîä èç start() } //-------------------------------------------------------------------- void Fun_New_Bar() // Ô-èÿ îáíàðóæåíèÿ .. { // .. íîâîãî áàðà static datetime New_Time=0; // Âðåìÿ òåêóùåãî áàðà New_Bar=false; // Íîâîãî áàðà íåò if(New_Time!=Time[0]) // Ñðàâíèâàåì âðåìÿ { New_Time=Time[0]; // Òåïåðü âðåìÿ òàêîå New_Bar=true; // Ïîéìàëñÿ íîâûé áàð } }
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Hello,
I am new to MT4 and MQL4. I tried to run an EA as an Indicator and I receive the message "2013.01.28 19:14:56 Expert 'AAAA' is not custom indicator and will be removed". My question is how can be distinguished in code between the two ? At the first look I see no difference in coding.... out of author's comment: "this is an indicator/expert advisor".
Thanks in advance!