Learn New MQL Coding

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// ***************************************************************************************************************************************
// SMA/EMA-Functions
// ***************************************************************************************************************************************
class CMTMA
{
public:
CMTMA(int timePeriod=100, ENUM_MA_METHOD maMethod=MODE_EMA,ENUM_APPLIED_PRICE applied_price=PRICE_CLOSE)
{p_timePeriod=timePeriod;p_maMethod=maMethod;p_applied_price=applied_price;}...

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// ***************************************************************************************************************************************
// SMA/EMA-Cross-Functions
// ***************************************************************************************************************************************
class CMTMACross
{
public:
CMTMACross(int timePeriod1=2,int timePeriod2=4, ENUM_MA_METHOD maMethod1=MODE_SMA, ENUM_MA_METHOD maMethod2=MODE_SMA)
{p_timePeriod1=timePeriod1;p_maMethod1=maMethod1;p_timePeriod2=timePeriod2;p_maMethod2=maMethod2;...

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// ***************************************************************************************************************************************
// Debug-Function
// ***************************************************************************************************************************************
string AllValuesOfIndi(string InfoText,int actShift){
int i;string values;
values="";
for (i=0;i<8;i++)
values=values+" "+i+".: " + ExIndiIR.FullVal(i,actShift);
Alert(InfoText+" "+actShift+" "+values);
}

Quoting reteid2222

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Problems with a Class Moving Average Cross: Base Clase {quote} New Class which should handle the cross of 2 moving averages: {quote} How get I init the period and maMethod in the constructor?

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Quoting kabir2shiplu

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subscribed and willing to learn from expert

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class CA
{
public:
//CA() {;}
CA(int a) {;}
private:
int a;
};
class CB
{
public:
//CB() {;}
CB(CA &a) {this.a=a;} // Error
int test() {}
private:
CA a(int a);
};
bool test(){
CB x(CA);// ERROR too!
}

Quoting reteid2222

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How to use a Class A in the class B like Java and make a call of B? class CA { public: //CA() {;} CA(int a) {;} private: int a; }; class CB { public: //CB() {;} CB(CA &a) {this.a=a;} // Error int test() {} private: CA a(int a); }; bool test(){ CB x(CA);// ERROR too! }

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class CA {
   public:
      CA(int a) {;}
   private:
      int A;
};
 
class CB {
   public:
      CB(CA *a) {
         this.pA=a;
      }
      int test(){
         return 0;
      }
  
   private:
      CA* pA;
};
 
bool test(){
   CA* a = new CA(2);
   CB x(a);
  
   return 0;
}

ArraySetAsSeries( MainBuffer, true );
ArraySetAsSeries( close, true );

ArraySetAsSeries(MainBuffer, false);
ArraySetAsSeries(close, false);

switch(m_Method){
      case MODE_SMA:
         switch(m_AppliedPrice){
            case PRICE_OPEN:  ComputeSma(totalrates, prevcalcd, open); break;
            case PRICE_HIGH:  ComputeSma(totalrates, prevcalcd, high); break;
            case PRICE_LOW:   ComputeSma(totalrates, prevcalcd, low); break;
            case PRICE_CLOSE: ComputeSma(totalrates, prevcalcd, close); break;
         }
         break;
      case MODE_EMA:
         switch(m_AppliedPrice){
            case PRICE_OPEN:  ComputeEma(totalrates, prevcalcd, open); break;
            case PRICE_HIGH:  ComputeEma(totalrates, prevcalcd, high); break;
            case PRICE_LOW:   ComputeEma(totalrates, prevcalcd, low); break;
            case PRICE_CLOSE: ComputeEma(totalrates, prevcalcd, close); break;
         }

Quoting betterlife

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Thank you very much Broketrader, and apologies for my late reply too. Your thread is really nice and I am going on in studying, using it as "practical examples" while reading the Eckel's "Bible" of C++. I am in the course of an interesting project trying to making indicators "modular", so that you can pass the value to one into another and then into another and so on... Without using iCustom, of course, which is pretty inefficient. On a side note, I also shifted all the "MyMovingAverage::Initialize" method of your code in post#39 within the constructor...

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Quoting Tilltheend

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Hi, I want to pass an array from 1 indicator file to another indicator. Can somebody pls. guide on how to do it thru MQL code? I use Globalvariable Get- Set for passing simple variables between indicators. But have no clue about passing arrays. Thanks Best regards,

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Quoting broketrader

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{quote} Hi Tilltheend, I never had to pass arrays between indicators and don't really have a solution for you but I see 2 potential solutions that you could investigate: 1) Merge your two indicators into one, then no problem in sharing anything. 2) Use a C++ DLL to share data between them but I'm not sure that this is possible.

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Quoting FerruFx

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{quote} If the "sender" is an indicator, a solution would be to pass the variables through buffers and retrievable by the other indicator through iCustom().

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