Magic Number - Is there any use?

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Dua Yong Rew 2013.11.29 07:04

In MT4, using magic can sort out which position is sent by which EA and managed independently.

But in MT5, all are merged into one position so is there any use for magic number?

Sergey Golubev 2013.11.29 07:20 #1

Just found small thread about it : Magic numbers

Shaharudin Ahmad 2013.11.29 07:44 #2

doshur:

In MT4, using magic can sort out which position is sent by which EA and managed independently.

But in MT5, all are merged into one position so is there any use for magic number?

MT5 : I usually use magic number to diff the position of order. example : diff lot or detect diff negative value of profit.

      if(  PositionSelect("EURCHF")==true &&PositionGetInteger(POSITION_TYPE)==POSITION_TYPE_BUY
            
            && PositionGetInteger(POSITION_MAGIC)==123231
            && PositionGetDouble(POSITION_VOLUME)==loturus+2
        
            )
                {
               double asalz2 = PositionGetDouble(POSITION_PRICE_OPEN);
               double currentz2 = PositionGetDouble(POSITION_PRICE_CURRENT);
               if(asalz2-currentz2>300*Poin) 
             {
                   
                   fBuyL3();
             }
             }

        if(  PositionSelect("EURCHF")==true &&PositionGetInteger(POSITION_TYPE)==POSITION_TYPE_BUY
            
            && PositionGetInteger(POSITION_MAGIC)==878763
            && PositionGetDouble(POSITION_VOLUME)==loturus+3
          
            )
                 {
               double asalz3 = PositionGetDouble(POSITION_PRICE_OPEN);
               double currentz3 = PositionGetDouble(POSITION_PRICE_CURRENT);
               if(asalz3-currentz3>300*Poin)   
             {
                   
                   fBuyL4();
             }
             }