オリジナルインディケータをサブウィンドウ側に表示する

//+------------------------------------------------------------------+
//|                                                         test.mq4 |
//|                                    Copyright 2020, mef Software. |
//|                                             https://fx-prog.com/ |
//+------------------------------------------------------------------+
#property copyright "Copyright 2020, mef Software."
#property link      "https://fx-prog.com/"
#property version   "1.00"
#property strict
#property indicator_separate_window
     
#property indicator_buffers 1
#property indicator_color1 Red
     
int BarLimit=1000;
     
     
double CrossJyoutai[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
{
   //ライン格納用
   ArrayInitialize(CrossJyoutai,EMPTY_VALUE);
   SetIndexBuffer(0,CrossJyoutai);   
   SetIndexStyle(0,DRAW_SECTION);
     
   //0ライン用
   SetLevelValue(0,0);
           
   return(INIT_SUCCEEDED);
}
     
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
{
     
   init();
   int i;
     
   //----現在から過去で見る
   for(i=BarLimit; i>=0; i--)
   {
      if(getMACDSign(3,1,i)==true)
      {
         CrossJyoutai[i]=1;
      }
      else if(getMACDSign(4,1,i)==true)
      {
         CrossJyoutai[i]=-1;
      }
      else
      {
         CrossJyoutai[i]=0;
      }
     
     
   }
   return(0);
}
//+------------------------------------------------------------------+
     
//+------------------------------------------------------------------+
//|【関数】MACDのクロスを探す                                              |
//|                                                                  |
//|【引数】 IN OUT  引数名             説明                          　　|
//|        --------------------------------------------------------- |
//|       ○      aType              上下                             |
//|                                      1：下から上へ       　　　       |
//|                                      2：上から下へ       　　　       |
//|                                      3：下から上へ(マイナス域の場合のみ)|
//|                                      4：上から下へ(プラス域の場合のみ)　|
//|                                                                  |
//|       ○      limit              どこまで遡るか                    　　|
//|       ○      i                  現在のBar位置                 　　 |
//|【戻値】True(クロス有り) or False（クロス無し）                             |
//|                                                                  |
//|【備考】なし                                                         |
//+------------------------------------------------------------------+
bool getMACDSign(int type,int limit,int i)
{
   int n;
   bool sign = false;
   double MACD_1,Signal_1,MACD_2,Signal_2;
     
   limit = i + limit;
   i     = i + 1;
        
   //下から上へのクロス
   if(type==1){
      for(n=i;n<=limit;n++){
         MACD_1 = iCustom(NULL,0,"MACD",12,26,9,0,n);
         MACD_2 = iCustom(NULL,0,"MACD",12,26,9,0,n+1);         
         Signal_1 = iCustom(NULL,0,"MACD",12,26,9,1,n);      
         Signal_2 = iCustom(NULL,0,"MACD",12,26,9,1,n+1);      
           
         if(MACD_2 <= Signal_2 && MACD_1 > Signal_1)      
         {
            sign=true;
            break;
         }
      }
   }
   //上から下へのクロス
   else if(type==2){
      for(n=i;n<=limit;n++){
         MACD_1 = iCustom(NULL,0,"MACD",12,26,9,0,n);
         Signal_1 = iCustom(NULL,0,"MACD",12,26,9,1,n);      
         MACD_2 = iCustom(NULL,0,"MACD",12,26,9,0,n+1);
         Signal_2 = iCustom(NULL,0,"MACD",12,26,9,1,n+1);
              
         if(MACD_2 >= Signal_2 && MACD_1 < Signal_1)
         {
            sign=true;
            break;
         }
      }
   }
     
   //下から上へのクロス
   if(type==3){
      for(n=i;n<=limit;n++){
         MACD_1 = iCustom(NULL,0,"MACD",12,26,9,0,n);
         MACD_2 = iCustom(NULL,0,"MACD",12,26,9,0,n+1);         
         Signal_1 = iCustom(NULL,0,"MACD",12,26,9,1,n);      
         Signal_2 = iCustom(NULL,0,"MACD",12,26,9,1,n+1);      
           
         if(MACD_2 <= Signal_2 && MACD_1 > Signal_1 && MACD_1 <= 0 )
         {
            sign=true;
            break;
         }
      }
   }
   //上から下へのクロス
   else if(type==4){
      for(n=i;n<=limit;n++){
         MACD_1 = iCustom(NULL,0,"MACD",12,26,9,0,n);
         Signal_1 = iCustom(NULL,0,"MACD",12,26,9,1,n);      
         MACD_2 = iCustom(NULL,0,"MACD",12,26,9,0,n+1);
         Signal_2 = iCustom(NULL,0,"MACD",12,26,9,1,n+1);
              
         if(MACD_2 >= Signal_2 && MACD_1 < Signal_1 && MACD_1 >= 0 )
         {
            sign=true;
            break;
         }
      }
   }
        
   return(sign);
}