#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Green
#property indicator_color2 Green
#property indicator_color3 Green
#property indicator_style1 STYLE_SOLID
#property indicator_style2 STYLE_SOLID
#property indicator_style3 STYLE_SOLID
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2


double BufUP[];
double BufCenter[];
double BufDOWN[];

// 初期化関数
int init()
{
   SetIndexBuffer(0, BufUP);
   SetIndexBuffer(1, BufCenter);
   SetIndexBuffer(2, BufDOWN);
   
   return(0);
}

// 指標計算関数
int start()
{
   int limit = Bars-IndicatorCounted();
   for(int i=0; i<limit; i++)
   {
      BufUP[i] = iBands(NULL,0,20,3,0,PRICE_CLOSE,1,i);
      BufCenter[i] = iBands(NULL,0,20,3,0,PRICE_CLOSE,0,i);
      BufDOWN[i] = iBands(NULL,0,20,3,0,PRICE_CLOSE,2,i);
   }
   return(0);
}