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Group: Metatrader MQ4 Indicators
Title: Price channel
Description:
Price channel
//+------------------------------------------------------------------+ //| PChannel_m.mq4 | //+------------------------------------------------------------------+ #property indicator_chart_window //????????? ???? ??? ?????? ??????? (???, ??? ????) #property indicator_buffers 3 //???????? ??? ?????????? ??? ?????? #property indicator_color1 DodgerBlue //????????? ???? ??? ??????????? ?????? 1 ?????? #property indicator_color2 DodgerBlue //????????? ???? ??? ??????????? ?????? 2 ?????? #property indicator_color3 DodgerBlue //????????? ???? ??? ??????????? ?????? 3 ?????? //---- input parameters //?????????? ???????? ??????? ?????????? extern int Range=14; //?? ????????? ???????? ???????? ????? 14 //---- buffers double UpBuffer[]; //????????? ?????????? UpBuffer ???? "?????? ? ????????? ??????" double DnBuffer[]; //????????? ?????????? DnBuffer ???? "?????? ? ????????? ??????" double MdBuffer[]; //????????? ?????????? MdBuffer ???? "?????? ? ????????? ??????" //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() //????????????? ?????????? { string short_name; //????????? ?????????? short_name ???? "?????????" //---- indicator line SetIndexStyle(0,DRAW_LINE,1,2); //????????? ????? ??? ??????? ???????? ?????????? SetIndexStyle(1,DRAW_LINE,1,2); //????????? ????? ??? ??????? ???????? ?????????? SetIndexStyle(2,DRAW_LINE,2); //????????? ????? ??? ???????? ???????? ?????????? SetIndexBuffer(0,UpBuffer); //???????? ???????????? ? 0 ????? ????? ?????????? UpBuffer SetIndexBuffer(1,DnBuffer); //???????? ???????????? ? 1 ????? ????? ?????????? DnBuffer SetIndexBuffer(2,MdBuffer); //???????? ???????????? ? 2 ????? ????? ?????????? MdBuffer //---- name for DataWindow and indicator subwindow label short_name="PriceChannel("+Range+")"; //?????????? short_name ??????????? ????????? //???????? ?????? ????????? IndicatorShortName(short_name); //??? ??????????? ?? ??????? ???????? ?????????? ??????? //???????????? SetIndexLabel(0,"Up Channel"); //??? ??????????? ?? ??????? ???????? ????? ???????????? //???????? 0 ?????? ??? Up Channel SetIndexLabel(1,"Down Channel"); //??? ??????????? ?? ??????? ???????? ????? ???????????? //???????? 1 ?????? ??? Down Channel SetIndexLabel(2,"Middle Channel"); //??? ??????????? ?? ??????? ???????? ????? ???????????? //???????? 2 ?????? ??? Middle Channel //---- SetIndexDrawBegin(0,0); //????????? ????????? ????? ?????????? ??? 0 ?????? SetIndexDrawBegin(1,0); //????????? ????????? ????? ?????????? ??? 1 ?????? SetIndexDrawBegin(2,0); //????????? ????????? ????? ?????????? ??? 2 ?????? //---- return(0); //??????? ?? ?????? ????????????? } //+------------------------------------------------------------------+ //| PriceChannel | //+------------------------------------------------------------------+ int start() //?????? ????????? (???????) { int i; //?????????? ????????????? ?????????? i,k,sch //---- for(i=Bars-1;i>=0;i--) { UpBuffer[i]=High[Highest(NULL,0,MODE_HIGH,Range,i)]; DnBuffer[i]=Low[Lowest(NULL,0,MODE_LOW,Range,i)]; MdBuffer[i]=(UpBuffer[i]+DnBuffer[i])/2; } return(0); } //+------------------------------------------------------------------+
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