//compile//
//+------------------------------------------------------------------+
//| CandleSizeAlert.mq4 |
//| Copyright © 2008, Robert Hill |
//| |
//| Will send alert when a candle meets the size criteria entered |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Robert Hill"
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 LawnGreen
#property indicator_color2 Red
#property indicator_width1 2
#property indicator_width2 2
extern bool AlertON=true;
extern int CandleSize = 50;
double Bull[];
double Bear[];
int flagval1 = 0;
int flagval2 = 0;
double myPoint;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
// IndicatorBuffers(5);
SetIndexStyle(0, DRAW_ARROW, EMPTY);
SetIndexArrow(0, 233);
SetIndexBuffer(0, Bull);
SetIndexStyle(1, DRAW_ARROW, EMPTY);
SetIndexArrow(1, 234);
SetIndexBuffer(1, Bear);
myPoint = SetPoint(Symbol());
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {
double myOpen, myClose, myDif;
int limit, i, counter;
double tmp=0;
double Range, AvgRange;
datetime tc;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
for(i = 0; i <= limit; i++) {
counter=i;
Range=0;
AvgRange=0;
for (counter=i ;counter<=i+9;counter++)
{
AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
}
Range=AvgRange/10;
myOpen = iOpen(NULL, 0, i);
myClose = iClose(NULL, 0, i);
myDif = NormalizeDouble(MathAbs(myOpen - myClose) / myPoint, 4);
Bull[i] = 0;
Bear[i] = 0;
if (myDif > CandleSize)
{
if (myOpen > myClose)
{
if (i == 0 && flagval1==0)
{
flagval1=1;
flagval2=0;
tc = TimeCurrent();
if (AlertON) Alert("Large BEAR candle","\n Time=",TimeToStr(tc,TIME_DATE)," ",TimeHour(tc),":",TimeMinute(tc),"\n Symbol=",Symbol()," Period=",Period());
}
Bear[i] = High[i] + Range*0.75;
}
else if (myOpen < myClose)
{
if (i == 0 && flagval2==0)
{
flagval2=1;
flagval1=0;
tc = TimeCurrent();
if (AlertON) Alert("Large Bull candle","\n Date=",TimeToStr(tc,TIME_DATE)," ",TimeHour(tc),":",TimeMinute(tc),"\n Symbol=",Symbol()," Period=",Period());
}
Bull[i] = Low[i] - Range*0.75;
}
}
}
return(0);
}
double SetPoint(string mySymbol)
{
double mPoint, myDigits;
myDigits = MarketInfo (mySymbol, MODE_DIGITS);
if (myDigits < 4)
mPoint = 0.01;
else
mPoint = 0.0001;
return(mPoint);
}
Sample
Analysis
Market Information Used:
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Series array that contains open prices of each bar
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen