//+------------------------------------------------------------------+
//| WPRSIsignal(SoundAlarm).mq4|
//| Copyright © 2004, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 DodgerBlue
#property indicator_color2 Red
//---- input parameters
extern int WPRSIperiod=27;
extern int filterUP =10;
extern int filterDN =10;
extern bool UseSound =false;
//---- buffers
extern string SoundFile ="Alert.wav";
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double alert;
//----
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0, DRAW_ARROW, 0, 1);
SetIndexArrow(0, 233);
SetIndexBuffer(0, ExtMapBuffer1);
//----
SetIndexStyle(1, DRAW_ARROW, 0, 1);
SetIndexArrow(1, 234);
SetIndexBuffer(1, ExtMapBuffer2);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("WPRSI");
SetIndexLabel(0, "wprsiUP" + WPRSIperiod + "");
SetIndexLabel(1, "wprsiDN" + WPRSIperiod + "");
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit;
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(int i=1; i < limit; i++)
{
//----
if( (iWPR(NULL,0,WPRSIperiod,i)>-20)&&(iWPR(NULL,0,WPRSIperiod,i+1)<-20)&&(iRSI(NULL,0,WPRSIperiod,PRICE_MEDIAN,i)>50) )
{
double z=0;
for(int k=2;k<=filterUP+2;k++)
{
if(iWPR(NULL,0,WPRSIperiod,k+i)>-20){z=1; }
}
if(z==0)
{
ExtMapBuffer1[i]=Low[i] - (High[i]-Low[i])/2;
if(i==1&&(alert!=Time[1]))
{
if(UseSound){PlaySound(SoundFile);Alert("Start Long");}
}
alert=Time[1];
}
}
//----
if( (iWPR(NULL,0,WPRSIperiod,i+1)>-80)&&(iWPR(NULL,0,WPRSIperiod,i)<-80)&&(iRSI(NULL,0,WPRSIperiod,PRICE_MEDIAN,i)<50) )
{
double h=0;
for(int c=2;c<=filterDN+2;c++)
{
if(iWPR(NULL,0,WPRSIperiod,c+i)<-80){h=1; }
}
if(h==0)
{
ExtMapBuffer2[i]=High[i] +(High[i]-Low[i])/2;
if(i==1&&(alert!=Time[1]))
{
if(UseSound){PlaySound(SoundFile);Alert("Start Short");}
}
alert=Time[1];
}
}
}
//----
return(0);
}
//+------------------------------------------------------------------+
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 time of each bar
Indicator Curves created:
Implements a curve of type DRAW_ARROW
Indicators Used:
Relative strength index
Larry William percent range indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It plays sound alerts