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Can you give this indicator my copyright and make a few changes to the code
1)instead of a triangle can the indicator draw arrow red arrow at bottom pointing up and green arrow at top pointing down.
CODE
//+------------------------------------------------------------------+
//| Double_Top.mq4 |
//| Copyright © 2013, Gehtsoft USA LLC |
//| http://fxcodebase.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2013, Gehtsoft USA LLC"
#property link "http://fxcodebase.com"
#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 DarkGreen
#property indicator_color2 Green
#property indicator_color3 Maroon
#property indicator_color4 Red
extern int MinHeight=10;
extern int MaxDist=20;
extern int MinBars=3;
double Top[], DoubleTop[], Bottom[], DoubleBottom[];
double MinHeightPip;
int init()
{
IndicatorShortName("Double top");
IndicatorDigits(Digits);
SetIndexStyle(0,DRAW_ARROW,0,2);
SetIndexArrow(0,119);
SetIndexBuffer(0,Top);
SetIndexStyle(1,DRAW_ARROW,0,4);
SetIndexArrow(1,119);
SetIndexBuffer(1,DoubleTop);
SetIndexStyle(2,DRAW_ARROW,0,2);
SetIndexArrow(2,119);
SetIndexBuffer(2,Bottom);
SetIndexStyle(3,DRAW_ARROW,0,4);
SetIndexArrow(3,119);
SetIndexBuffer(3,DoubleBottom);
MinHeightPip=MinHeight*Point;
return(0);
}
int deinit()
{
return(0);
}
bool IsTop(int index)
{
int i;
bool Fl=true;
for (i=1;i<=MinBars;i++)
{
if (High[index-i]>=High[index]) Fl=false;
}
if (Fl)
{
i=index+1;
while (i<Bars)
{
if (High[i]>=High[index]) return (false);
if (High[index]-Low[i]>=MinHeightPip) return (true);
i++;
}
}
return (false);
}
bool IsBottom(int index)
{
int i;
bool Fl=true;
for (i=1;i<=MinBars;i++)
{
if (Low[index-i]<=Low[index]) Fl=false;
}
if (Fl)
{
i=index+1;
while (i<Bars)
{
if (Low[i]<=Low[index]) return (false);
if (High[i]-Low[index]>=MinHeightPip) return (true);
i++;
}
}
return (false);
}
bool FindPrevTop(int index)
{
int i=index+1;
while (i<Bars && i<=index+MaxDist)
{
if (Top[i]==High[i]) return (true);
i++;
}
return (false);
}
bool FindPrevBottom(int index)
{
int i=index+1;
while (i<Bars && i<=index+MaxDist)
{
if (Bottom[i]==Low[i]) return (true);
i++;
}
return (false);
}
int start()
{
if(Bars<=MinBars) return(0);
int ExtCountedBars=IndicatorCounted();
if (ExtCountedBars<0) return(-1);
int limit=Bars-2;
if(ExtCountedBars>2) limit=Bars-ExtCountedBars-1;
int pos;
pos=limit;
while(pos>=0)
{
if (IsTop(pos+MinBars))
{
Top[pos+MinBars]=High[pos+MinBars];
}
else
{
Top[pos+MinBars]=EMPTY_VALUE;
}
if (IsBottom(pos+MinBars))
{
Bottom[pos+MinBars]=Low[pos+MinBars];
}
else
{
Bottom[pos+MinBars]=EMPTY_VALUE;
}
if (Top[pos+MinBars]==High[pos+MinBars])
{
if (FindPrevTop(pos+MinBars))
{
DoubleTop[pos+MinBars]=High[pos+MinBars];
}
else
{
DoubleTop[pos+MinBars]=EMPTY_VALUE;
}
}
if (Bottom[pos+MinBars]==Low[pos+MinBars])
{
if (FindPrevBottom(pos+MinBars))
{
DoubleBottom[pos+MinBars]=Low[pos+MinBars];
}
else
{
DoubleBottom[pos+MinBars]=EMPTY_VALUE;
}
}
pos--;
}
return(0);
}