How to identify changing color in Custom Indicator

[[Deleted]]

Hi...

Please advise how to identify that a custome indicator is changing color?

This is the code, underneath the code is the picture :

#property copyright "Copyright © 2006, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_width1 3
#property indicator_width2 3

double TrendUp[];
double TrendDown[];
int st = 0;




//+------------------------------------------------------------------+
//| Custom indicator initialization function|
//+------------------------------------------------------------------+
int init()
{
//---- indicators

SetIndexStyle(0, DRAW_LINE);
SetIndexBuffer(0, TrendUp);
SetIndexStyle(1, DRAW_LINE);
SetIndexBuffer(1, TrendDown);

//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function|
//+------------------------------------------------------------------+
int deinit()
{
//----

//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function|
//+------------------------------------------------------------------+
int start()
{

int limit, i, counter;
double Range, AvgRange, cciTrendNow, cciTrendPrevious, var;

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 = limit; i >= 0; i--) {
cciTrendNow = iCCI(NULL, 0, 60, PRICE_TYPICAL, i);
cciTrendPrevious = iCCI(NULL, 0, 60, PRICE_TYPICAL, i+1);

//st = st * 100;


counter = i;
Range = 0;
AvgRange = 0;
for (counter = i; counter >= i-9; counter--) {
AvgRange = AvgRange + MathAbs(High[counter]-Low[counter]);
}
Range = AvgRange/10;
if (cciTrendNow >= st && cciTrendPrevious < st) {
TrendUp[i+1] = TrendDown[i+1];
}

if (cciTrendNow <= st && cciTrendPrevious > st) {
TrendDown[i+1] = TrendUp[i+1];
}

if (cciTrendNow >= st) {
TrendUp[i] = Low[i] - iATR(NULL, 0, 30, i);
if (TrendUp[i] < TrendUp[i+1]) {
TrendUp[i] = TrendUp[i+1];
}
}
else if (cciTrendNow <= st) {
TrendDown[i] = High[i] + iATR(NULL, 0, 30, i);
if (TrendDown[i] > TrendDown[i+1]) {
TrendDown[i] = TrendDown[i+1];
}
}
}

//----

//----
return(0);
}

//+------------------------------------------------------------------+