candle with better color for Amibroker (AFL)

_SECTION_BEGIN("Price BetterColor ");
Period = Param("Period", 20, 2, 300, 1, 10 );
LowColor = colorYellow;
ClimaxColor = colorRed;
ChurnColor = colorGreen;
ClimaxChurnColor=colorBlue;
LowChurnColor= colorWhite;
Value1 = C;
Value2 = C*(H-L);
Value3 = C/(H-L);
BarColor = IIf( (Value1 == LLV(Value1,Period)), LowColor,
IIf( (Value2 == HHV(Value2,Period)), ClimaxColor,
IIf( (Value3 == HHV(Value3,Period)), ChurnColor,
IIf( ((Value2 == HHV(Value2,Period) AND (Value3 == HHV(Value3,Period)))), ClimaxChurnColor,
IIf( (Value3 == LLV(Value3,Period)), LowChurnColor, colorBlueGrey)))));
_SECTION_END();

_SECTION_BEGIN("Price");
Plot(C, "", BarColor, styleCandle);
ToolTip=StrFormat("Open: %g\nHigh: %g\nLow: %g\nClose: %g (%.1f%%)\nVolume: "+NumToStr( V, 1 ), O, H, L, C, SelectedValue( ROC( C, 1 )));
_SECTION_END();