[amibroker] trying stylecloud but not working

["murthysuresh" <money@xxxxxxxxxxxxxx>]

Hello
I am still trying to understand how the stylecloud works. I have the 
following example where i am trying to plot the cmf in style cloud.

i start off by getting a function cmf to return the cmf values. 
then  i am using the plot ohlc to plot it in stylecloud. i still get 
only a line graph. can someone explain how the style cloud works and 
how i can make this one work properly.

_SECTION_BEGIN("Chaikin Money Flow");

function CMF(r1)
{


Graph0=Sum(IIf( H>L && V>0,((( C-L )-( H-C )) / ( H-L ))*V,0),r1) / 
Sum(V,r1);

return Graph0;
}
r1=Param("Periods", 21);
r=CMF(r1);

SetChartOptions(0,0,ChartGrid30 | ChartGrid70 ); 
 
Plot( r, "CMF", colorBlack ); 
PlotOHLC( r,r,r,r, "", IIf( r > 50, colorRed, colorGreen ), 
styleCloud , 30, 70 ); 


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