Thanks Henry, and the developers, for your fix. It works. In case anyone else has this problem, the attached .pln from MC Support has the fix. See the 8 lines beginning with "double hypotenuse". The basic problem was, when new ticks come in, often the context.DrawRect was too small, so it was not dr...

Hi Henry,

I have sent in the support request with all the information you specified.

Thank you.

Hi Henry,

OK - I will follow your instructions after the trading hours. Thanks for your input.

Hi gztanwei, Thanks for your reply. I downloaded and ran your code on a chart, and it seems to be working as intended, however, I do not see any polygons on the chart, and I do not see any IChartCustomDrawer object used in your code, so I am left puzzled by what you intended to show? Maybe I am miss...

I am attempting to use an indicator that simply plots the High and Low as two lines using AddPlot() and .Set() [using IPlotObject] - and at the same time, I am using an IChartCustomDrawer to draw colored polygons between the two lines. This works fine for all bars up to the last 3 to 4 bars, however...