BarChart: Different color for negative numbers

[szyb]

This is a feature request to make possible to change color for negative numbers. For example:

[gvreddy04]

@szyb Can you share a sample code and a screenshot for our reference based on what you see?

[szyb]

@gvreddy04 I've created this chart based on demo sample (with my data) and I've made a screenshot and edited it in Paint (filled bars with red color for negative values). This feature could look like this (at least I wish). Would it be possible to setup different color for negative values of the series? Sorry if this wasn't clear enough in original post