Method RenderCell
RenderCell(Attribute, string, bool)
Override to provide custom multi colouring to cells. Use Driver to with
AddStr(string). The driver will already be in the correct place when rendering and you
must render the full render or the view will not look right. For simpler provision of color use
ColorGetter For changing the content that is rendered use
RepresentationGetter
protected virtual void RenderCell(Attribute cellColor, string render, bool isPrimaryCell)