Aspose::Cells::Drawing::GradientFill::SetTwoColorGradient method. Sets the specified fill to a two-color gradient. Only applies for Excel 2007 in C++....Aspose::Cells::Drawing::GradientFill::SetTwoColorGradient method...onst Aspose::Cells::Color&, const Aspose::Cells::Color&, GradientStyleType...