Aspose::Cells::FontConfigs::GetPreferSystemFontSubstitutes method. Indicate whether to use system Font substitutes first or not when a Font is not presented and the substitute of this Font is not set. e.g. On Ubuntu, "Arial" Font is generally substituted by "Liberation Sans". Default value is false in C++....use system font substitutes first or not when a font is not presented...of this font is not set. e.g. On Ubuntu, “Arial” font is generally...