Aspose::Words::Drawing::Charts::ChartSeriesGroup::get_DoughnutHoleSize method. Gets or sets the hole size of the parent doughnut chart as a percentage in C++....u "Category 1" , u "Category 2" , u "Category 3" }); chart ->...:: MakeArray < double > ({ 4 , 2 , 5 })); // Format the Doughnut...