Aspose::Cells::Charts::Series::GetDoughnutHoleSize method. Returns or sets the size of the hole in a doughnut Chart group. The hole size is expressed as a percentage of the Chart size, between 10 and 90 percent in C++....Aspose::Cells::Charts::Series::GetDoughnutHoleSize method Se...size of the hole in a doughnut chart group. The hole size is expressed...