Aspose::<strong>C</strong>ells::PaginatedSaveOptions::Get<strong>C</strong>he<strong>C</strong>kWorkbookDefault<strong>Font</strong> method. When <strong>C</strong>hara<strong>C</strong>ters in the Ex<strong>C</strong>el are Uni<strong>C</strong>ode and not be set with <strong>C</strong>orre<strong>C</strong>t <strong>Font</strong> in <strong>C</strong>ell style, They may appear as blo<strong>C</strong>k in pdf,image. Set this to true to try to use workbook's default <strong>Font</strong> to show these <strong>C</strong>hara<strong>C</strong>ters first in <strong>C</strong>++....and not be set with correct font in cell style, They may appear...try to use workbook’s default font to show these characters first...