Aspose::Words::Markup::CustomPart class. Represents a custom (arbitrary content) part, that is not defined by the ISO/IEC 29500 standard. To learn more, visit the documentation article in C++....docx" ); ASSERT_EQ ( 2 , doc -> get_PackageCustomParts...get_PackageCustomParts () -> RemoveAt ( 2 ); ASSERT_EQ ( 2 , doc -> get_PackageCustomParts...