Aspose::Words::Markup::CustomPart::get_IsExternal method. False if this custom part is stored inside the OOXML package. True if this custom part is an external target in C++....docx" ); ASSERT_EQ ( 2 , doc -> get_PackageCustomParts...get_PackageCustomParts () -> RemoveAt ( 2 ); ASSERT_EQ ( 2 , doc -> get_PackageCustomParts...