// Create project instance
System::String dataDir = RunExamples::GetDataDir(System::Reflection::MethodBase::GetCurrentMethod(ASPOSE_CURRENT_FUNCTION)->get_DeclaringType().get_FullName());
System::SharedPtr<Project> project1 = System::MakeObject<Project>(dataDir + u"ReadTaskExtendedAttributes.mpp");
    
// Read extended attributes for tasks
    
{
    auto tsk_enumerator = (project1->get_RootTask()->get_Children())->GetEnumerator();
    decltype(tsk_enumerator->get_Current()) tsk;
    while (tsk_enumerator->MoveNext() && (tsk = tsk_enumerator->get_Current(), true))
    {
        auto ea_enumerator = (tsk->get_ExtendedAttributes())->GetEnumerator();
        decltype(ea_enumerator->get_Current()) ea;
        while (ea_enumerator->MoveNext() && (ea = ea_enumerator->get_Current(), true))
        {
            System::Console::WriteLine(ea->get_FieldId());
            System::Console::WriteLine(ea->get_ValueGuid());
            
            switch (ea->get_AttributeDefinition()->get_CfType())
            {
                case Aspose::Tasks::CustomFieldType::Date:
                case Aspose::Tasks::CustomFieldType::Start:
                case Aspose::Tasks::CustomFieldType::Finish:
                    System::Console::WriteLine(System::ObjectExt::Box<System::DateTime>(ea->get_DateValue()));
                    break;
                
                case Aspose::Tasks::CustomFieldType::Text:
                    System::Console::WriteLine(ea->get_TextValue());
                    break;
                
                case Aspose::Tasks::CustomFieldType::Duration:
                    System::Console::WriteLine(System::ObjectExt::ToString(ea->get_DurationValue()));
                    break;
                
                case Aspose::Tasks::CustomFieldType::Cost:
                case Aspose::Tasks::CustomFieldType::Number:
                    System::Console::WriteLine(ea->get_NumericValue());
                    break;
                
                case Aspose::Tasks::CustomFieldType::Flag:
                    System::Console::WriteLine(ea->get_FlagValue());
                    break;
                
                default:
                    break;
            }
        }
    }
}