// Set constraint As Late As Possible for task with Id 11
System::SharedPtr<Task> wallBoard = project1->get_RootTask()->get_Children()->GetById(11);
wallBoard->Set<ConstraintType>(Tsk::ConstraintType(), Aspose::Tasks::ConstraintType::AsLateAsPossible);
    
// Save project as pdf
System::SharedPtr<SaveOptions> options = System::MakeObject<PdfSaveOptions>();
options->set_StartDate(project1->Get<System::DateTime>(Prj::StartDate()));
options->set_Timescale(Aspose::Tasks::Visualization::Timescale::ThirdsOfMonths);
project1->Save(dataDir + u"project_AsLateAsPossible_out.pdf", options);