// Create project instance
System::SharedPtr<Project> project = System::MakeObject<Project>();
        
// Add task, sub task and save project
System::SharedPtr<Task> task = project->get_RootTask()->get_Children()->Add(u"Summary1");
System::SharedPtr<Task> subtask = task->get_Children()->Add(u"Subtask1");
project->Save(dataDir + u"CreateTasks_out.xml", Aspose::Tasks::Saving::SaveFileFormat::XML);