System::SharedPtr<Project> project = System::MakeObject<Project>(dataDir + u"CreateProject2.mpp");
System::SharedPtr<SaveOptions> saveOptions = System::MakeObject<PdfSaveOptions>();
    
// Set option fit content to true
saveOptions->set_FitContent(true);
saveOptions->set_Timescale(Aspose::Tasks::Visualization::Timescale::Months);
saveOptions->set_PresentationFormat(Aspose::Tasks::Visualization::PresentationFormat::TaskUsage);
project->Save(dataDir + u"FitContentsToCellSize_out.pdf", saveOptions);