// Create project instance
System::SharedPtr<Project> project1 = System::MakeObject<Project>(dataDir + u"ResourceUsageView.mpp");
    
// Define the SaveOptions with required TimeScale settings as Days
System::SharedPtr<SaveOptions> options = System::MakeObject<PdfSaveOptions>();
options->set_Timescale(Aspose::Tasks::Visualization::Timescale::Days);
    
// Set the Presentation format to ResourceUsage
options->set_PresentationFormat(Aspose::Tasks::Visualization::PresentationFormat::ResourceUsage);
    
// Save the Project
System::String outputFile = u"result_ResourceUsageView_days_out.pdf";
project1->Save(dataDir + outputFile, options);
    
// Set the Tiemscale settings to ThirdsOfMonths and save the Project
options->set_Timescale(Aspose::Tasks::Visualization::Timescale::ThirdsOfMonths);
outputFile = u"result_ResourceUsageView_thirdsOfMonths_out.pdf";
project1->Save(dataDir + outputFile, options);
    
// Set the Timescale settings to Months and save the Project
options->set_Timescale(Aspose::Tasks::Visualization::Timescale::Months);
outputFile = u"result_ResourceUsageView_months_out.pdf";
project1->Save(dataDir + outputFile, options);