public class CIMMargin : CIMObject, System.ComponentModel.INotifyPropertyChanged, System.Xml.Serialization.IXmlSerializable  

// create customized margin and color 
CIMMargin pMargin = new CIMMargin() { Left = 0.2, Right = 0.3, Top = 0.15, Bottom = 0.25 };
CIMRGBColor pColor = new CIMRGBColor() { R = 255, G = 255, B = 0, Alpha = 50 };

//Reference a page and its transition 
var page = activePresentationView.Presentation.GetPage(0);
CIMPresentationTransition transition = page.Transition;

// update the transition style
transition.TransitionType = PresentationTransitionType.Swipe;
transition.Duration = 2.0;
transition.SwipeDirection = SwipeDirection.Top;

//Must be on the QueuedTask
await QueuedTask.Run(() =>
{
  //Set the new margin, new background color and new transition effect
  page.SetMargin(pMargin);
  page.SetBackgroundColor(pColor);
  page.SetTransition(transition);
});

// create customized margin and color 
CIMMargin pMargin = new CIMMargin() { Left = 0.2, Right = 0.3, Top = 0.15, Bottom = 0.25 };
CIMRGBColor pColor = new CIMRGBColor() { R = 255, G = 255, B = 0, Alpha = 50 };

//Reference a page and its transition 
var page = activePresentationView.Presentation.GetPage(0);
CIMPresentationTransition transition = page.Transition;

// update the transition style
transition.TransitionType = PresentationTransitionType.Swipe;
transition.Duration = 2.0;
transition.SwipeDirection = SwipeDirection.Top;

//Must be on the QueuedTask
await QueuedTask.Run(() =>
{
  //Set the new margin, new background color and new transition effect
  page.SetMargin(pMargin);
  page.SetBackgroundColor(pColor);
  page.SetTransition(transition);
});

//Note: Call within QueuedTask.Run()
//The fields in the datasource used for the report
//This uses a US Cities dataset
var listFields = new List<CIMReportField> {
          //Grouping should be the first field
          new CIMReportField{Name = "STATE_NAME", FieldOrder = 0, Group = true, SortInfo = FieldSortInfo.Desc}, //Group cities using STATES
          new CIMReportField{Name = "CITY_NAME", FieldOrder = 1},
          new CIMReportField{Name = "POP1990", FieldOrder = 2, },
      };
//Definition query to use for the data source
var defQuery = "STATE_NAME LIKE 'C%'";
//Define the Datasource
var reportDataSource = new ReportDataSource(featureLayer, defQuery, listFields);
//The CIMPage defintion - page size, units, etc
var cimReportPage = new CIMPage
{
  Height = 11,
  StretchElements = false,
  Width = 6.5,
  ShowRulers = true,
  ShowGuides = true,
  Margin = new CIMMargin { Bottom = 1, Left = 1, Right = 1, Top = 1 },
  Units = LinearUnit.Inches
};

//Report template
var reportTemplates = await ReportTemplateManager.GetTemplatesAsync();
var reportTemplate = reportTemplates.Where(r => r.Name == "Attribute List with Grouping").First();

//Report Styling
var reportStyles = await ReportStylingManager.GetStylingsAsync();
var reportStyle = reportStyles.Where(s => s == "Cool Tones").First();

//Field Statistics
var fieldStatisticsList = new List<ReportFieldStatistic> {
          new ReportFieldStatistic{ Field = "POP1990", Statistic = FieldStatisticsFlag.Sum}
          //Note: NoStatistics option for FieldStatisticsFlag is not supported.
      };
var report = ReportFactory.Instance.CreateReport("USAReport", reportDataSource, cimReportPage, fieldStatisticsList, reportTemplate, reportStyle);

//Note: Call within QueuedTask.Run()
var cimReportPage = new CIMPage
{
  Height = 12,
  StretchElements = false,
  Width = 6.5,
  ShowRulers = true,
  ShowGuides = true,
  Margin = new CIMMargin { Bottom = 1, Left = 1, Right = 1, Top = 1 },
  Units = LinearUnit.Inches
};
report.SetPage(cimReportPage);
//Change only the report's page height
report.SetPageHeight(12);