public void Run()
{
foreach (Element el in engine1.Table.DisplayElements)
{
Console.WriteLine(el.ToString());
if (el is Syncfusion.Grouping.SummarySection)
{
// Cast summary to correct type before accessing idividual summary properties
Console.WriteLine("Summaries:");
ITreeTableSummary[] summaries = el.ParentGroup.GetSummaries(el.ParentTable);
DoubleAggregateSummary d0 = (DoubleAggregateSummary)summaries[el.ParentTableDescriptor.Summaries.IndexOf(sd0)];
Console.WriteLine("QuantityAverage = {0}", d0.Average);
TotalSummary d1 = (TotalSummary)summaries[el.ParentTableDescriptor.Summaries.IndexOf(sd1)];
Console.WriteLine("QuantityDistinctCount = {0}", d1.Total);
DistinctInt32CountSummary d2 = (DistinctInt32CountSummary)summaries[el.ParentTableDescriptor.Summaries.IndexOf(sd2)];
Console.WriteLine("QuantityTotal = {0}", d2.Count);
StatisticsSummary d3 = (StatisticsSummary)summaries[el.ParentTableDescriptor.Summaries.IndexOf(sd3)];
Console.WriteLine("QuantityMedian = {0}", d3.Median);
Console.WriteLine("QuantityAverage = {0}", GetAverageSummary(sd0, el.ParentGroup));
}
}
}
/// <summary>
/// Combines this summary information with another objects summary and returns a new object.
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
/// <remarks>
/// This method must honor the immutable characteristics of summary objects and return
/// a new summary object instead of modifying an existing summary object.
/// </remarks>
public TotalSummary Combine(TotalSummary other)
{
// Summary objects are immutable. That means properties cannot be modified for an
// existing object. Instead every time a change is made a new object must be created (just like
// System.String).
//
// This allows following optimization: return existing summary object if either one of the values is 0. -->
if (other.Total == 0)
{
return(this);
}
else if (Total == 0)
{
return(other);
}
// <-- end of optimization
else
{
return(new TotalSummary(this.Total + other.Total));
}
}
