Public MustOverride Function MeasurementData( _
   ByVal dataName As String _
) As MeasurementData

public abstract MeasurementData MeasurementData( 
   string dataName
)

public:
abstract MeasurementData^ MeasurementData( 
   String^ dataName
) 

using (MeasurementData data = app.Measurements.SelectedItem.MeasurementData("Syms/Errs1"))
{
    if (data != null)
    {
        string[] summaryNames = data.SummaryNames;
        for (int i = 0; i < summaryNames.Length; i++)
        {
            object summaryData = data.Summary(i);
            if (summaryData != null)
            {
                // do something with the data...
            }
        }
    }
}

Dim data As MeasurementData
        
data = app.Measurements.SelectedItem.MeasurementData("Syms/Errs1")
If (Not (IsNothing(data))) Then
    Try
        Dim summaryNames As String() = data.SummaryNames
        For i As Integer = 0 To summaryNames.Length - 1
            Dim summaryData = data.Summary(i)
            If (Not (IsNothing(summaryData))) Then
                ' do something with the data
            End If
        Next
    Finally
        DirectCast(data, IDisposable).Dispose()
    End Try
End If