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<< Click to display table of contents >> TRVReportChartSeriesItem |
TRVReportChartSeriesItem is the class for items of TRVReportChartSeriesCollection.
Unit [VCL/FMX] RVReportChart / fmxRVReportChart;
Syntax
TRVReportChartSeriesItem = class (TCollectionItem)
TObject TPersistent TCollectionItem |
This item contains information required to fill one chart series with values.
Values
The required properties define values. They are:
•DataQuery – data query for values (and optionally, labels)
•DataValueString – field name (or more complex expression) for values
Labels
The optional properties define labels. Four cases are possible
1.Labels are taken from the same data query as values.
LabelsValueString – field name (or more complex expression) for labels of values;
LabelsDataQuery is empty.
2.Labels are taken from their own data query.
LabelsValueString – field name (or more complex expression) for labels of values;
LabelsDataQuery – data query for labels of values.
3.Labels are predefined.
LabelsValueString is empty.
Labels contains a list of labels of values.
4.Labels are not defined.
LabelsValueString is empty.
Labels is empty.
Other properties
•Title – title of this series.