Skip to main content

IBreadcrumbTextProvider.GetText(Object, Object) Method

Returns text that describes drill down level that detalization of the specified point source object that belongs to the series source object provides.

Namespace: DevExpress.Xpf.Charts

Assembly: DevExpress.Xpf.Charts.v21.2.dll


string GetText(
    object seriesSourceObj,
    object pointSourceObj


Name Type Description
seriesSourceObj Object

The model object that describes a series.

pointSourceObj Object

The model object that defines a series point. This value can be null (Nothing in Visual Basic) if an end user clicks a series.


Type Description

The description of the detail level.


View Example

This example demonstrates how to enable the Chart’s Drill Mode that allows end users to navigate between different detail levels:

 public interface INameable {
    string Name { get; }

public sealed class DevAVBranch: INameable {
    public string Name { get; set; }
    public List<DevAVProductCategory> Categories { get; set; }
    public double TotalIncome { get => Categories.Sum(c => c.TotalIncome); }

public sealed class DevAVProductCategory: INameable {
    public string Name { get; set; }
    public List<DevAVProduct> Products { get; set; }
    public double TotalIncome { get => Products.Sum(p => p.TotalIncome); }

public sealed class DevAVProduct: INameable {
    public string Name { get; set; }
    public List<DevAVMonthlyIncome> Sales { get; set; }
    public double TotalIncome { get => Sales.Sum(s => s.Income); }

public class DevAVMonthlyIncome {
    public DateTime Month { get; set; }
    public double Income { get; set; }

The table below lists classes and properties the code above includes:




Gets or sets the collection of objects used to generate series.


The data adapter that uses data objects with aggregation and composition relationships as data sources for different detail levels when the Chart control is in the Drill Mode.


Gets or set the collection of data source objects for the Chart in the Drill Mode.


Gets or sets an object that returns a child object collection from a data object on whose representation the end user clicked.


An interface of a children selector for the HierarchicalDataAdapter.


Gets or sets the object that provides text for breadcrumb items when the Chart is in the Drill Mode.


An interface of a text provider for the HierarchicalDataAdapter.


Gets or sets the custom logic for selecting a data template that converts a model object to a series.


Occurs when end users navigate by detail levels when the Chart is is the Drill Mode.

See Also