Documentation

Class DataItemBase

Provides base functionality for data points implementations.

Inheritance
System.Object
DataItemBase
DataBarDataItem
HeatMapItem
SparkDataPoint
TimelineDataItem
Namespace: Telerik.Windows.Controls
Assembly: Telerik.Windows.Controls.DataVisualization.dll

Syntax

public abstract class DataItemBase : Object, IDataItemContainer, INotifyPropertyChanged

Constructors

DataItemBase()

Initializes a new instance of the DataItemBase class.

Declaration
protected DataItemBase()

Properties

DataItem

Gets or sets the data item.

Declaration
public object DataItem { get; set; }
Property Value
System.Object

The data item.

Methods

GetValue(String)

Extracts the value from the DataItem and provided value path.

Declaration
protected object GetValue(string valuePath)
Parameters
System.String valuePath

The value path.
Returns
System.Object

OnPropertyChanged(Object, PropertyChangedEventArgs)

Called when a property changes.

Declaration
protected virtual void OnPropertyChanged(object sender, PropertyChangedEventArgs args)
Parameters
System.Object sender

The sender.
System.ComponentModel.PropertyChangedEventArgs args

The System.ComponentModel.PropertyChangedEventArgs instance containing the event data.

OnPropertyChanged(String)

Raises the PropertyChanged event.

Declaration
protected void OnPropertyChanged(string propertyName)
Parameters
System.String propertyName

Name of the property.

RegisterObservableProperty(String, String)

Registers the observable property.

Declaration
protected void RegisterObservableProperty(string sourceItemPropertyPath, string targetPropertyName)
Parameters
System.String sourceItemPropertyPath

The source item property path.
System.String targetPropertyName

Name of the target property.

UnregisterObservableProperty(String, String)

Unregisters the observable property.

Declaration
protected void UnregisterObservableProperty(string sourceItemPropertyPath, string targetPropertyName)
Parameters
System.String sourceItemPropertyPath

The source item property path.
System.String targetPropertyName

Name of the target property.

UpdatePropertyRegistration(String, String, String)

Updates the property registration.

Declaration
protected void UpdatePropertyRegistration(string oldSourceItemPropertyPath, string newSourceItemPropertyPath, string targetPropertyName)
Parameters
System.String oldSourceItemPropertyPath

The old path.
System.String newSourceItemPropertyPath

The new path.
System.String targetPropertyName

Name of the property.

Events

PropertyChanged

Occurs when a property value changes.

Declaration
public event PropertyChangedEventHandler PropertyChanged
Event Type
System.ComponentModel.PropertyChangedEventHandler

Extension Methods