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DataItemBase

Class

Provides base functionality for data points implementations.

Definition

Namespace:Telerik.Windows.Controls

Assembly:Telerik.Windows.Controls.DataVisualization.dll

Syntax:

public abstract class DataItemBase : INotifyPropertyChanged

Inheritance: objectDataItemBase

Derived Classes: DataBarDataItemHeatMapItemSparkDataPointTimelineDataItem

Implements: INotifyPropertyChanged

Constructors

DataItemBase()

Initializes a new instance of the DataItemBase class.

protected DataItemBase()

Properties

DataItem

object

Gets or sets the data item.

public object DataItem { get; set; }

Property Value:

The data item.

Methods

GetValue(string)

object

Extracts the value from the DataItem and provided value path.

protected object GetValue(string valuePath)

Parameters:valuePathstring

The value path.

Returns:

object

OnPropertyChanged(object, PropertyChangedEventArgs)

Called when a property changes.

protected virtual void OnPropertyChanged(object sender, PropertyChangedEventArgs args)

Parameters:senderobject

The sender.

argsPropertyChangedEventArgs

The PropertyChangedEventArgs instance containing the event data.

OnPropertyChanged(string)

Raises the event.

protected void OnPropertyChanged(string propertyName)

Parameters:propertyNamestring

Name of the property.

RegisterObservableProperty(string, string)

Registers the observable property.

protected void RegisterObservableProperty(string sourceItemPropertyPath, string targetPropertyName)

Parameters:sourceItemPropertyPathstring

The source item property path.

targetPropertyNamestring

Name of the target property.

UnregisterObservableProperty(string, string)

Unregisters the observable property.

protected void UnregisterObservableProperty(string sourceItemPropertyPath, string targetPropertyName)

Parameters:sourceItemPropertyPathstring

The source item property path.

targetPropertyNamestring

Name of the target property.

UpdatePropertyRegistration(string, string, string)

Updates the property registration.

protected void UpdatePropertyRegistration(string oldSourceItemPropertyPath, string newSourceItemPropertyPath, string targetPropertyName)

Parameters:oldSourceItemPropertyPathstring

The old path.

newSourceItemPropertyPathstring

The new path.

targetPropertyNamestring

Name of the property.

Events

PropertyChanged

PropertyChangedEventHandler

Occurs when a property value changes.

public event PropertyChangedEventHandler PropertyChanged

Implements: INotifyPropertyChanged.PropertyChanged