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ConstantSelectDescriptor

Class

This SelectDescriptor set a constant value to the projected instance.

Definition

Namespace:Telerik.Windows.Controls.TreeMap

Assembly:Telerik.Windows.Controls.DataVisualization.dll

Syntax:

public class ConstantSelectDescriptor : TypedSelectDescriptor, ISuspendNotifications, ITypedSelectDescriptor, ISelectDescriptor, INotifyPropertyChanged

Inheritance: objectInheritanceContextPropagatorDescriptorBaseSelectDescriptorTypedSelectDescriptorConstantSelectDescriptor...

Implements: INotifyPropertyChangedISelectDescriptorISuspendNotificationsITypedSelectDescriptor

Inherited Members TypedSelectDescriptor.TypeNameSelectDescriptor.SourceMemberNameSelectDescriptor.ProjectedMemberTypeSelectDescriptor.ProjectedMemberNameDescriptorBase.OnPropertyChanged(PropertyChangedEventArgs)DescriptorBase.OnPropertyChanged(string)DescriptorBase.SuspendNotifications()DescriptorBase.ResumeNotifications()DescriptorBase.NotificationsSuspendedDescriptorBase.PropertyChangedInheritanceContextPropagator.CreateInstanceCore()InheritanceContextPropagator.FreezeCore(bool)...

Constructors

ConstantSelectDescriptor()

public ConstantSelectDescriptor()

Properties

ConstantValue

object

Gets or sets the constant value.

public object ConstantValue { get; set; }

Property Value:

The constant value.

Methods

CreateSelectExpression(Expression)

Expression

Creates a predicate selection expression used for collection selection.

public override Expression CreateSelectExpression(Expression instance)

Parameters:instanceExpression

The instance expression, which will be used for selection.

Returns:

Expression

A predicate selection expression.

Overrides: SelectDescriptor.CreateSelectExpression(Expression)