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ConstantSelectDescriptor Class
This SelectDescriptor set a constant value to the projected instance.
Inheritance Hierarchy

Namespace: Telerik.Windows.Controls.TreeMap
Assembly: Telerik.Windows.Controls.DataVisualization (in Telerik.Windows.Controls.DataVisualization.dll) Version: 2017.2.614.40 (2017.2.614.40)
Syntax
public class ConstantSelectDescriptor : TypedSelectDescriptor

The ConstantSelectDescriptor type exposes the following members.

Constructors
  NameDescription
Public methodConstantSelectDescriptor
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Methods
  NameDescription
Protected methodCreateInstanceCore
When implemented in a derived class, creates a new instance of the Freezable derived class.
(Inherited from InheritanceContextPropagator.)
Public methodCreateSelectExpression
Creates a predicate selection expression used for collection selection.
(Overrides SelectDescriptorCreateSelectExpression(Expression).)
Protected methodFreezeCore
Makes the Freezable object unmodifiable or tests whether it can be made unmodifiable.
(Inherited from InheritanceContextPropagator.)
Protected methodOnPropertyChanged(PropertyChangedEventArgs)
Raises the PropertyChanged event.
(Inherited from DescriptorBase.)
Protected methodOnPropertyChanged(String)
Calls OnPropertyChanged(PropertyChangedEventArgs) creating a new instance of PropertyChangedEventArgs with given propertyName.
(Inherited from DescriptorBase.)
Public methodResumeNotifications
Resumes the notifications.
(Inherited from DescriptorBase.)
Public methodSuspendNotifications
Suspends the notifications.
(Inherited from DescriptorBase.)
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Extension Methods
  NameDescription
Public Extension MethodChildrenOfTypeT
Gets all child elements recursively from the visual tree by given type.
(Defined by ChildrenOfTypeExtensions.)
Public Extension MethodClearIfNoBindingAndSet
Clears if set.
(Defined by CommonExtensions.)
Public Extension MethodClearIfSet
Clears the property if a value has been set.
(Defined by CommonExtensions.)
Public Extension MethodFindChildByTypeT
Finds child element of the specified type. Uses breadth-first search.
(Defined by ChildrenOfTypeExtensions.)
Public Extension MethodGetParents
Enumerates through element's parents in the visual tree.
(Defined by ParentOfTypeExtensions.)
Public Extension MethodGetVisualParentT
Searches up in the visual tree for parent element of the specified type.
(Defined by ParentOfTypeExtensions.)
Public Extension MethodIsAncestorOf
Determines whether the element is an ancestor of the descendant.
(Defined by ParentOfTypeExtensions.)
Public Extension MethodIsLocalValueSet(DependencyProperty)Overloaded.
Determines whether the specified dependency property local value is set.
(Defined by DependencyObjectExtensions.)
Public Extension MethodIsLocalValueSet(DependencyProperty)Overloaded.
Determines whether the specified dependency property local value is set.
(Defined by CommonExtensions.)
Public Extension MethodParentOfTypeT
Gets the parent element from the visual tree by given type.
(Defined by ParentOfTypeExtensions.)
Public Extension MethodSetIfDifferent
Sets the value of the dependencyProperty property if it's hasn't that value currently.
(Defined by CommonExtensions.)
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Properties
  NameDescription
Public propertyConstantValue
Gets or sets the constant value.
Public propertyNotificationsSuspended
Gets or sets a value indicating whether change notifications are suspended.
(Inherited from DescriptorBase.)
Public propertyProjectedMemberName
Gets or sets the name of the projected member.
(Inherited from SelectDescriptor.)
Public propertyProjectedMemberType
Gets or sets the type of the projected member.
(Inherited from SelectDescriptor.)
Public propertySourceMemberName
Gets or sets the name of the source member.
(Inherited from SelectDescriptor.)
Public propertyTypeName
Gets or sets the name of the type.
(Inherited from TypedSelectDescriptor.)
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Events
  NameDescription
Public eventPropertyChanged
Occurs when a property changes.
(Inherited from DescriptorBase.)
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See Also