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GroupDescriptorBase Class
Serves as a base class for group descriptors. Holds SortDirection that will be used to sort the groups created from the descriptor.
Inheritance Hierarchy

Namespace: Telerik.Windows.Data
Assembly: Telerik.Windows.Data (in Telerik.Windows.Data.dll) Version: 2017.2.614.40 (2017.2.614.40)
Syntax
public abstract class GroupDescriptorBase : DescriptorBase, 
	IGroupDescriptor, INotifyPropertyChanged

The GroupDescriptorBase type exposes the following members.

Constructors
  NameDescription
Protected methodGroupDescriptorBase
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Methods
  NameDescription
Public methodCreateGroupKeyExpression(Expression)
Creates a group expression by delegating its creation to CreateGroupKeyExpression(ParameterExpression), if itemExpression is ParameterExpression, otherwise throws ArgumentException
Protected methodCreateGroupKeyExpression(ParameterExpression)
Creates a group expression that returns the grouping key for each item in a collection.
Public methodCreateGroupSortExpression
Creates sorting key expression that sorts the groups created from this descriptor using the group's key.
Protected methodCreateInstanceCore
When implemented in a derived class, creates a new instance of the Freezable derived class.
(Inherited from InheritanceContextPropagator.)
Public methodCycleSortDirection
Changes the SortDescriptor to the next logical value.
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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Fields
  NameDescription
Public fieldStatic memberDisplayContentProperty
Identifies the DisplayContent dependency property.
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Properties
  NameDescription
Public propertyDisplayContent
Gets or sets the content which will be used to visually represent this descriptor.
Public propertyNotificationsSuspended
Gets or sets a value indicating whether change notifications are suspended.
(Inherited from DescriptorBase.)
Public propertySortDirection
Gets or sets the sort direction for this descriptor. If the value is null no sorting will be applied.
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Events
  NameDescription
Public eventPropertyChanged
Occurs when a property changes.
(Inherited from DescriptorBase.)
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See Also