Documentation

Class QueryableCollectionViewGroup

Represents a wrapper over an AggregateFunctionsGroup that allows adding and removing of child items/groups.

Inheritance
System.Object
QueryableCollectionViewGroup
GroupingImpl<TGroupKey, TItem>
QueryableCollectionViewGroupRoot
Namespace: Telerik.Windows.Data
Assembly: Telerik.Windows.Data.dll

Syntax

public class QueryableCollectionViewGroup : CollectionViewGroup, IGroup

Constructors

QueryableCollectionViewGroup(Object, IEnumerable, Int32, Boolean, AggregateResultCollection, QueryableCollectionViewGroup)

Initializes a new instance of the QueryableCollectionViewGroup class.

Declaration
protected QueryableCollectionViewGroup(object key, IEnumerable originalItems, int originalItemCount, bool hasSubgroups, AggregateResultCollection aggregateResults, QueryableCollectionViewGroup parentGroup)
Parameters
System.Object key

The group key.
System.Collections.IEnumerable originalItems

The original items.
System.Int32 originalItemCount

The original item count.
System.Boolean hasSubgroups

If set to true This group has child groups.
AggregateResultCollection aggregateResults

The aggregate results.
QueryableCollectionViewGroup parentGroup

The parent group.

Properties

AggregateResults

Gets the aggregate results.

Declaration
public AggregateResultCollection AggregateResults { get; }
Property Value
AggregateResultCollection

The aggregate results.

HasSubgroups

Gets a value indicating whether this instance has sub groups.

Declaration
public bool HasSubgroups { get; }
Property Value
System.Boolean

true if this instance has sub groups; otherwise, false.
Implements

IsBottomLevel

Gets a value that indicates whether this group has any subgroups.

Declaration
public override bool IsBottomLevel { get; }
Property Value
System.Boolean

Items

Gets the immediate items contained in this group.

Declaration
public ReadOnlyObservableCollection<object> Items { get; }
Property Value
System.Collections.ObjectModel.ReadOnlyObservableCollection<System.Object>

Key

Gets the key for this group.

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

The key for this group.
Implements

ParentGroup

Gets the parent group.

Declaration
public IGroup ParentGroup { get; }
Property Value
IGroup

The parent group.
Implements

RootGroup

Gets the root group.

Declaration
protected virtual QueryableCollectionViewGroupRoot RootGroup { get; }
Property Value
QueryableCollectionViewGroupRoot

The root group.

Subgroups

Gets the subgroups, if HasSubgroups is true, otherwise empty collection.

Declaration
public ReadOnlyCollection<IGroup> Subgroups { get; }
Property Value
System.Collections.ObjectModel.ReadOnlyCollection<IGroup>

The subgroups.
Implements

Methods

Equals(Object)

Declaration
public override bool Equals(object obj)
Parameters
System.Object obj

Returns
System.Boolean

GetHashCode()

Returns a hash code for this instance.

Declaration
public override int GetHashCode()
Returns
System.Int32

A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.

Load()

Loads all items for the group.

Declaration
protected void Load()

ToString()

Declaration
public override string ToString()
Returns
System.String

Explicit Interface Implementations

IGroup.get_ItemCount()

Declaration
int IGroup.get_ItemCount()
Returns
System.Int32

Implements
Telerik.Windows.Data.IGroup.get_ItemCount()

IGroup.Items

Declaration
IEnumerable IGroup.Items { get; }
Returns
System.Collections.IEnumerable

Implements

Extension Methods