Class GroupBuilder<T>

Used to build groups from indexer

Inheritance
System.Object
GroupBuilder<T>
GridGroupBuilder
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.WinControls.Data
Assembly: Telerik.WinControls.dll

Syntax

public class GroupBuilder<T>
    where T : IDataItem
Type Parameters
T

Constructors

GroupBuilder(Index<T>)

Declaration
public GroupBuilder(Index<T> index)
Parameters
Index<T> index

Properties

CollectionView

Gets the collection view associated with this builder.

Declaration
public RadCollectionView<T> CollectionView { get; }
Property Value
RadCollectionView<T>

Comparer

Declaration
public virtual IComparer<Group<T>> Comparer { get; set; }
Property Value
System.Collections.Generic.IComparer<Group<T>>

DefaultGroupPredicate

Gets the default group predicate.

Declaration
public virtual GroupPredicate<T> DefaultGroupPredicate { get; }
Property Value
GroupPredicate<T>

The group predicate.

GroupPredicate

Gets or sets the group predicate.

Declaration
public virtual GroupPredicate<T> GroupPredicate { get; set; }
Property Value
GroupPredicate<T>

The group predicate.

Groups

Gets the groups.

Declaration
public GroupCollection<T> Groups { get; }
Property Value
GroupCollection<T>

The groups.

NeedsRefresh

Gets a value indicating whether [needs refresh].

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

true if [needs refresh]; otherwise, false.

Version

Declaration
protected int Version { get; }
Property Value
System.Int32

Methods

GetGroup(GroupCollection<T>, Group<T>, Group<T>, Object, Int32)

Declaration
protected virtual Group<T> GetGroup(GroupCollection<T> cache, Group<T> newGroup, Group<T> parent, object key, int level)
Parameters
GroupCollection<T> cache

Group<T> newGroup

Group<T> parent

System.Object key

System.Int32 level

Returns
Group<T>

GetItemGroup(T)

Declaration
public Group<T> GetItemGroup(T item)
Parameters
T item

Returns
Group<T>

GetItemKey(T, SortDescriptor)

Declaration
protected virtual object GetItemKey(T item, SortDescriptor descriptor)
Parameters
T item

SortDescriptor descriptor

Returns
System.Object

Perform(IReadOnlyCollection<T>, Int32, Group<T>)

Performs the grouping operation for specified items.

Declaration
public virtual GroupCollection<T> Perform(IReadOnlyCollection<T> items, int level, Group<T> parent)
Parameters
IReadOnlyCollection<T> items

The items.
System.Int32 level

The level.
Group<T> parent

The parent.
Returns
GroupCollection<T>

Extension Methods