Table of Contents

Interface IGrouping<TObject, TKey, TGroupKey>

Namespace
DynamicData
Assembly
DynamicData.dll

Represents a group which provides an update after any value within the group changes.

public interface IGrouping<TObject, TKey, out TGroupKey> where TObject : notnull

Type Parameters

TObject

The type of the object.

TKey

The type of the key.

TGroupKey

The type of the group key.

Extension Methods
WhenAnyMixin.WhenAny<TSender, TRet, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(TSender?, Expression<Func<TSender, T1>>, Expression<Func<TSender, T2>>, Expression<Func<TSender, T3>>, Expression<Func<TSender, T4>>, Expression<Func<TSender, T5>>, Expression<Func<TSender, T6>>, Expression<Func<TSender, T7>>, Expression<Func<TSender, T8>>, Expression<Func<TSender, T9>>, Expression<Func<TSender, T10>>, Expression<Func<TSender, T11>>, Expression<Func<TSender, T12>>, Func<IObservedChange<TSender, T1>, IObservedChange<TSender, T2>, IObservedChange<TSender, T3>, IObservedChange<TSender, T4>, IObservedChange<TSender, T5>, IObservedChange<TSender, T6>, IObservedChange<TSender, T7>, IObservedChange<TSender, T8>, IObservedChange<TSender, T9>, IObservedChange<TSender, T10>, IObservedChange<TSender, T11>, IObservedChange<TSender, T12>, TRet>)
WhenAnyMixin.WhenAny<TSender, TRet, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(TSender?, Expression<Func<TSender, T1>>, Expression<Func<TSender, T2>>, Expression<Func<TSender, T3>>, Expression<Func<TSender, T4>>, Expression<Func<TSender, T5>>, Expression<Func<TSender, T6>>, Expression<Func<TSender, T7>>, Expression<Func<TSender, T8>>, Expression<Func<TSender, T9>>, Expression<Func<TSender, T10>>, Expression<Func<TSender, T11>>, Expression<Func<TSender, T12>>, Func<IObservedChange<TSender, T1>, IObservedChange<TSender, T2>, IObservedChange<TSender, T3>, IObservedChange<TSender, T4>, IObservedChange<TSender, T5>, IObservedChange<TSender, T6>, IObservedChange<TSender, T7>, IObservedChange<TSender, T8>, IObservedChange<TSender, T9>, IObservedChange<TSender, T10>, IObservedChange<TSender, T11>, IObservedChange<TSender, T12>, TRet>, bool)

Properties

Count

Gets the count.

int Count { get; }

Property Value

int

Items

Gets the items.

IEnumerable<TObject> Items { get; }

Property Value

IEnumerable<TObject>

Key

Gets the group key.

TGroupKey Key { get; }

Property Value

TGroupKey

KeyValues

Gets the items together with their keys.

IEnumerable<KeyValuePair<TKey, TObject>> KeyValues { get; }

Property Value

IEnumerable<KeyValuePair<TKey, TObject>>

The key values.

Keys

Gets the keys.

IEnumerable<TKey> Keys { get; }

Property Value

IEnumerable<TKey>

Methods

Lookup(TKey)

Lookup a single item using the specified key.

Optional<TObject> Lookup(TKey key)

Parameters

key TKey

The key.

Returns

Optional<TObject>

The value that is looked up.

Remarks

Fast indexed lookup.