ObservableGroupedCollectionExtensions.SetItem<TKey,TValue> Method

Reference

Definition

Namespace:: CommunityToolkit.Common.Collections

Assembly:: CommunityToolkit.Common.dll

Package:: CommunityToolkit.Common v7.0.3

Important

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Replace the element at index with item in the first group with key key.

public static CommunityToolkit.Common.Collections.ObservableGroup<TKey,TValue> SetItem<TKey,TValue> (this CommunityToolkit.Common.Collections.ObservableGroupedCollection<TKey,TValue> source, TKey key, int index, TValue item);

static member SetItem : CommunityToolkit.Common.Collections.ObservableGroupedCollection<'Key, 'Value> * 'Key * int * 'Value -> CommunityToolkit.Common.Collections.ObservableGroup<'Key, 'Value>

<Extension()>
Public Function SetItem(Of TKey, TValue) (source As ObservableGroupedCollection(Of TKey, TValue), key As TKey, index As Integer, item As TValue) As ObservableGroup(Of TKey, TValue)

Type Parameters

TKey

The type of the group key.

TValue

The type of the items in the collection.

Parameters

source: ObservableGroupedCollection<TKey,TValue>

The source ObservableGroupedCollection<TKey,TValue> instance.

key: TKey

The key of the group where to replace the item.

index: Int32

The index where to insert item.

item: TValue

The item to add.

Returns

ObservableGroup<TKey,TValue>

The instance of the ObservableGroup<TKey,TValue> which will receive the value.

Exceptions

InvalidOperationException

The target group does not exist.

ArgumentOutOfRangeException

index is less than zero or index is greater than the group elements' count.

Applies to

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