Enumerable.SkipLast<TSource>(IEnumerable<TSource>, Int32) 方法

定義

傳回新的可列舉集合,其包含已省略來源集合最後 count 元素的所有 source 元素。Returns a new enumerable collection that contains the elements from source with the last count elements of the source collection omitted.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static System::Collections::Generic::IEnumerable<TSource> ^ SkipLast(System::Collections::Generic::IEnumerable<TSource> ^ source, int count);
public static System.Collections.Generic.IEnumerable<TSource> SkipLast<TSource> (this System.Collections.Generic.IEnumerable<TSource> source, int count);
static member SkipLast : seq<'Source> * int -> seq<'Source>
<Extension()>
Public Function SkipLast(Of TSource) (source As IEnumerable(Of TSource), count As Integer) As IEnumerable(Of TSource)

類型參數

TSource

可列舉集合中元素的類型。The type of the elements in the enumerable collection.

參數

source
IEnumerable<TSource>

可列舉集合執行個體。An enumerable collection instance.

count
Int32

要從集合末端移除的元素數。The number of elements to omit from the end of the collection.

傳回

IEnumerable<TSource>

新的可列舉集合,其包含從集合末端減去 count 元素的所有 source 元素。A new enumerable collection that contains the elements from source minus count elements from the end of the collection.

例外狀況

sourcenullsource is null.

備註

如果不是 count 正數,這個方法會傳回可列舉集合的相同複本 sourceIf count is not a positive number, this method returns an identical copy of the source enumerable collection.

適用於