ICollection<T>.Contains(T) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Determines whether the ICollection<T> contains a specific value.
public:
bool Contains(T item);
public bool Contains (T item);
abstract member Contains : 'T -> bool
Public Function Contains (item As T) As Boolean
Parameters
- item
- T
The object to locate in the ICollection<T>.
Returns
true
if item
is found in the ICollection<T>; otherwise, false
.
Remarks
Implementations can vary in how they determine equality of objects; for example, List<T> uses Comparer<T>.Default, whereas Dictionary<TKey,TValue> allows the user to specify the IComparer<T> implementation to use for comparing keys.
Applies to
反馈
https://aka.ms/ContentUserFeedback。
即将发布:在整个 2024 年,我们将逐步淘汰作为内容反馈机制的“GitHub 问题”,并将其取代为新的反馈系统。 有关详细信息,请参阅:提交和查看相关反馈