List<T>.IList.Contains(Object) Method
Definition
Important
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Determines whether the IList contains a specific value.
virtual bool System.Collections.IList.Contains(System::Object ^ item) = System::Collections::IList::Contains;bool IList.Contains (object item);abstract member System.Collections.IList.Contains : obj -> bool
override this.System.Collections.IList.Contains : obj -> boolFunction Contains (item As Object) As Boolean Implements IList.ContainsParameters
Returns
true if item is found in the IList; otherwise, false.
Implements
Remarks
This method determines equality using the default equality comparer EqualityComparer<T>.Default for T, the type of values in the list.
This method performs a linear search; therefore, this method is an O(n) operation, where n is Count.
Applies to
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