StringCollection.IList.Contains(Object) Method
Definition
Important
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Determines whether an element is in the StringCollection.
virtual bool System.Collections.IList.Contains(System::Object ^ value) = System::Collections::IList::Contains;
bool IList.Contains(object value);
bool IList.Contains(object? value);
abstract member System.Collections.IList.Contains : obj -> bool
override this.System.Collections.IList.Contains : obj -> bool
Function Contains (value As Object) As Boolean Implements IList.Contains
Parameters
- value
- Object
The Object to locate in the StringCollection. The value can be null
.
Returns
true
if value
is found in the StringCollection; otherwise, false
.
Implements
Remarks
This method determines equality by calling Object.Equals.
This method performs a linear search; therefore, this method is an O(n
) operation, where n
is Count.
This method uses the collection's objects' Equals and CompareTo methods on item
to determine whether item
exists.