StringCollection.IList.IndexOf(Object) Method
Definition
Important
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Searches for the specified Object and returns the zero-based index of the first occurrence within the entire StringCollection.
virtual int System.Collections.IList.IndexOf(System::Object ^ value) = System::Collections::IList::IndexOf;int IList.IndexOf(object value);int IList.IndexOf(object? value);abstract member System.Collections.IList.IndexOf : obj -> int
override this.System.Collections.IList.IndexOf : obj -> intFunction IndexOf (value As Object) As Integer Implements IList.IndexOfParameters
- value
- Object
The Object to locate in the StringCollection. The value can be null.
Returns
The zero-based index of the first occurrence of value within the entire StringCollection, if found; otherwise, -1.
Implements
Remarks
The StringCollection is searched forward starting at the first element and ending at the last element.
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.
