Box. Object Collection. Index Of(Object) Method
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Retrieves the index within the collection of the specified item.
public: virtual int IndexOf(System::Object ^ value);
public int IndexOf (object value);
abstract member IndexOf : obj -> int override this.IndexOf : obj -> int
Public Function IndexOf (value As Object) As Integer
An object representing the item to locate in the collection.
The zero-based index where the item is located within the collection; otherwise, -1.
value parameter was
The IndexOf method enables you to determine where an item is located within the collection. To determine if an item is located within the collection before calling this method, use the Contains method.