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IList<T>.IndexOf(T) Method

Definition

Determines the index of a specific item in the IList<T>.

public:
 int IndexOf(T item);
public int IndexOf (T item);
abstract member IndexOf : 'T -> int
Public Function IndexOf (item As T) As Integer

Parameters

item
T

The object to locate in the IList<T>.

Returns

The index of item if found in the list; otherwise, -1.

Remarks

If an object occurs multiple times in the list, the IndexOf method always returns the first instance found.

Applies to