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Searches for the specified object and returns the zero-based index of the first occurrence within the entire ListWithEvents<T>.
public int IndexOf(T item)
public:int IndexOf(T^ item)
item
The object to locate in the ListWithEvents<T>. The value can be null for reference types.
The zero-based index of the first occurrence of item within the ListWithEvents<T>, if found; otherwise, -1.
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