Method IndexOf

IndexOf(T)

Returns the first index of the specified item in the equatable array, or -1 if not found.

Declaration
public int IndexOf(T item)
Parameters
Type Name Description
T item
Returns
Type Description
int
Implements
IList<T>.IndexOf(T)

IndexOf(T, IEqualityComparer<T>?)

Returns the first index of the specified item in the equatable array, or -1 if not found.

Declaration
public int IndexOf(T item, IEqualityComparer<T>? equalityComparer)
Parameters
Type Name Description
T item
IEqualityComparer<T> equalityComparer
Returns
Type Description
int

IndexOf(T, int)

Returns the first index of the specified item in the equatable array, or -1 if not found.

Declaration
public int IndexOf(T item, int startIndex)
Parameters
Type Name Description
T item
int startIndex
Returns
Type Description
int

IndexOf(T, int, IEqualityComparer<T>?)

Returns the first index of the specified item in the equatable array, or -1 if not found.

Declaration
public int IndexOf(T item, int startIndex, IEqualityComparer<T>? equalityComparer)
Parameters
Type Name Description
T item
int startIndex
IEqualityComparer<T> equalityComparer
Returns
Type Description
int

IndexOf(T, int, int)

Returns the first index of the specified item in the equatable array, or -1 if not found.

Declaration
public int IndexOf(T item, int startIndex, int count)
Parameters
Type Name Description
T item
int startIndex
int count
Returns
Type Description
int

IndexOf(T, int, int, IEqualityComparer<T>?)

Returns the first index of the specified item in the equatable array, or -1 if not found.

Declaration
public int IndexOf(T item, int startIndex, int count, IEqualityComparer<T>? equalityComparer)
Parameters
Type Name Description
T item
int startIndex
int count
IEqualityComparer<T> equalityComparer
Returns
Type Description
int