SortedList<TKey,TValue>.IndexOfKey(TKey) Method

Definition

Searches for the specified key and returns the zero-based index within the entire SortedList<TKey,TValue>.

public int IndexOfKey (TKey key);

Parameters

key
TKey

The key to locate in the SortedList<TKey,TValue>.

Returns

The zero-based index of key within the entire SortedList<TKey,TValue>, if found; otherwise, -1.

Exceptions

key is null.

Remarks

This method performs a binary search; therefore, this method is an O(log n) operation, where n is Count.

Applies to

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.3, 1.4, 1.6, 2.0, 2.1
UWP 10.0

See also