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SortedList<TKey, TValue>.IndexOfKey Method

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

Namespace:  System.Collections.Generic
Assembly:  System (in System.dll)

public int IndexOfKey(
	TKey key
)

Parameters

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

Return Value

Type: System.Int32
The zero-based index of key within the entire SortedList<TKey, TValue>, if found; otherwise, -1.

ExceptionCondition
ArgumentNullException

key is null.

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

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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