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IndexOfKey Method

SortedList.IndexOfKey Method

Searches for the specified key and returns the zero-based index within the entire SortedList.

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

public int IndexOfKey (
	TKey key
)
public int IndexOfKey (
	TKey key
)
public function IndexOfKey (
	key : TKey
) : int
Not applicable.

Parameters

key

The key to locate in the SortedList.

Return Value

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

Exception typeCondition

ArgumentNullException

key is a null reference (Nothing in Visual Basic).

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

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0

XNA Framework

Supported in: 1.0

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