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CollectionsUtil.CreateCaseInsensitiveHashtable Method (IDictionary)

Copies the entries from the specified dictionary to a new case-insensitive instance of the Hashtable class with the same initial capacity as the number of entries copied.

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

public static Hashtable CreateCaseInsensitiveHashtable(
	IDictionary d


Type: System.Collections.IDictionary

The IDictionary to copy to a new case-insensitive Hashtable.

Return Value

Type: System.Collections.Hashtable
A new case-insensitive instance of the Hashtable class containing the entries from the specified IDictionary.


d is null.

Instead of using the CreateCaseInsensitiveHashtable method, use the Hashtable.Hashtable(IDictionary, IEqualityComparer) constructor to create a case-insensitive Hashtable class.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0