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NameTable.Add Method (Char[], Int32, Int32)

Atomizes the specified string and adds it to the NameTable.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)

public override string Add(
	char[] key,
	int start,
	int len


Type: System.Char[]
The character array containing the string to add.
Type: System.Int32
The zero-based index into the array specifying the first character of the string.
Type: System.Int32
The number of characters in the string.

Return Value

Type: System.String
The atomized string or the existing string if one already exists in the NameTable. If len is zero, String.Empty is returned.


0 > start


start >= key.Length


len >= key.Length

The above conditions do not cause an exception to be thrown if len =0.


len < 0.

For more information on atomized strings, see NameTable.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

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.