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String Constructor (Char[], Int32, Int32)

Initializes a new instance of the String class to the value indicated by an array of Unicode characters, a starting character position within that array, and a length.

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

public String(
	char[] value,
	int startIndex,
	int length
)

Parameters

value
Type: System.Char[]

An array of Unicode characters.

startIndex
Type: System.Int32

The starting position within value.

length
Type: System.Int32

The number of characters within value to use.

ExceptionCondition
ArgumentNullException

value is null.

ArgumentOutOfRangeException

startIndex or length is less than zero.

-or-

The sum of startIndex and length is greater than the number of elements in value.

NoteNote

For examples and comprehensive usage information about this and other String constructor overloads, see the String constructor summary.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 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

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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