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String Constructor (SByte*, Int32, Int32)

Initializes a new instance of the String class to the value indicated by a specified pointer to an array of 8-bit signed integers, a starting position within that array, and a length.

This API is not CLS-compliant. 

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

'Declaration
Visual Basic does not support APIs that consume or return unsafe types.

Parameters

value
Type: System.SByte*

A pointer to an array of 8-bit signed integers.

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 Nothing.

ArgumentOutOfRangeException

startIndex or length is less than zero.

-or-

The address specified by value + startIndex is too large for the current platform; that is, the address calculation overflowed.

-or-

The length of the new string to initialize is too large to allocate.

ArgumentException

The address specified by value + startIndex is less than 64K.

-or-

A new instance of String could not be initialized using value, assuming value is encoded in ANSI.

AccessViolationException

value, startIndex, and length collectively specify an invalid address.

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

  • SecurityCriticalAttribute 

    requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

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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