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MemoryStream Constructor (array<Byte>)

Initializes a new non-resizable instance of the MemoryStream class based on the specified byte array.

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

public:
MemoryStream(
	array<unsigned char>^ buffer
)

Parameters

buffer
Type: array<System::Byte>
The array of unsigned bytes from which to create the current stream.

ExceptionCondition
ArgumentNullException

buffer is nullptr.

The CanRead, CanSeek, and CanWrite properties are all set to true. Capacity is set to the length of the specified byte array. The new stream can be written to, but is not resizable.

The length of the stream cannot be set to a value greater than the initial length of the specified byte array; however, the stream can be truncated (see SetLength).

This constructor does not expose the underlying stream. GetBuffer throws UnauthorizedAccessException.

.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.

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