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MemoryStream Constructor (
Byte , Int32, Int32, Boolean)
Initializes a new non-resizable instance of the
class based on the specified region of a byte array, with the MemoryStream property set as specified. CanWrite
Parameters buffer Type: System .Byte  The array of unsigned bytes from which to create this stream. index Type: System .Int32 The index in buffer at which the stream begins. count Type: System .Int32 The length of the stream in bytes. writable Type: System .Boolean The setting of the property, which determines whether the stream supports writing. CanWrite
and CanRead properties are both set to CanSeek . true is set to Capacity count.
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
This constructor does not expose the underlying stream.
throws GetBuffer . However, you can write to the stream if UnauthorizedAccessException writable is . true .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.