MemoryStream Constructor (Byte[], Boolean)
Initializes a new non-resizable instance of the MemoryStream class based on the specified byte array with the CanWrite property set as specified.
Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)
Parameters
- buffer
- Type: System.Byte[]
The array of unsigned bytes from which to create this stream.
- writable
- Type: System.Boolean
The setting of the CanWrite property, which determines whether the stream supports writing.
| Exception | Condition |
|---|---|
| ArgumentNullException | buffer is a null reference (Nothing in Visual Basic). |
The CanRead and CanSeek properties are both set to true. Capacity is set to the length of the specified byte array.
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.
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.