MemoryStream Constructor (Byte[])

MemoryStream Constructor (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(
	byte[] buffer


Type: System.Byte[]

The array of unsigned bytes from which to create the current stream.

Exception Condition

buffer is null.

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.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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