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MemoryMappedFile.CreateViewStream Method

Creates a stream that maps to a view of the memory-mapped file.

Namespace:  System.IO.MemoryMappedFiles
Assembly:  System.Core (in System.Core.dll)

public MemoryMappedViewStream CreateViewStream()

Return Value

Type: System.IO.MemoryMappedFiles.MemoryMappedViewStream
A stream of memory.

ExceptionCondition
UnauthorizedAccessException

Access to the memory-mapped file is unauthorized.

You can use the stream returned by this method for sequential access to a memory-mapped file, such as for inter-process communications.

The following example creates a stream and writes a value to it. This code example is part of a larger example provided for the CreateNew method.

using (MemoryMappedViewStream stream = mmf.CreateViewStream())
{
    BinaryWriter writer = new BinaryWriter(stream);
    writer.Write(1);
}

.NET Framework

Supported in: 4.6, 4

.NET Framework Client Profile

Supported in: 4

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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