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IStream Interface

Provides the managed definition of the IStream interface, with ISequentialStream functionality.

Namespace:  System.Runtime.InteropServices.ComTypes
Assembly:  mscorlib (in mscorlib.dll)

[GuidAttribute("0000000c-0000-0000-C000-000000000046")]
[InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
public interface IStream

The IStream type exposes the following members.

  NameDescription
Public methodCloneCreates a new stream object with its own seek pointer that references the same bytes as the original stream.
Public methodCommitEnsures that any changes made to a stream object that is open in transacted mode are reflected in the parent storage.
Public methodCopyToCopies a specified number of bytes from the current seek pointer in the stream to the current seek pointer in another stream.
Public methodLockRegionRestricts access to a specified range of bytes in the stream.
Public methodReadReads a specified number of bytes from the stream object into memory starting at the current seek pointer.
Public methodRevertDiscards all changes that have been made to a transacted stream since the last Commit call.
Public methodSeekChanges the seek pointer to a new location relative to the beginning of the stream, to the end of the stream, or to the current seek pointer.
Public methodSetSizeChanges the size of the stream object.
Public methodStatRetrieves the STATSTG structure for this stream.
Public methodUnlockRegionRemoves the access restriction on a range of bytes previously restricted with the LockRegion method.
Public methodWriteWrites a specified number of bytes into the stream object starting at the current seek pointer.
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For more information, see the existing documentation for IStream and ISequentialStream in the the MSDN Library.

The common language runtime throws an exception when a COM method in native code returns an HRESULT. For more information, see How to: Map HRESULTs and Exceptions.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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