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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 methodSupported by Portable Class LibraryCloneCreates a new stream object with its own seek pointer that references the same bytes as the original stream.
Public methodSupported by Portable Class LibraryCommitEnsures that any changes made to a stream object that is open in transacted mode are reflected in the parent storage.
Public methodSupported by Portable Class LibraryCopyToCopies a specified number of bytes from the current seek pointer in the stream to the current seek pointer in another stream.
Public methodSupported by Portable Class LibraryLockRegionRestricts access to a specified range of bytes in the stream.
Public methodSupported by Portable Class LibraryReadReads a specified number of bytes from the stream object into memory starting at the current seek pointer.
Public methodSupported by Portable Class LibraryRevertDiscards all changes that have been made to a transacted stream since the last Commit call.
Public methodSupported by Portable Class LibrarySeekChanges 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 methodSupported by Portable Class LibrarySetSizeChanges the size of the stream object.
Public methodSupported by Portable Class LibraryStatRetrieves the STATSTG structure for this stream.
Public methodSupported by Portable Class LibraryUnlockRegionRemoves the access restriction on a range of bytes previously restricted with the LockRegion method.
Public methodSupported by Portable Class LibraryWriteWrites 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: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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