IByteBuffer interface

[The IByteBuffer interface is available for use in the operating systems specified in the Requirements section. It is not available for use in Windows Server 2003 with Service Pack 1 (SP1) and later, Windows Vista, Windows Server 2008, and subsequent versions of the operating system. The IStream interface provides similar functionality.]

The IByteBuffer interface is provided to read, write and manage stream objects. This object essentially is a wrapper for the IStream object.

Members

The IByteBuffer interface inherits from the IDispatch interface. IByteBuffer also has these types of members:

• Methods

Methods

The IByteBuffer interface has these methods.

Method	Description
Clone	Clones an IByteBuffer object.
Commit	Commits a transaction.
CopyTo	Copies bytes to another object.
Initialize	Initializes the IByteBuffer object.
LockRegion	Restricts access to a range of bytes.
Read	Reads bytes into memory.
Revert	Discards changes since the last Commit call.
Seek	Changes the seek pointer.
SetSize	Changes the size of the stream object.
Stat	Retrieves statistical information about a stream.
UnlockRegion	Removes access restriction previously set by LockRegion.
Write	Writes bytes to the stream.

Requirements

Requirement	Value
Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
End of client support	Windows XP
End of server support	Windows Server 2003
Header	Scardssp.h
Type library	Scardssp.tlb
DLL	Scardssp.dll
IID	IID_IByteBuffer is defined as E126F8FE-A7AF-11D0-B88A-00C04FD424B9