IStream

[Properties (by Name)][Methods (by Name)][Events (by Name)]

COM stream abstraction

Declaration

Source position: types.pp line 318

Type
  IStream = interface (ISequentialStream) ['{0000000C-0000-0000-C000-000000000046}']
    function Seek(dlibMove: Largeint; dwOrigin: DWORD; 
                 out libNewPosition: LargeUint) : HRESULT;
    function SetSize(libNewSize: LargeUint) : HRESULT;
    function CopyTo(stm: IStream; cb: LargeUint; out cbRead: LargeUint; 
                   out cbWritten: LargeUint) : HRESULT;
    function Commit(grfCommitFlags: DWORD) : HRESULT;
    function Revert : HRESULT;
    function LockRegion(libOffset: LargeUint; cb: LargeUint; 
                       dwLockType: DWORD) : HRESULT;
    function UnlockRegion(libOffset: LargeUint; cb: LargeUint; 
                         dwLockType: DWORD) : HRESULT;
    function Stat(out statstg: TStatStg; grfStatFlag: DWORD) : HRESULT;
    function Clone(out stm: IStream) : HRESULT;
  end
  ;

Description

An abstract interface for an external (non pascal) stream, as defined in Microsoft COM interfaces

Members

Member	Type	Visibility	Description
Clone	Method	default	Clone the stream instance
Commit	Method	default	Commit data to the stream
CopyTo	Method	default	Copy data from one stream to another
LockRegion	Method	default	Lock a region of bytes in the stream
Revert	Method	default	Revert changes
Seek	Method	default	Set the stream position
SetSize	Method	default	Set the stream size
Stat	Method	default	return information about the stream.
UnlockRegion	Method	default	Unlocks a previously locked region of bytes in the stream

Inheritance

Class	Description
IStream	COM stream abstraction