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 |