MFC Documentation

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MFC
Class COleStreamFile

CObject
   |
   +--CFile
         |
         +--COleStreamFile

in AFXOLE.H

Direct Known Subclasses:: CMonikerFile

class COleStreamFile
extends CFile

COleStreamFile - implementation of CFile which uses an IStream

Field Summary
`LPSTREAM`	`m_lpStream`
`protected CString`	`m_strStorageName`

Fields inherited from class CFile

classCFile, m_hFile, m_bCloseOnDelete, m_strFileName

Fields inherited from class CObject

classCObject

Constructor Summary
`COleStreamFile( LPSTREAM lpStream = NULL )`
`virtual ~COleStreamFile()`

Method Summary
`virtual void`	`Abort()`
`void`	`Attach( LPSTREAM lpStream )`
`virtual void`	`Close()`
`BOOL`	`CreateMemoryStream( CFileException* pError = NULL )`
`BOOL`	`CreateStream( LPSTORAGE lpStorage, LPCTSTR lpszStreamName, DWORD nOpenFlags = modeReadWrite\| shareExclusive\| modeCreate, CFileException* pError = NULL )`
`LPSTREAM`	`Detach()`
`virtual CFile*`	`Duplicate() const`
`virtual void`	`Flush()`
`virtual DWORD`	`GetLength() const`
`virtual DWORD`	`GetPosition() const`
`BOOL`	`GetStatus( CFileStatus& rStatus ) const`
`virtual const CString`	`GetStorageName() const`
`IStream*`	`GetStream() const`
`virtual void`	`LockRange( DWORD dwPos, DWORD dwCount )`
`BOOL`	`OpenStream( LPSTORAGE lpStorage, LPCTSTR lpszStreamName, DWORD nOpenFlags = modeReadWrite\| shareExclusive, CFileException* pError = NULL )`
`virtual UINT`	`Read( void* lpBuf, UINT nCount )`
`virtual LONG`	`Seek( LONG lOff, UINT nFrom )`
`virtual void`	`SetLength( DWORD dwNewLen )`
`virtual void`	`UnlockRange( DWORD dwPos, DWORD dwCount )`
`virtual void`	`Write( const void* lpBuf, UINT nCount )`

Methods inherited from class CFile

GetRuntimeClass, HFILE, GetPosition, GetStatus, GetFileName, GetFileTitle, GetFilePath, SetFilePath, Open, Rename, Remove, GetStatus, SetStatus, SeekToEnd, SeekToBegin, ReadHuge, WriteHuge, Duplicate, Seek, SetLength, GetLength, Read, Write, LockRange, UnlockRange, Abort, Flush, Close, GetBufferPtr

Methods inherited from class CObject

GetRuntimeClass, new, new, delete, IsSerializable, IsKindOf, Serialize

Field Detail

m_lpStream

public LPSTREAM m_lpStream;

m_strStorageName

protected CString m_strStorageName;

Constructor Detail

COleStreamFile

public COleStreamFile( LPSTREAM lpStream = NULL );

~COleStreamFile

public virtual ~COleStreamFile();

Method Detail

Abort

public virtual void Abort();

Attach

public void Attach( LPSTREAM lpStream );

Close

public virtual void Close();

CreateMemoryStream

public BOOL CreateMemoryStream( CFileException* pError = NULL );

CreateStream

public BOOL CreateStream( LPSTORAGE lpStorage, LPCTSTR lpszStreamName, DWORD nOpenFlags = modeReadWrite| shareExclusive| modeCreate, CFileException* pError = NULL );

Detach

public LPSTREAM Detach();

Duplicate

public virtual CFile* Duplicate() const;

Flush

public virtual void Flush();

GetLength

public virtual DWORD GetLength() const;

GetPosition

public virtual DWORD GetPosition() const;

GetStatus

public BOOL GetStatus( CFileStatus& rStatus ) const;

GetStorageName

public virtual const CString GetStorageName() const;

GetStream

public IStream* GetStream() const;

LockRange

public virtual void LockRange( DWORD dwPos, DWORD dwCount );

OpenStream

public BOOL OpenStream( LPSTORAGE lpStorage, LPCTSTR lpszStreamName, DWORD nOpenFlags = modeReadWrite| shareExclusive, CFileException* pError = NULL );

Read

public virtual UINT Read( void* lpBuf, UINT nCount );

Seek

public virtual LONG Seek( LONG lOff, UINT nFrom );

SetLength

public virtual void SetLength( DWORD dwNewLen );

UnlockRange

public virtual void UnlockRange( DWORD dwPos, DWORD dwCount );

Write

public virtual void Write( const void* lpBuf, UINT nCount );