共用方式為

CFile::SetLength

  • 發行項

virtualvoidSetLength(DWORDdwNewLen**);**
throw(CFileException);

Parameters

dwNewLen

Desired length of the file in bytes. This value can be larger or smaller than the current length of the file. The file will be extended or truncated as appropriate.

Remarks

Call this function to change the length of the file.

Note   With CMemFile, this function could throw a CMemoryException object.

Example

//example for CFile::SetLength
extern CFile cfile;
DWORD dwNewLength = 10000;
cfile.SetLength( dwNewLength );

CFile Overview |  Class Members |  Hierarchy Chart