CFile::SetLength
Call this function to change the length of the file.
virtual void SetLength(
ULONGLONG dwNewLen
);
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
참고
With CMemFile, this function could throw a CMemoryException object.
Example
CFile cfile;
cfile.Open(_T("SetLength_File.dat"), CFile::modeCreate |
CFile::modeReadWrite);
ULONGLONG dwNewLength = 10000;
cfile.SetLength(dwNewLength);
Requirements
Header: afx.h