CFile::SeekToBegin
Sets the value of the file pointer to the beginning of the file.
void SeekToBegin( );
Remarks
SeekToBegin() is equivalent to Seek( 0L, CFile::begin ).
Example
CFile f;
f.Open(_T("Seeker_File.dat"), CFile::modeCreate |
CFile::modeReadWrite);
f.SeekToBegin();
ULONGLONG ullEnd = f.SeekToEnd();
Requirements
Header: afx.h