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CFile::SetLength

Visual Studio .NET 2003

Call this function to change the length of the file.

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virtual void SetLength(
   ULONGLONG dwNewLen 
);

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.

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

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