File.SetSize

Syntax

function File.SetSize(F: pointer; NewSize: large-integer): integer

Alternative Names

Description

Modifies the size of the given file-stream and sets it to NewSize bytes. If the existing file was larger, it's truncated, if it's smaller, it is extended.

Always Returns zero.

See also

Example

execute udsblock

as

begin

  /* create a file that will be 1GB in size */ 

  fs = File.Create('c:\data\sample.dat, __encNONE);

  try

    /* make sure the file is 1 GB in size */

    File.SetSize(fs, 1024 * 1024 * 1024);

    /* go back to the beginning */

    File.Seek(fs, 0, __soFromBeginning);

    /* ... write data ... */

  finally

    File.Close(fs);

  end

end