1)
  if not UseConvDir then
    begin
      InFile := MakeTempFilename + FromFormat;
      OutFile := MakeTempFilename + '.html';
    end
  else
    begin
      InFile := TempDir + IntToStr(FileCount) + FromFormat;
      OutFile := TempDir + IntToStr(FileCount) + '.html';
      Inc(FileCount);
    end;

  2)
  if not UseConvDir then
  begin
    InFile := MakeTempFilename + FromFormat;
    OutFile := MakeTempFilename + '.html';
  end
  else
  begin
    InFile := TempDir + IntToStr(FileCount) + FromFormat;
    OutFile := TempDir + IntToStr(FileCount) + '.html';
    Inc(FileCount);
  end;