private static void InitializeXlsFile(CompoundFile xlsFile)
{
if (xlsFile == null)
{
throw new ArgumentNullException();
}
xlsFile.AddStream(XlsDirectoryEntryNames.SummaryInformationStream, new byte[0x40]);
xlsFile.AddStream(XlsDirectoryEntryNames.DocumentSummaryInfomationStream, new byte[0x40]);
}
/// <summary>
/// Gets a child stream by its name or create a new one if not found.
/// </summary>
/// <param name="name">The name. May not be null.</param>
/// <returns>
/// An instance of the CompoundFileStream class.
/// </returns>
public CompoundFileStream GetOrAddChildStream(string name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
var stream = GetChildStream(name);
if (stream != null)
{
return(stream);
}
stream = _file.AddStream(this, name);
_streams.Add(stream);
return(stream);
}
private void SaveToCompoundStorage(Stream fileStream, string password)
{
if (fileStream != null)
{
BiffRecordWriter writer = null;
MemoryStream stream = new MemoryStream();
writer = new BiffRecordWriter(this._excelWriter, this._measure);
if (((password != null) && (password.Length > 0)) && (password.Length < 0x100))
{
writer.IsEncrypted = true;
}
writer.BuildStream((Stream)stream);
CompoundFile xlsFile = new CompoundFile(false);
InitializeXlsFile(xlsFile);
xlsFile.AddStream(XlsDirectoryEntryNames.WorkbookStream, stream.ToArray());
xlsFile.Write(fileStream);
}
}