private void GetSummaryInformation(OleDocument doc)
{
using (Stream SummaryInformation = doc.OpenStream("SummaryInformation"))
{
if (SummaryInformation != null)
{
SummaryInformation.Seek(0, SeekOrigin.Begin);
OleStream os = new OleStream(SummaryInformation);
os.GetMetadata(this.foundMetadata);
}
}
using (Stream DocumentSummaryInformation = doc.OpenStream("DocumentSummaryInformation"))
{
if (DocumentSummaryInformation != null)
{
DocumentSummaryInformation.Seek(0, SeekOrigin.Begin);
OleStream os = new OleStream(DocumentSummaryInformation);
os.GetMetadata(this.foundMetadata);
}
}
}
public void GetOperatingSystemFromStreamHeaders(out byte high, out byte low)
{
high = low = 0;
List <DirEntry> lstStreams = new List <DirEntry>();
lstStreams.AddRange(SearchStreams("SummaryInformation"));
lstStreams.AddRange(SearchStreams("DocumentSummaryInformation"));
foreach (DirEntry de in lstStreams)
{
using (Stream SummaryInformation = OpenStream(de))
{
if (SummaryInformation != null)
{
SummaryInformation.Seek(0, SeekOrigin.Begin);
OleStream os = new OleStream(SummaryInformation);
os.GetOperatingSystem(out high, out low);
if (high != 0 || low != 0)
{
break;
}
}
}
}
}