/**
* Will create whichever of SummaryInformation
* and DocumentSummaryInformation (HPSF) properties
* are not already part of your document.
* This is normally useful when creating a new
* document from scratch.
* If the information properties are already there,
* then nothing will happen.
*/
public void CreateInformationProperties()
{
if (!initialized) ReadProperties();
if (sInf == null)
{
sInf = PropertySetFactory.CreateSummaryInformation();
}
if (dsInf == null)
{
dsInf = PropertySetFactory.CreateDocumentSummaryInformation();
}
}
/// <summary>
/// Find, and Create objects for, the standard
/// Documment Information Properties (HPSF).
/// If a given property Set is missing or corrupt,
/// it will remain null;
/// </summary>
protected void ReadProperties()
{
PropertySet ps;
// DocumentSummaryInformation
ps = GetPropertySet(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
if (ps != null && ps is DocumentSummaryInformation)
{
dsInf = (DocumentSummaryInformation)ps;
}
else if (ps != null)
{
//logger.Log(POILogger.WARN, "DocumentSummaryInformation property Set came back with wrong class - ", ps.GetType());
}
// SummaryInformation
ps = GetPropertySet(SummaryInformation.DEFAULT_STREAM_NAME);
if (ps is SummaryInformation)
{
sInf = (SummaryInformation)ps;
}
else if (ps != null)
{
//logger.Log(POILogger.WARN, "SummaryInformation property Set came back with wrong class - ", ps.GetType());
}
// Mark the fact that we've now loaded up the properties
initialized = true;
}