/// <summary>
/// Recursively find records with the specified record ID
/// </summary>
/// <param name="recordId"></param>
/// <param name="out1">list to store found records</param>
public void GetRecordsById(short recordId, ref List <object> out1)
{
for (IEnumerator it = ChildRecords.GetEnumerator(); it.MoveNext();)
{
object er = it.Current;
EscherRecord r = (EscherRecord)er;
if (r is EscherContainerRecord)
{
EscherContainerRecord c = (EscherContainerRecord)r;
c.GetRecordsById(recordId, ref out1);
}
else if (r.RecordId == recordId)
{
out1.Add(er);
}
}
}
/// <summary>
/// Generates an escher record including the any children contained under that record.
/// An exception is thrown if the record could not be generated.
/// </summary>
/// <param name="data">The byte array containing the records</param>
/// <param name="offset">The starting offset into the byte array</param>
/// <returns>The generated escher record</returns>
public virtual EscherRecord CreateRecord(byte[] data, int offset)
{
short options = LittleEndian.GetShort(data, offset);
short recordId = LittleEndian.GetShort(data, offset + 2);
// int remainingBytes = LittleEndian.getInt( data, offset + 4 );
// Options of 0x000F means container record
// However, EscherTextboxRecord are containers of records for the
// host application, not of other Escher records, so treat them
// differently
if (IsContainer(options, recordId))
{
EscherContainerRecord r = new EscherContainerRecord();
r.RecordId = recordId;
r.Options = options;
return(r);
}
if (recordId >= EscherBlipRecord.RECORD_ID_START && recordId <= EscherBlipRecord.RECORD_ID_END)
{
EscherBlipRecord r;
if (recordId == EscherBitmapBlip.RECORD_ID_DIB ||
recordId == EscherBitmapBlip.RECORD_ID_JPEG ||
recordId == EscherBitmapBlip.RECORD_ID_PNG)
{
r = new EscherBitmapBlip();
}
else if (recordId == EscherMetafileBlip.RECORD_ID_EMF ||
recordId == EscherMetafileBlip.RECORD_ID_WMF ||
recordId == EscherMetafileBlip.RECORD_ID_PICT)
{
r = new EscherMetafileBlip();
}
else
{
r = new EscherBlipRecord();
}
r.RecordId = recordId;
r.Options = options;
return(r);
}
//ConstructorInfo recordConstructor = (ConstructorInfo) recordsMap[header.RecordId];
ConstructorInfo recordConstructor = null;
if (recordsMap.ContainsKey(recordId))
{
recordConstructor = recordsMap[recordId];
}
EscherRecord escherRecord = null;
if (recordConstructor == null)
{
return(new UnknownEscherRecord());
}
try
{
escherRecord = (EscherRecord)recordConstructor.Invoke(new object[] { });
//escherRecord = (EscherRecord)Activator.CreateInstance(recordConstructor);
}
catch (Exception)
{
return(new UnknownEscherRecord());
}
escherRecord.RecordId = recordId;
escherRecord.Options = options;
return(escherRecord);
}