/// <summary>
/// Adds the child record.
/// </summary>
/// <param name="record">The record.</param>
public void AddChildRecord(EscherRecord record)
{
this._childRecords.Add(record);
}
/// <summary>
/// Adds the child record.
/// </summary>
/// <param name="childRecord">The child record.</param>
public void AddChildRecord(EscherRecord childRecord)
{
ChildRecords.Add(childRecord);
}
public bool RemoveChildRecord(EscherRecord toBeRemoved)
{
return(_childRecords.Remove(toBeRemoved));
}
/// <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);
}
