internal MsgStorageWriter OpenAttachedMessageWriter()
{
if (this.attachMethod != 5)
{
throw new InvalidOperationException(MsgStorageStrings.NotAMessageAttachment);
}
ComStorage comStorage = null;
MsgStorageWriter msgStorageWriter = null;
try
{
TnefPropertyTag attachDataObj = TnefPropertyTag.AttachDataObj;
string storageName = Util.PropertyStreamName(attachDataObj);
MsgStoragePropertyData.WriteObject(this.propertiesWriter, attachDataObj, MsgStoragePropertyData.ObjectType.Message);
comStorage = this.subStorage.CreateStorage(storageName, ComStorage.OpenMode.CreateWrite);
comStorage.StorageClass = Util.ClassIdMessageAttachment;
msgStorageWriter = new MsgStorageWriter(this.owner, comStorage);
}
finally
{
if (msgStorageWriter == null && comStorage != null)
{
comStorage.Dispose();
}
}
return(msgStorageWriter);
}
internal Stream OpenOleAttachmentStream()
{
if (this.attachMethod != 6)
{
throw new InvalidOperationException(MsgStorageStrings.NotAnOleAttachment);
}
Stream cacheStream = Streams.CreateTemporaryStorageStream();
MsgStorageWriteStream msgStorageWriteStream = new MsgStorageWriteStream(cacheStream, 0);
msgStorageWriteStream.AddOnCloseNotifier(delegate(MsgStorageWriteStream stream, Exception onCloseException)
{
if (onCloseException != null)
{
this.owner.SetFailure(new MsgStorageException(MsgStorageErrorCode.FailedWrite, MsgStorageStrings.ComExceptionThrown, onCloseException));
return;
}
TnefPropertyTag attachDataObj = TnefPropertyTag.AttachDataObj;
ComStorage comStorage = null;
ComStorage comStorage2 = null;
string storageName = Util.PropertyStreamName(attachDataObj);
try
{
cacheStream.Flush();
cacheStream.Position = 0L;
comStorage = ComStorage.OpenStorageOnStream(cacheStream, ComStorage.OpenMode.Read);
comStorage2 = this.subStorage.CreateStorage(storageName, ComStorage.OpenMode.CreateWrite);
comStorage2.StorageClass = Util.ClassIdFileAttachment;
ComStorage.CopyStorageContent(comStorage, comStorage2);
comStorage2.Flush();
MsgStoragePropertyData.WriteObject(this.propertiesWriter, attachDataObj, MsgStoragePropertyData.ObjectType.Storage);
}
catch (IOException exc)
{
this.owner.SetFailure(new MsgStorageException(MsgStorageErrorCode.FailedWriteOle, MsgStorageStrings.CorruptData, exc));
}
catch (COMException exc2)
{
this.owner.SetFailure(new MsgStorageException(MsgStorageErrorCode.FailedWriteOle, MsgStorageStrings.CorruptData, exc2));
}
finally
{
if (comStorage2 != null)
{
comStorage2.Dispose();
}
if (comStorage != null)
{
comStorage.Dispose();
}
if (cacheStream != null)
{
cacheStream.Dispose();
}
}
});
return(msgStorageWriteStream);
}