protected override void Open() { lock (this.db) { int[] statusVector = FesConnection.GetNewStatusVector(); int dbHandle = this.db.Handle; int trHandle = this.transaction.Handle; FbClient.isc_open_blob2( statusVector, ref dbHandle, ref trHandle, ref this.blobHandle, ref this.blobId, 0, new byte[0]); FesConnection.ParseStatusVector(statusVector); } }