DeflaterOutputStream.Seek Method 

I needed to implement the abstract member.

[Visual Basic]
Overrides Public Function Seek( _
   ByVal offset As Long, _
   ByVal origin As System.IO.SeekOrigin _
) As Long

[C#]
public override long Seek(
   long offset,
   SeekOrigin origin
);

See Also

DeflaterOutputStream Class | DeflaterOutputStream Members | ICSharpCode.SharpZipLib.Zip.Compression.Streams Namespace