write id3 tags using id3.net tagging library C#

问题

I am using id3.net tagging library for reading and modifying tags,although with the help of this api i can read all id3 tags but i am facing problem in modifying tags.http://id3.codeplex.com/

Id3.Mp3File fs = new Id3.Mp3File(@"test.mp3",Id3.Mp3Permissions.ReadWrite);
Id3.Id3Tag[] tags=  fs.GetAllTags();
tags[0].Album.Value = "test";
fs.WriteTag(tags[0],Id3.WriteConflictAction.Replace);
fs.Dispose();

please guide me if i am doing something wrong .if use this overload

fs.WriteTag(tags[0],Id3.WriteConflictAction.Replace);

it says method or operation not implemented

if i use second overload ie

fs.WriteTag(tags[0]tags[0].MajorVersion,tags[0].MinorVersion,Id3.WriteConflictAction.Replace);

it says object reference is not set to an instance of an object.

please guide me in this prespective

来源：https://stackoverflow.com/questions/30412698/write-id3-tags-using-id3-net-tagging-library-c-sharp