C#在txt类文件中追加内容

string path = "test.txt";
FileStream mystream = new FileStream(path, FileMode.OpenOrCreate);
StreamWriter myWrite = new StreamWriter(mystream);
myWrite.Write(strWriteLog);
myWrite.Close();
mystream.Close();

最近跟进一个CS项目，用到c#基础知识，准备开个分类记录一下