關於MemoryStream的GetBuffer和ToArray函數
http://krishnabhargav.blogspot.com/2009/06/net-funda-memorystream-toarray-vs.html
please help me find the memory leak
http://blogs.msdn.com/b/rnarayan/archive/2007/08/06/beware-of-memorystream-getbuffer-method.aspx
Beware of MemoryStream.GetBuffer() method