Forcing StreamWriter to change Encoding

Question

I am trying to save a file using DialogResult and StringBuilder. After making the text, I am calling the following code to save the file:

Answer 1

setting UTF8 encoding working with Arabic font is the best thing I did:

 using (var sw = new StreamWriter(

 new FileStream(temporaryFilePath,    
               FileMode.Create,
               FileAccess.ReadWrite), 
               Encoding.UTF8))
            {
                sw.Write(sb.ToString());
            }
 )