Concatinates the 2 unicode strings into the target buffer. 
- Parameters
 - 
  
    | pBuffer | Target buffer to receive a copy of the string.  | 
    | pString | Source string.  | 
    | pString2 | Second source string.  | 
  
   
- Returns
 - pBuffer which can be used as a paramater to other functions. 
 
- See Also
 - MFWString_CopyN()