C # read/write ini

//  Read/write ini  
    Public     Class  Gf_ini
{
[Dllimport (  "  Kernel32  "  )]
  Private     Static     Extern    Long  Writeprivateprofilestring (  String  Section,  String  Key,  String  Val,  String  Filepath );
[Dllimport (  "  Kernel32  "  )]
  Private    Static     Extern     Int  Getprivateprofilestring (  String  Section,  String  Key,  String  Def, stringbuilder retval,  Int  Size,  String Filepath );
[Dllimport (  "  Kernel32.dll  "  )]
  Public     Static     Extern     Int  Beep (  Int  Dwfreq,  Int  Dwduration );

 //  Read ini  
    Public     Static     Void  Inifile_setval (  String  In_filename,  String  Section,  String  Key,  String Value)
{
Writeprivateprofilestring (section, key, value, in_filename );
}

  //  Write ini  
    Public     Static     String  Inifile_getval (  String  In_filename,  String  Section, String  Key)
{
Stringbuilder temp  =     New  Stringbuilder (  255  );
  Int  I  =  Getprivateprofilestring (section, key,  ""  , Temp,  255  , In_filename );
 If  (I  =     0  )
  Return     ""  ;
  Else  
  Return  Temp. tostring ();
}
}