Public Declare Function WritePrivateProfileString Lib "kernel32" _
  Alias "WritePrivateProfileStringA" ( _
  ByVal lpApplicationName As String, _
  ByVal lpKeyName As Any, _
  ByVal lpString As Any, _
  ByVal lpFileName As String) As Long
 
Public Declare Function GetPrivateProfileString Lib "kernel32" _
  Alias "GetPrivateProfileStringA" ( _
  ByVal lpApplicationName As String, _
  ByVal lpKeyName As Any, _
  ByVal lpDefault As String, _
  ByVal lpReturnedString As String, _
  ByVal nSize As Long, _
  ByVal lpFileName As String) As Long

WritePrivateProfileString(...