CategorizedSettingsBase Class

public enum MyEnum
 {
     One,
     Two,
     Three
 }

 public class MySettings : CategorizedSettingsBase
 {
     // Private property fields (private fields will not be serialized)
     private double m_doubleVal;

     // Public settings fields
     public bool BoolVal = true;
     public int IntVal = 1;
     public float FloatVal = 3.14F;
     public string StrVal = "This is a test...";
     public MyEnum EnumVal = MyEnum.Three;

     [SettingName("UserOptions"), EncryptSetting()]
     public string Password = "default";

     // Mark this field to not be serialized to configuration file...
     [SerializeSetting(false)]
     public decimal DecimalVal;

     public MySettings()
         : base("GeneralSettings") {}

     [Category("OtherSettings"), Description("My double value setting description."), DefaultValue(1.159D)]
     public double DoubleVal
     {
         get
         {
             return m_doubleVal;
         }
         set
         {
             m_doubleVal = value;
         }
     }

     [SerializeSetting(false)]
     public bool DontSerializeMe { get; set; }
 }