mcs/class/System/System.ComponentModel/ReadOnlyAttribute.cs

   1 //
   2 // ReadOnlyAttribute.cs
   3 //
   4 // Author:
   5 //   Chris J Breisch (cjbreisch@altavista.net)
   6 //
   7 // (C) 2002 Chris J Breisch
   8 //
   9 namespace System.ComponentModel {
  10         [AttributeUsage (AttributeTargets.All)]
  11         sealed public class ReadOnlyAttribute : Attribute {
  12                 bool read_only;
  13
  14                 public static readonly ReadOnlyAttribute No;
  15                 public static readonly ReadOnlyAttribute Yes;
  16                 public static readonly ReadOnlyAttribute Default;
  17
  18                 static ReadOnlyAttribute ()
  19                 {
  20                         No = new ReadOnlyAttribute (false);
  21                         Yes = new ReadOnlyAttribute (true);
  22                         Default = new ReadOnlyAttribute (false);
  23                 }
  24
  25                 public ReadOnlyAttribute (bool read_only)
  26                 {
  27                         this.read_only = read_only;
  28                 }
  29
  30                 public bool IsReadOnly {
  31                         get {
  32                                 return read_only;
  33                         }
  34                 }
  35
  36                 public override int GetHashCode ()
  37                 {
  38                         return base.GetHashCode ();
  39                 }
  40
  41                 public override bool Equals (object o)
  42                 {
  43                         if (!(o is ReadOnlyAttribute))
  44                                 return false;
  45
  46                         return (((ReadOnlyAttribute) o).read_only == read_only);
  47                 }
  48
  49                 public override bool IsDefaultAttribute ()
  50                 {
  51                         return Equals (Default);
  52                 }
  53         }
  54 }