mcs/class/System/System.ComponentModel/BrowsableAttribute.cs

   1 //
   2 // System.ComponentModel.BrowsableAttribute.cs
   3 //
   4 // Author:
   5 //   Miguel de Icaza (miguel@ximian.com)
   6 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) Ximian, Inc.  http://www.ximian.com
   9 // (C) 2003 Andreas Nahr
  10 //
  11 //
  12
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 namespace System.ComponentModel {
  35
  36         [AttributeUsage (AttributeTargets.All)]
  37         public sealed class BrowsableAttribute : Attribute
  38         {
  39                 private bool browsable;
  40
  41                 public static readonly BrowsableAttribute Default = new BrowsableAttribute (true);
  42                 public static readonly BrowsableAttribute No = new BrowsableAttribute (false);
  43                 public static readonly BrowsableAttribute Yes = new BrowsableAttribute (true);
  44
  45                 public BrowsableAttribute (bool browsable)
  46                 {
  47                         this.browsable = browsable;
  48                 }
  49
  50                 public bool Browsable {
  51                         get { return browsable; }
  52                 }
  53
  54                 public override bool Equals (object obj)
  55                 {
  56                         if (!(obj is BrowsableAttribute))
  57                                 return false;
  58                         if (obj == this)
  59                                 return true;
  60                         return ((BrowsableAttribute) obj).Browsable == browsable;
  61                 }
  62
  63                 public override int GetHashCode ()
  64                 {
  65                         return browsable.GetHashCode ();
  66                 }
  67
  68                 public override bool IsDefaultAttribute ()
  69                 {
  70                         return browsable == BrowsableAttribute.Default.Browsable;
  71                 }
  72         }
  73 }
  74