mcs/class/System/System.ComponentModel/AmbientValueAttribute.cs

   1 //
   2 // System.ComponentModel.AmbientValueAttribute
   3 //
   4 // Authors:
   5 //  Martin Willemoes Hansen (mwh@sysrq.dk)
   6 //  Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) 2003 Martin Willemoes Hansen
   9 // (C) 2003 Andreas Nahr
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 namespace System.ComponentModel
  34 {
  35         [AttributeUsage(AttributeTargets.All)]
  36         public sealed class AmbientValueAttribute : Attribute
  37         {
  38
  39                 private object AmbientValue;
  40
  41                 public AmbientValueAttribute (bool value)
  42                 {
  43                         AmbientValue = value;
  44                 }
  45
  46                 public AmbientValueAttribute (byte value)
  47                 {
  48                         AmbientValue = value;
  49                 }
  50
  51                 public AmbientValueAttribute (char value)
  52                 {
  53                         AmbientValue = value;
  54                 }
  55
  56                 public AmbientValueAttribute (double value)
  57                 {
  58                         AmbientValue = value;
  59                 }
  60
  61                 public AmbientValueAttribute (short value)
  62                 {
  63                         AmbientValue = value;
  64                 }
  65
  66                 public AmbientValueAttribute (int value)
  67                 {
  68                         AmbientValue = value;
  69                 }
  70
  71                 public AmbientValueAttribute (long value)
  72                 {
  73                         AmbientValue = value;
  74                 }
  75
  76                 public AmbientValueAttribute (object value)
  77                 {
  78                         AmbientValue = value;
  79                 }
  80
  81                 public AmbientValueAttribute (float value)
  82                 {
  83                         AmbientValue = value;
  84                 }
  85
  86                 public AmbientValueAttribute (string value)
  87                 {
  88                         AmbientValue = value;
  89                 }
  90
  91                 public AmbientValueAttribute (Type type, string value)
  92                 {
  93                         try {
  94                                 AmbientValue = Convert.ChangeType (value, type);
  95                         } catch {
  96                                 AmbientValue = null;
  97                         }
  98                 }
  99
 100                 public object Value {
 101                         get { return AmbientValue; }
 102                 }
 103
 104                 public override bool Equals (object obj)
 105                 {
 106                         if (!(obj is AmbientValueAttribute))
 107                                 return false;
 108
 109                         if (obj == this)
 110                                 return true;
 111
 112                         return ((AmbientValueAttribute) obj).Value == AmbientValue;
 113                 }
 114
 115                 public override int GetHashCode()
 116                 {
 117                         return AmbientValue.GetHashCode ();
 118                 }
 119         }
 120 }