mcs/class/WindowsBase/System.Windows/DependencyPropertyChangedEventArgs.cs

   1 //
   2 // DependencyPropertyChangedEventArgs.cs
   3 //
   4 // Author:
   5 //   Chris Toshok (toshok@ximian.com)
   6 //
   7 // (C) 2007 Novell, Inc.
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 namespace System.Windows {
  30         public struct DependencyPropertyChangedEventArgs {
  31
  32                 public DependencyPropertyChangedEventArgs (DependencyProperty property, object oldValue, object newValue)
  33                         : this ()
  34                 {
  35                         this.Property = property;
  36                         this.OldValue = oldValue;
  37                         this.NewValue = newValue;
  38                 }
  39
  40                 public object NewValue {
  41                         get; private set;
  42                 }
  43
  44                 public object OldValue {
  45                         get; private set;
  46                 }
  47
  48                 public DependencyProperty Property {
  49                         get; private set;
  50                 }
  51
  52                 public override bool Equals (object obj)
  53                 {
  54                         if (!(obj is DependencyPropertyChangedEventArgs))
  55                                 return false;
  56
  57                         return Equals ((DependencyPropertyChangedEventArgs)obj);
  58                 }
  59
  60                 public bool Equals (DependencyPropertyChangedEventArgs args)
  61                 {
  62                         return (Property == args.Property &&
  63                                 NewValue == args.NewValue &&
  64                                 OldValue == args.OldValue);
  65                 }
  66
  67                 public static bool operator != (DependencyPropertyChangedEventArgs left, DependencyPropertyChangedEventArgs right)
  68                 {
  69                         throw new NotImplementedException ();
  70                 }
  71
  72                 public static bool operator == (DependencyPropertyChangedEventArgs left, DependencyPropertyChangedEventArgs right)
  73                 {
  74                         throw new NotImplementedException ();
  75                 }
  76
  77                 public override int GetHashCode()
  78                 {
  79                         throw new NotImplementedException ();
  80                 }
  81
  82         }
  83 }