2 // System.ComponentModel.InheritanceAttribute
5 // Martin Willemoes Hansen (mwh@sysrq.dk)
6 // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
8 // (C) 2003 Martin Willemoes Hansen
9 // (C) 2003 Andreas Nahr
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:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
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.
33 namespace System.ComponentModel
35 [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event)]
36 public sealed class InheritanceAttribute : Attribute
38 private InheritanceLevel level;
40 public static readonly InheritanceAttribute Default = new InheritanceAttribute ();
41 public static readonly InheritanceAttribute Inherited = new InheritanceAttribute (InheritanceLevel.Inherited);
42 public static readonly InheritanceAttribute InheritedReadOnly = new InheritanceAttribute (InheritanceLevel.InheritedReadOnly);
43 public static readonly InheritanceAttribute NotInherited = new InheritanceAttribute (InheritanceLevel.NotInherited);
46 public InheritanceAttribute()
48 this.level = InheritanceLevel.NotInherited;
52 public InheritanceAttribute (InheritanceLevel inheritanceLevel)
54 this.level = inheritanceLevel;
57 public InheritanceLevel InheritanceLevel {
62 public override bool Equals (object obj)
64 if (!(obj is InheritanceAttribute))
68 return ((InheritanceAttribute) obj).InheritanceLevel == level;
72 public override int GetHashCode()
74 return level.GetHashCode ();
78 public override bool IsDefaultAttribute()
80 return level == InheritanceAttribute.Default.InheritanceLevel;
84 public override string ToString()
86 return this.level.ToString ();