2 // System.ComponentModel.ExtenderProvidedPropertyAttribute.cs
5 // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
7 // (C) 2003 Andreas Nahr
11 // Permission is hereby granted, free of charge, to any person obtaining
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14 // without limitation the rights to use, copy, modify, merge, publish,
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16 // permit persons to whom the Software is furnished to do so, subject to
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19 // The above copyright notice and this permission notice shall be
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33 namespace System.ComponentModel
36 [AttributeUsage(AttributeTargets.All)]
37 public sealed class ExtenderProvidedPropertyAttribute : Attribute
39 private PropertyDescriptor extender;
40 private IExtenderProvider extenderProvider;
41 private Type receiver;
43 public ExtenderProvidedPropertyAttribute()
47 // Call this method to create a ExtenderProvidedPropertyAttribute and set it's values
48 internal static ExtenderProvidedPropertyAttribute CreateAttribute (PropertyDescriptor extenderProperty, IExtenderProvider provider, Type receiverType)
50 ExtenderProvidedPropertyAttribute NewAttribute = new ExtenderProvidedPropertyAttribute();
51 NewAttribute.extender = extenderProperty;
52 NewAttribute.receiver = receiverType;
53 NewAttribute.extenderProvider = provider;
57 public PropertyDescriptor ExtenderProperty {
63 public IExtenderProvider Provider {
65 return extenderProvider;
69 public Type ReceiverType {
75 public override bool IsDefaultAttribute()
77 // FIXME correct implementation??
78 return (extender == null) &&
79 (extenderProvider == null) &&
83 public override bool Equals (object obj)
85 if (!(obj is ExtenderProvidedPropertyAttribute))
89 return ((ExtenderProvidedPropertyAttribute) obj).ExtenderProperty.Equals (extender) &&
90 ((ExtenderProvidedPropertyAttribute) obj).Provider.Equals (extenderProvider) &&
91 ((ExtenderProvidedPropertyAttribute) obj).ReceiverType.Equals (receiver);
94 public override int GetHashCode()
96 return extender.GetHashCode() ^ extenderProvider.GetHashCode() ^ receiver.GetHashCode();