91 lines
2.7 KiB
C#
91 lines
2.7 KiB
C#
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// System.ComponentModel.InheritanceAttribute
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//
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// Authors:
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// Martin Willemoes Hansen (mwh@sysrq.dk)
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// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
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//
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// (C) 2003 Martin Willemoes Hansen
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// (C) 2003 Andreas Nahr
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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namespace System.ComponentModel
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{
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[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event)]
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public sealed class InheritanceAttribute : Attribute
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{
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private InheritanceLevel level;
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public static readonly InheritanceAttribute Default = new InheritanceAttribute ();
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public static readonly InheritanceAttribute Inherited = new InheritanceAttribute (InheritanceLevel.Inherited);
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public static readonly InheritanceAttribute InheritedReadOnly = new InheritanceAttribute (InheritanceLevel.InheritedReadOnly);
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public static readonly InheritanceAttribute NotInherited = new InheritanceAttribute (InheritanceLevel.NotInherited);
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public InheritanceAttribute()
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{
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this.level = InheritanceLevel.NotInherited;
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}
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public InheritanceAttribute (InheritanceLevel inheritanceLevel)
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{
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this.level = inheritanceLevel;
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}
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public InheritanceLevel InheritanceLevel {
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get { return level; }
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}
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public override bool Equals (object obj)
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{
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if (!(obj is InheritanceAttribute))
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return false;
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if (obj == this)
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return true;
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return ((InheritanceAttribute) obj).InheritanceLevel == level;
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}
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public override int GetHashCode()
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{
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return level.GetHashCode ();
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}
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public override bool IsDefaultAttribute()
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{
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return level == InheritanceAttribute.Default.InheritanceLevel;
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}
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public override string ToString()
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{
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return this.level.ToString ();
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}
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}
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}
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