NotifyParentPropertyAttribute.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / Design / NotifyParentPropertyAttribute.cs / 1 / NotifyParentPropertyAttribute.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/* 
 */ 

namespace System.ComponentModel { 

    using System;
    using System.Security.Permissions;
 
    /// 
    ///     
    ///       Indicates whether the parent property is notified 
    ///       if a child namespace property is modified.
    ///     
    /// 
    [AttributeUsage(AttributeTargets.Property)]
    public sealed class NotifyParentPropertyAttribute : Attribute {
 
        /// 
        ///     
        ///       Specifies that the parent property should be notified on changes to the child class property. This field is read-only. 
        ///    
        ///  
        public static readonly NotifyParentPropertyAttribute Yes = new NotifyParentPropertyAttribute(true);

        /// 
        ///    Specifies that the parent property should not be notified of changes to the child class property. This field is read-only. 
        /// 
        public static readonly NotifyParentPropertyAttribute No = new NotifyParentPropertyAttribute(false); 
 
        /// 
        ///    Specifies the default attribute state, that the parent property should not be notified of changes to the child class property. 
        ///       This field is read-only.
        /// 
        public static readonly NotifyParentPropertyAttribute Default = No;
 
        private bool notifyParent = false;
 
 
        /// 
        /// Initiailzes a new instance of the NotifyPropertyAttribute class 
        ///    that uses the specified value
        ///    to indicate whether the parent property should be notified when a child namespace property is modified.
        /// 
        public NotifyParentPropertyAttribute(bool notifyParent) { 
            this.notifyParent = notifyParent;
        } 
 

        ///  
        ///    
        ///       Gets or sets whether the parent property should be notified
        ///       on changes to a child namespace property.
        ///     
        /// 
        public bool NotifyParent { 
            get { 
                return notifyParent;
            } 
        }


        ///  
        ///    
        ///       Tests whether the specified object is the same as the current object. 
        ///     
        /// 
        public override bool Equals(object obj) { 
            if (obj == this) {
                return true;
            }
            if ((obj != null) && (obj is NotifyParentPropertyAttribute)) { 
                return ((NotifyParentPropertyAttribute)obj).NotifyParent == notifyParent;
            } 
 
            return false;
        } 

        /// 
        ///    
        ///       Returns the hashcode for this object. 
        ///    
        ///  
        public override int GetHashCode() { 
            return base.GetHashCode();
        } 

        /// 
        ///    
        ///       Gets whether this attribute is  by default. 
        ///    
        ///  
        public override bool IsDefaultAttribute() { 
            return this.Equals(Default);
        } 
    }
}

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