DescriptionAttribute.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 / DescriptionAttribute.cs / 1 / DescriptionAttribute.cs
                        

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

/* 
 */ 
namespace System.ComponentModel {
    using System; 
    using System.Diagnostics;
    using System.Security.Permissions;

    ///  
    ///    Specifies a description for a property
    ///       or event. 
    ///  
    [AttributeUsage(AttributeTargets.All)]
    public class DescriptionAttribute : Attribute { 
        /// 
        /// Specifies the default value for the  , which is an
        ///    empty string (""). This  field is read-only.
        ///  
        public static readonly DescriptionAttribute Default = new DescriptionAttribute();
        private string description; 
 
        /// 
        ///    [To be supplied.] 
        /// 
        public DescriptionAttribute() : this (string.Empty) {
        }
 
        /// 
        ///    Initializes a new instance of the  class. 
        ///  
        public DescriptionAttribute(string description) {
            this.description = description; 
        }

        /// 
        ///    Gets the description stored in this attribute. 
        /// 
        public virtual string Description { 
            get { 
                return DescriptionValue;
            } 
        }

        /// 
        ///     Read/Write property that directly modifies the string stored 
        ///     in the description attribute. The default implementation
        ///     of the Description property simply returns this value. 
        ///  
        protected string DescriptionValue {
            get { 
                return description;
            }
            set {
                description = value; 
            }
        } 
 
        public override bool Equals(object obj) {
            if (obj == this) { 
                return true;
            }

            DescriptionAttribute other = obj as DescriptionAttribute; 

            return (other != null) && other.Description == Description; 
        } 

        public override int GetHashCode() { 
            return Description.GetHashCode();
        }

        ///  
        /// 
        ///  
        public override bool IsDefaultAttribute() { 
            return (this.Equals(Default));
        } 

    }
}

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