IDReferencePropertyAttribute.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 / xsp / System / Web / UI / IDReferencePropertyAttribute.cs / 1 / IDReferencePropertyAttribute.cs
                        

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

namespace System.Web.UI { 
    using System; 
    using System.ComponentModel;
    using System.Security.Permissions; 


    /// 
    /// An IDReferencePropertyAttribute metadata attribute can be applied to string properties 
    /// that contain ID references.
    /// This can be used to identify ID reference properties which allows design-time functionality 
    /// to do interesting things with the property values. 
    /// 
    [AttributeUsage(AttributeTargets.Property)] 
    [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
    public sealed class IDReferencePropertyAttribute : Attribute {

        private Type _referencedControlType; 

 
        ///  
        /// 
        public IDReferencePropertyAttribute() : this(typeof(Control)) { 
        }


        ///  
        /// Used to mark a property as an ID reference. In addition, the type of controls
        /// can be specified. 
        ///  
        public IDReferencePropertyAttribute(Type referencedControlType) {
            _referencedControlType = referencedControlType; 
        }


        ///  
        /// The types of controls allowed by the property.
        ///  
        public Type ReferencedControlType { 
            get {
                return _referencedControlType; 
            }
        }

 
        /// 
        public override int GetHashCode() { 
            return ((ReferencedControlType != null) ? ReferencedControlType.GetHashCode() : 0); 
        }
 

        /// 
        public override bool Equals(object obj) {
            if (obj == this) { 
                return true;
            } 
 
            IDReferencePropertyAttribute other = obj as IDReferencePropertyAttribute;
            if (other != null) { 
                return (ReferencedControlType == other.ReferencedControlType);
            }

            return false; 
        }
    } 
}

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