BindableAttribute.cs source code in C# .NET

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Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / BindableAttribute.cs / 1 / BindableAttribute.cs
                        

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

/* 
 */ 
namespace System.ComponentModel {
    using System; 
    using System.ComponentModel;
    using System.Diagnostics;
    using System.Security.Permissions;
 
    /// 
    ///    Specifies whether a property is appropriate to bind data 
    ///       to. 
    /// 
    [AttributeUsage(AttributeTargets.All)] 
    public sealed class BindableAttribute : Attribute {
        /// 
        ///    
        ///       Specifies that a property is appropriate to bind data to. This 
        ///    field is read-only.
        ///     
        ///  
        public static readonly BindableAttribute Yes = new BindableAttribute(true);
 
        /// 
        ///    
        ///       Specifies that a property is not appropriate to bind
        ///       data to. This field is read-only. 
        ///    
        ///  
        public static readonly BindableAttribute No = new BindableAttribute(false); 

        ///  
        ///    
        ///       Specifies the default value for the ,
        ///       which is . This field is
        ///       read-only. 
        ///    
        ///  
        public static readonly BindableAttribute Default = No; 

        private bool bindable   = false; 
        private bool isDefault  = false;
        private BindingDirection direction;

        ///  
        ///    
        ///       Initializes a new instance of the  class. 
        ///     
        /// 
        public BindableAttribute(bool bindable) : this(bindable, BindingDirection.OneWay) { 
        }

        /// 
        ///  
        /// Initializes a new instance of the  class.
        ///  
        ///  
        public BindableAttribute(bool bindable, BindingDirection direction) {
            this.bindable = bindable; 
            this.direction = direction;
        }

        ///  
        ///    
        ///       Initializes a new instance of the  class. 
        ///     
        /// 
        public BindableAttribute(BindableSupport flags) : this(flags, BindingDirection.OneWay) { 
        }

        /// 
        ///  
        /// Initializes a new instance of the  class.
        ///  
        ///  
        public BindableAttribute(BindableSupport flags, BindingDirection direction) {
            this.bindable = (flags != BindableSupport.No); 
            this.isDefault = (flags == BindableSupport.Default);
            this.direction = direction;
        }
 
        /// 
        ///     
        ///       Gets a value indicating 
        ///       whether a property is appropriate to bind data to.
        ///     
        /// 
        public bool Bindable {
            get {
                return bindable; 
            }
        } 
 
        /// 
        ///  
        /// Gets a value indicating
        /// the direction(s) this property be bound to data.
        /// 
        ///  
        public BindingDirection Direction {
            get { 
                return direction; 
            }
        } 

        /// 
        /// 
        ///  
        public override bool Equals(object obj) {
            if (obj == this) { 
                return true; 
            }
 
            if (obj != null && obj is BindableAttribute) {
                return (((BindableAttribute)obj).Bindable == bindable);
            }
 
            return false;
        } 
 
        /// 
        ///    [To be supplied.] 
        /// 
        public override int GetHashCode() {
            return bindable.GetHashCode();
        } 

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

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