ListManagerBindingsCollection.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / WinForms / Managed / System / WinForms / ListManagerBindingsCollection.cs / 1 / ListManagerBindingsCollection.cs
                        

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

namespace System.Windows.Forms { 
 
    using System;
    using Microsoft.Win32; 
    using System.Diagnostics;
    using System.ComponentModel;
    using System.Collections;
 
    /// 
    ///  
    /// BindingsCollection is a collection of bindings for a Control.  It has Add/Remove capabilities, 
    /// as well as an All array property, enumeration, etc.
    ///  
    [DefaultEvent("CollectionChanged")]
    internal class ListManagerBindingsCollection : BindingsCollection {

        private BindingManagerBase bindingManagerBase; 

        ///  
        ///  
        /// ColumnsCollection constructor.  Used only by DataSource.
        ///  
        internal ListManagerBindingsCollection(BindingManagerBase bindingManagerBase) : base() {
            Debug.Assert(bindingManagerBase != null, "How could a listmanagerbindingscollection not have a bindingManagerBase associated with it!");
            this.bindingManagerBase = bindingManagerBase;
        } 

        protected override void AddCore(Binding dataBinding) { 
            if (dataBinding == null) 
                throw new ArgumentNullException("dataBinding");
            if (dataBinding.BindingManagerBase == bindingManagerBase) 
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionAdd1), "dataBinding");
            if (dataBinding.BindingManagerBase != null)
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionAdd2), "dataBinding");
 
            // important to set prop first for error checking.
            dataBinding.SetListManager(bindingManagerBase); 
 
            base.AddCore(dataBinding);
        } 

        protected override void ClearCore() {
            int numLinks = Count;
            for (int i = 0; i < numLinks; i++) { 
                Binding dataBinding = this[i];
                dataBinding.SetListManager(null); 
            } 
            base.ClearCore();
        } 

        protected override void RemoveCore(Binding dataBinding) {
            if (dataBinding.BindingManagerBase != bindingManagerBase)
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionForeign)); 
            dataBinding.SetListManager(null);
            base.RemoveCore(dataBinding); 
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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