ControlBindingsCollection.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / WinForms / Managed / System / WinForms / ControlBindingsCollection.cs / 1305376 / ControlBindingsCollection.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;
    using System.Globalization; 

    ///  
    ///  
    ///    
    ///       Represents the collection of data bindings for a control. 
    /// 
    [DefaultEvent("CollectionChanged"),
     Editor("System.Drawing.Design.UITypeEditor, " + AssemblyRef.SystemDrawing, typeof(System.Drawing.Design.UITypeEditor)),
     TypeConverterAttribute("System.Windows.Forms.Design.ControlBindingsConverter, " + AssemblyRef.SystemDesign), 
     ]
    public class ControlBindingsCollection : BindingsCollection { 
 
        internal IBindableComponent control;
 
        private DataSourceUpdateMode defaultDataSourceUpdateMode = DataSourceUpdateMode.OnValidation;

        /// 
        public ControlBindingsCollection(IBindableComponent control) : base() { 
            Debug.Assert(control != null, "How could a controlbindingscollection not have a control associated with it!");
            this.control = control; 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        public IBindableComponent BindableComponent { 
            get {
                return this.control; 
            } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public Control Control {
            get { 
                return this.control as Control; 
            }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public Binding this[string propertyName] { 
            get { 
                foreach (Binding binding in this) {
                    if (String.Equals(binding.PropertyName, propertyName, StringComparison.OrdinalIgnoreCase)) 
                    {
                        return binding;
                    }
                } 
                return null;
            } 
        } 

        ///  
        /// 
        /// Adds the binding to the collection.  An ArgumentNullException is thrown if this binding
        /// is null.  An exception is thrown if a binding to the same target and Property as an existing binding or
        /// if the binding's column isn't a valid column given this DataSource.Table's schema. 
        /// Fires the CollectionChangedEvent.
        ///  
        public new void Add(Binding binding) { 
            base.Add(binding);
        } 

        /// 
        /// 
        /// Creates the binding and adds it to the collection.  An InvalidBindingException is thrown 
        /// if this binding can't be constructed.  An exception is thrown if a binding to the same target and Property as an existing binding or
        /// if the binding's column isn't a valid column given this DataSource.Table's schema. 
        /// Fires the CollectionChangedEvent. 
        /// 
        public Binding Add(string propertyName, object dataSource, string dataMember) { 
            return Add(propertyName, dataSource, dataMember, false, this.DefaultDataSourceUpdateMode, null, String.Empty, null);
        }

        ///  
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled) {
            return Add(propertyName, dataSource, dataMember, formattingEnabled, this.DefaultDataSourceUpdateMode, null, String.Empty, null); 
        } 

        ///  
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode) {
            return Add(propertyName, dataSource, dataMember, formattingEnabled, updateMode, null, String.Empty, null);
        }
 
        /// 
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode, object nullValue) { 
            return Add(propertyName, dataSource, dataMember, formattingEnabled, updateMode, nullValue, String.Empty, null); 
        }
 
        /// 
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode, object nullValue, string formatString) {
            return Add(propertyName, dataSource, dataMember, formattingEnabled, updateMode, nullValue, formatString, null);
        } 

        ///  
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode, object nullValue, string formatString, IFormatProvider formatInfo) { 
            if (dataSource == null)
                throw new ArgumentNullException("dataSource"); 
            Binding binding = new Binding(propertyName, dataSource, dataMember, formattingEnabled, updateMode, nullValue, formatString, formatInfo);
            Add(binding);
            return binding;
        } 

        ///  
        ///  
        /// Creates the binding and adds it to the collection.  An InvalidBindingException is thrown
        /// if this binding can't be constructed.  An exception is thrown if a binding to the same target and Property as an existing binding or 
        /// if the binding's column isn't a valid column given this DataSource.Table's schema.
        /// Fires the CollectionChangedEvent.
        /// 
        protected override void AddCore(Binding dataBinding) { 
            if (dataBinding == null)
                throw new ArgumentNullException("dataBinding"); 
            if (dataBinding.BindableComponent == control) 
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionAdd1));
            if (dataBinding.BindableComponent != null) 
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionAdd2));

            // important to set prop first for error checking.
            dataBinding.SetBindableComponent(control); 

            base.AddCore(dataBinding); 
        } 

        // internalonly 
        internal void CheckDuplicates(Binding binding) {
            if (binding.PropertyName.Length == 0) {
                return;
            } 
            for (int i = 0; i < Count; i++) {
                if (binding != this[i] && this[i].PropertyName.Length > 0 && 
                    (String.Compare(binding.PropertyName, this[i].PropertyName, false, CultureInfo.InvariantCulture) == 0)) { 
                    throw new ArgumentException(SR.GetString(SR.BindingsCollectionDup), "binding");
                } 
            }
        }

        ///  
        /// 
        /// Clears the collection of any bindings. 
        /// Fires the CollectionChangedEvent. 
        /// 
        public new void Clear() { 
            base.Clear();
        }

        // internalonly 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        protected override void ClearCore() { 
            int numLinks = Count;
            for (int i = 0; i < numLinks; i++) {
                Binding dataBinding = this[i];
                dataBinding.SetBindableComponent(null); 
            }
            base.ClearCore(); 
        } 

        ///  
        /// 
        /// 
        public DataSourceUpdateMode DefaultDataSourceUpdateMode {
            get { 
                return defaultDataSourceUpdateMode;
            } 
 
            set {
                defaultDataSourceUpdateMode = value; 
            }
        }

        ///  
        /// 
        /// Removes the given binding from the collection. 
        /// An ArgumentNullException is thrown if this binding is null.  An ArgumentException is thrown 
        /// if this binding doesn't belong to this collection.
        /// The CollectionChanged event is fired if it succeeds. 
        /// 
        public new void Remove(Binding binding) {
            base.Remove(binding);
        } 

        ///  
        ///  
        /// Removes the given binding from the collection.
        /// It throws an IndexOutOfRangeException if this doesn't have 
        /// a valid binding.
        /// The CollectionChanged event is fired if it succeeds.
        /// 
        public new void RemoveAt(int index) { 
            base.RemoveAt(index);
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        protected override void RemoveCore(Binding dataBinding) {
            if (dataBinding.BindableComponent != control) 
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionForeign));
            dataBinding.SetBindableComponent(null); 
            base.RemoveCore(dataBinding); 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     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;
    using System.Globalization; 

    ///  
    ///  
    ///    
    ///       Represents the collection of data bindings for a control. 
    /// 
    [DefaultEvent("CollectionChanged"),
     Editor("System.Drawing.Design.UITypeEditor, " + AssemblyRef.SystemDrawing, typeof(System.Drawing.Design.UITypeEditor)),
     TypeConverterAttribute("System.Windows.Forms.Design.ControlBindingsConverter, " + AssemblyRef.SystemDesign), 
     ]
    public class ControlBindingsCollection : BindingsCollection { 
 
        internal IBindableComponent control;
 
        private DataSourceUpdateMode defaultDataSourceUpdateMode = DataSourceUpdateMode.OnValidation;

        /// 
        public ControlBindingsCollection(IBindableComponent control) : base() { 
            Debug.Assert(control != null, "How could a controlbindingscollection not have a control associated with it!");
            this.control = control; 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        public IBindableComponent BindableComponent { 
            get {
                return this.control; 
            } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public Control Control {
            get { 
                return this.control as Control; 
            }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public Binding this[string propertyName] { 
            get { 
                foreach (Binding binding in this) {
                    if (String.Equals(binding.PropertyName, propertyName, StringComparison.OrdinalIgnoreCase)) 
                    {
                        return binding;
                    }
                } 
                return null;
            } 
        } 

        ///  
        /// 
        /// Adds the binding to the collection.  An ArgumentNullException is thrown if this binding
        /// is null.  An exception is thrown if a binding to the same target and Property as an existing binding or
        /// if the binding's column isn't a valid column given this DataSource.Table's schema. 
        /// Fires the CollectionChangedEvent.
        ///  
        public new void Add(Binding binding) { 
            base.Add(binding);
        } 

        /// 
        /// 
        /// Creates the binding and adds it to the collection.  An InvalidBindingException is thrown 
        /// if this binding can't be constructed.  An exception is thrown if a binding to the same target and Property as an existing binding or
        /// if the binding's column isn't a valid column given this DataSource.Table's schema. 
        /// Fires the CollectionChangedEvent. 
        /// 
        public Binding Add(string propertyName, object dataSource, string dataMember) { 
            return Add(propertyName, dataSource, dataMember, false, this.DefaultDataSourceUpdateMode, null, String.Empty, null);
        }

        ///  
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled) {
            return Add(propertyName, dataSource, dataMember, formattingEnabled, this.DefaultDataSourceUpdateMode, null, String.Empty, null); 
        } 

        ///  
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode) {
            return Add(propertyName, dataSource, dataMember, formattingEnabled, updateMode, null, String.Empty, null);
        }
 
        /// 
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode, object nullValue) { 
            return Add(propertyName, dataSource, dataMember, formattingEnabled, updateMode, nullValue, String.Empty, null); 
        }
 
        /// 
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode, object nullValue, string formatString) {
            return Add(propertyName, dataSource, dataMember, formattingEnabled, updateMode, nullValue, formatString, null);
        } 

        ///  
        public Binding Add(string propertyName, object dataSource, string dataMember, bool formattingEnabled, DataSourceUpdateMode updateMode, object nullValue, string formatString, IFormatProvider formatInfo) { 
            if (dataSource == null)
                throw new ArgumentNullException("dataSource"); 
            Binding binding = new Binding(propertyName, dataSource, dataMember, formattingEnabled, updateMode, nullValue, formatString, formatInfo);
            Add(binding);
            return binding;
        } 

        ///  
        ///  
        /// Creates the binding and adds it to the collection.  An InvalidBindingException is thrown
        /// if this binding can't be constructed.  An exception is thrown if a binding to the same target and Property as an existing binding or 
        /// if the binding's column isn't a valid column given this DataSource.Table's schema.
        /// Fires the CollectionChangedEvent.
        /// 
        protected override void AddCore(Binding dataBinding) { 
            if (dataBinding == null)
                throw new ArgumentNullException("dataBinding"); 
            if (dataBinding.BindableComponent == control) 
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionAdd1));
            if (dataBinding.BindableComponent != null) 
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionAdd2));

            // important to set prop first for error checking.
            dataBinding.SetBindableComponent(control); 

            base.AddCore(dataBinding); 
        } 

        // internalonly 
        internal void CheckDuplicates(Binding binding) {
            if (binding.PropertyName.Length == 0) {
                return;
            } 
            for (int i = 0; i < Count; i++) {
                if (binding != this[i] && this[i].PropertyName.Length > 0 && 
                    (String.Compare(binding.PropertyName, this[i].PropertyName, false, CultureInfo.InvariantCulture) == 0)) { 
                    throw new ArgumentException(SR.GetString(SR.BindingsCollectionDup), "binding");
                } 
            }
        }

        ///  
        /// 
        /// Clears the collection of any bindings. 
        /// Fires the CollectionChangedEvent. 
        /// 
        public new void Clear() { 
            base.Clear();
        }

        // internalonly 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        protected override void ClearCore() { 
            int numLinks = Count;
            for (int i = 0; i < numLinks; i++) {
                Binding dataBinding = this[i];
                dataBinding.SetBindableComponent(null); 
            }
            base.ClearCore(); 
        } 

        ///  
        /// 
        /// 
        public DataSourceUpdateMode DefaultDataSourceUpdateMode {
            get { 
                return defaultDataSourceUpdateMode;
            } 
 
            set {
                defaultDataSourceUpdateMode = value; 
            }
        }

        ///  
        /// 
        /// Removes the given binding from the collection. 
        /// An ArgumentNullException is thrown if this binding is null.  An ArgumentException is thrown 
        /// if this binding doesn't belong to this collection.
        /// The CollectionChanged event is fired if it succeeds. 
        /// 
        public new void Remove(Binding binding) {
            base.Remove(binding);
        } 

        ///  
        ///  
        /// Removes the given binding from the collection.
        /// It throws an IndexOutOfRangeException if this doesn't have 
        /// a valid binding.
        /// The CollectionChanged event is fired if it succeeds.
        /// 
        public new void RemoveAt(int index) { 
            base.RemoveAt(index);
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        protected override void RemoveCore(Binding dataBinding) {
            if (dataBinding.BindableComponent != control) 
                throw new ArgumentException(SR.GetString(SR.BindingsCollectionForeign));
            dataBinding.SetBindableComponent(null); 
            base.RemoveCore(dataBinding); 
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

                        

                        

                        
                        

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