BindingsCollection.cs :  » 2.6.4-mono-.net-core » System.Windows.Forms » System » Windows » Forms » C# / CSharp Open Source

//
// System.Windows.Forms.BindingsCollection.cs
//
// Author:
//   stubbed out by Jaak Simm (jaaksimm@firm.ee)
//   Dennis Hayes (dennish@Raytek.com)
//
// (C) 2002 Ximian, Inc
//

using System.Collections;
using System.ComponentModel;

namespace System.Windows.Forms{

  /// <summary>
  /// Represents a collection of Binding objects for a control.
  ///
  /// </summary>
  
  [MonoTODO]
  public class BindingsCollection : BaseCollection {

    #region Constructors
    protected internal BindingsCollection () 
    {
    }
    #endregion

    // --- public and protected Properties ---
    public virtual int Count {
      get {
        return base.Count;
      }
    }
    
    public Binding this[int index] {
      get {
        return (Binding)(base.List[index]);
      }
    }
    
    [MonoTODO]
    protected override ArrayList List {
      get {
        return base.List;
 }
    }
    
    // --- public Methods ---
    // following internal methods are (will) not be stubbed out:
    // - protected virtual void AddCore(Binding dataBinding);
    // - protected virtual void ClearCore();
    // - protected virtual void RemoveCore(Binding dataBinding);
    // 
    // CollectionChanged event:
    // Though it was not documented, here methods Add and Remove 
    // cause the CollectionChanged event to occur, similarily as Clear.
    // Would be nice if someone checked the exact event behavior of .NET implementation.
    
    protected internal void Add(Binding binding) 
    {
      base.List.Add(binding);
      OnCollectionChanged(new CollectionChangeEventArgs(
        CollectionChangeAction.Add,
        base.List
      ));
    }
    
    protected internal void Clear() 
    {
      base.List.Clear();
      OnCollectionChanged(new CollectionChangeEventArgs(
        CollectionChangeAction.Refresh,
        base.List
      ));
    }

    protected virtual void OnCollectionChanged(CollectionChangeEventArgs ccevent) 
    {
      if (CollectionChanged != null)
        CollectionChanged(this, ccevent);
    }

    protected internal void Remove(Binding binding) 
    {
      base.List.Remove(binding);
      OnCollectionChanged(new CollectionChangeEventArgs(
        CollectionChangeAction.Remove,
        base.List
      ));
    }

    protected internal void RemoveAt(int index) 
    {
      base.List.RemoveAt(index);
      OnCollectionChanged(new CollectionChangeEventArgs(
        CollectionChangeAction.Remove,
        base.List
      ));
    }
    
    protected internal bool ShouldSerializeMyAll() 
    {
      throw new NotImplementedException ();
      if (this.Count>0) return true;
      else return false;
    }
    
    // public events
    public event CollectionChangeEventHandler CollectionChanged;
  }
}