ComponentCollection.cs

using System.Collections;
using System.Runtime.InteropServices;
using System.Security.Permissions;

namespace System.ComponentModel
{
    [ComVisible(true)]
    [HostProtection(SecurityAction.LinkDemand, Synchronization = true)]
    public class ComponentCollection : ReadOnlyCollectionBase
    {
        public virtual IComponent this[string name]
        {
            get
            {
                if (name != null)
                {
                    IList innerList = base.InnerList;
                    foreach (IComponent item in innerList)
                    {
                        if (item != null && item.Site != null && item.Site.Name != null && string.Equals(item.Site.Name, name, StringComparison.OrdinalIgnoreCase))
                        {
                            return item;
                        }
                    }
                }
                return null;
            }
        }

        public virtual IComponent this[int index]
        {
            get
            {
                return (IComponent)base.InnerList[index];
            }
        }

        public ComponentCollection(IComponent[] components)
        {
            base.InnerList.AddRange(components);
        }

        public void CopyTo(IComponent[] array, int index)
        {
            base.InnerList.CopyTo(array, index);
        }
    }
}