LinkedResourceCollection.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Net / System / Net / Mail / LinkedResourceCollection.cs / 1 / LinkedResourceCollection.cs
                        

                        
                            using System; 
using System.Collections.ObjectModel;

namespace System.Net.Mail
{ 
    public sealed class LinkedResourceCollection : Collection, IDisposable
    { 
        bool disposed = false; 
        internal LinkedResourceCollection()
        { } 

        public void Dispose()
        {
            if(disposed){ 
                return;
            } 
 
            foreach (LinkedResource resource in this)
            { 
                resource.Dispose();
            }
            Clear();
            disposed = true; 
        }
 
 

        protected override void RemoveItem(int index){ 
            if (disposed) {
                throw new ObjectDisposedException(this.GetType().FullName);
            }
 
            base.RemoveItem(index);
        } 
 
        protected override void ClearItems(){
            if (disposed) { 
                throw new ObjectDisposedException(this.GetType().FullName);
            }

            base.ClearItems(); 
        }
 
        protected override void SetItem(int index, LinkedResource item){ 
            if (disposed) {
                throw new ObjectDisposedException(this.GetType().FullName); 
            }

            if(item==null) {
                throw new ArgumentNullException("item"); 
            }
 
            base.SetItem(index,item); 
        }
 
        protected override void InsertItem(int index, LinkedResource item){
            if (disposed) {
                throw new ObjectDisposedException(this.GetType().FullName);
            } 

            if(item==null){ 
                 throw new ArgumentNullException("item"); 
            }
 
            base.InsertItem(index,item);
        }
    }
}

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