ReadOnlyCollectionBase.cs 1.2 KB

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  1. //
  2. // System.Collections.ReadOnlyCollectionBase.cs
  3. //
  4. // Author:
  5. // Nick Drochak II ([email protected])
  6. //
  7. // (C) 2001 Nick Drochak II
  8. //
  9. using System;
  10. namespace System.Collections {
  11. public abstract class ReadOnlyCollectionBase : ICollection, IEnumerable {
  12. // private instance properties
  13. private System.Collections.ArrayList myList;
  14. // public instance properties
  15. public virtual int Count { get { return InnerList.Count; } }
  16. // Public Instance Methods
  17. public virtual System.Collections.IEnumerator GetEnumerator() { return InnerList.GetEnumerator(); }
  18. // Protected Instance Constructors
  19. protected ReadOnlyCollectionBase() {
  20. this.myList = new System.Collections.ArrayList();
  21. }
  22. // Protected Instance Properties
  23. protected virtual System.Collections.ArrayList InnerList {get { return this.myList; } }
  24. // ICollection methods
  25. void ICollection.CopyTo(Array array, int index) {
  26. lock (InnerList) { InnerList.CopyTo(array, index); }
  27. }
  28. object ICollection.SyncRoot {
  29. get { return InnerList.SyncRoot; }
  30. }
  31. bool ICollection.IsSynchronized {
  32. get { return InnerList.IsSynchronized; }
  33. }
  34. }
  35. }