C # Custom Collections

usingSystem;usingSystem.Collections;namespacelucia{[Serializable] Public Sealed classClasscollection:collectionbase { Public intAdd (Class value) {return Base.        List.add (value); }         Public voidAddRange (class[] values) {foreach(Class Infoinchvalues) {                 This.            ADD (info); }        }         Public voidAddRange (IEnumerable @enum) {foreach(Class Infoinch@enum) {                 This.            ADD (info); }        }         Public BOOLContains (Class value) {return Base.        List.contains (value); }         Public intIndexOf (Class value) {return Base.        List.indexof (value); }         Public voidInsert (intindex, Class value) {            Base.        List.insert (index, value); }         Public voidRemove (Class value) {Base.        List.remove (value); }         Public voidCopyTo (class[] array,intindex) {ICollection Is2= This; Is2.        CopyTo (array, index); }         Publicclass[] ToArray () {class[] array=Newclass[Base.            Count];  This. CopyTo (Array,0); returnArray; }         PublicClass This[intIndex] {            Get            {                return(Class)Base.            List[index]; }            Set            {                Base. List[index] =value; }        }    }}

C # Custom Collections