Mega Code Archive
CollectionBase Provides the abstract base class for a strongly typed collection
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using System;
using System.Collections;
public class MyCollection : CollectionBase {
public Int16 this[ int index ] {
get {
return( (Int16) List[index] );
}
set {
List[index] = value;
}
}
public int Add( Int16 value ) {
return( List.Add( value ) );
}
public int IndexOf( Int16 value ) {
return( List.IndexOf( value ) );
}
public void Insert( int index, Int16 value ) {
List.Insert( index, value );
}
public void Remove( Int16 value ) {
List.Remove( value );
}
public bool Contains( Int16 value ) {
return( List.Contains( value ) );
}
protected override void OnInsert( int index, Object value ) {
}
protected override void OnRemove( int index, Object value ) {
}
protected override void OnSet( int index, Object oldValue, Object newValue ) {
}
protected override void OnValidate( Object value ) {
if ( value.GetType() != typeof(System.Int16) )
throw new ArgumentException( "value must be of type Int16.", "value" );
}
}
public class SamplesCollectionBase {
public static void Main() {
MyCollection myI16 = new MyCollection();
myI16.Add( (Int16) 1 );
myI16.Add( (Int16) 2 );
PrintValues1( myI16 );
PrintValues2( myI16 );
PrintIndexAndValues( myI16 );
}
public static void PrintIndexAndValues( MyCollection myCol ) {
for ( int i = 0; i < myCol.Count; i++ )
Console.WriteLine( " [{0}]: {1}", i, myCol[i] );
}
public static void PrintValues1( MyCollection myCol ) {
foreach ( Int16 i16 in myCol )
Console.WriteLine( " {0}", i16 );
}
public static void PrintValues2( MyCollection myCol ) {
System.Collections.IEnumerator myEnumerator = myCol.GetEnumerator();
while ( myEnumerator.MoveNext() )
Console.WriteLine( " {0}", myEnumerator.Current );
}
}
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