foreach with index in C#

foreach_with_index.cs

foreach ( var it in someCollection.Select((x,i) => new { Value = x, Index=i }) )
{
   if ( it.Index > SomeNumber) {// }      
}

//or

public static void Each<T>( this IEnumerable<T> ie, Action<T, int> action )
{
    var i = 0;
    foreach ( var e in ie ) action( e, i++ );
}
var strings = new List<string>();
strings.Each( ( str, n ) =>
{
    // hooray
} );