ToArray

Query
public void Linq54()
{
double[] doubles = { 1.7, 2.3, 1.9, 4.1, 2.9 };

var sortedDoubles =
from d in doubles
orderby d descending
select d;
var doublesArray = sortedDoubles.ToArray();

Console.WriteLine("Every other double from highest to lowest:");
for (int d = 0; d < doublesArray.Length; d += 2)
{
Console.WriteLine(doublesArray[d]);
}
}
Lambda Expression
public void Linq54()
{
double[] doubles = { 1.7, 2.3, 1.9, 4.1, 2.9 };

var sortedDoubles = doubles.OrderByDescending(d => d);
var doublesArray = sortedDoubles.ToArray();

Console.WriteLine("Every other double from highest to lowest:");
for (int d = 0; d < doublesArray.Length; d += 2)
{
Console.WriteLine(doublesArray[d]);
}
}
Output
Every other double from highest to lowest:
4.1
2.3
1.7