//Visual Basic 2010 Recursie Procedures en Functies
public class QuickSort {
    void Main() {
        int[] numbers;
        this.PrintArray(numbers);
        this.QuickSort(numbers, 0, 7);
        this.PrintArray(numbers);
        Console.ReadLine();
    }
    void PrintArray(int[] values) {
        for (System.Collections.IEnumerator _it1 = values.GetEnumerator(); _it1.MoveNext(); ) {
            int value = ((int)(_it1.Current));

            Console.Write((value + " "));
        }
        Console.WriteLine();
    }
    void QuickSort(int[] array, int lowerbound, int upperbound) {
        int count = ((upperbound - lowerbound) 
                    + 1);
        if ((count == 2)) {
            if ((this.array(lowerbound) > this.array(upperbound))) {
                int backup = this.array(lowerbound);
                this.array(lowerbound) = this.array(upperbound);
                this.array(upperbound) = backup;
            }
        }
    }
}
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