C#

public int Compare(object x, object y)
{
   int compareResult;
   ListViewItem listviewX, listviewY;

   // Cast the objects to be compared to ListViewItem objects
   listviewX = (ListViewItem)x;
   listviewY = (ListViewItem)y;

   // Compare the two items
   compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text, listviewY.SubItems[ColumnToSort].Text);
   // Calculate correct return value based on object comparison
   if (OrderOfSort == SortOrder.Ascending)
   {
      // Ascending sort is selected, return normal result of compare operation
      return compareResult;
   }
   else if (OrderOfSort == SortOrder.Descending)
   {
      // Descending sort is selected, return negative result of compare operation
      return (-compareResult);
   }
   else
   {
      // Return '0' to indicate they are equal
      return 0;
   }
}

this.lbNames.DataSource = cn.Patient.Names;