C#

private void LVRecord_ColumnClick(object sender, ColumnClickEventArgs e)
{
    Cursor = Cursors.WaitCursor;
    // LV_Record.ColumnClick -= LVRecord_ColumnClick;

   // Determine whether the column is the same as the last column clicked.
   if (e.Column.Equals(_lvrColumnSorter.SortColumn))
    {
        // Reverse the current sort direction for this column.
        if (_lvrColumnSorter.Order.Equals(SortOrder.Ascending))
        {
            _lvrColumnSorter.Order = SortOrder.Descending;
        }
        else
        {
            _lvrColumnSorter.Order = SortOrder.Ascending;
        }
    }
    else
    {
        // Set the column number that is to be sorted; default to ascending.
        _lvrColumnSorter.SortColumn = e.Column;
        _lvrColumnSorter.Order = SortOrder.Ascending;
    }

    // Perform the sort with these new sort options.
    this.LV_Record.Sort();

    // LV_Record.ColumnClick += LVRecord_ColumnClick;
    Cursor = Cursors.Arrow;
}