private void _formatsView_DragDrop(object sender, DragEventArgs e)
{
var newFormats = new PaperFormat[PriceManager.PaperFormats.Count];
for (int i = 0; i < _formatsView.Rows.Count; i++)
{
PaperFormat type = _formatsView.Rows[i].Tag as PaperFormat;
if (type != null)
{
newFormats[i] = type;
}
}
PriceManager.UpdatePaperFormats(newFormats);
ValidateCells(null);
}