private void btnOk_Click(object sender, EventArgs e)
{
int index = (list.SelectedIndices.Count < 1 ? -1 : list.SelectedIndices[0] - 1);
if (index > -1)
SelectedProvider = providers[index];
this.Close();
}
public SelectProvider(Provider[] providers)
{
InitializeComponent();
this.providers = providers;
foreach (Provider p in providers)
list.Items.Add(p.Name);
list.DoubleClick += delegate { btnOk_Click(null, null); };
}