private void listViewServices_SelectedIndexChanged(object sender, EventArgs e)
{
FormService f = new FormService(listViewServices.SelectedItems.IndexOf(listViewServices.FocusedItem)+1);
f.ShowDialog();
}
private void listViewServices_ItemActivate(object sender, EventArgs e)
{
FormService f = new FormService(listViewServices.SelectedIndices[0]);
f.ShowDialog();
}