public static AddContract GetAddContract() { if (add_contract == null) { add_contract = new AddContract(); } add_contract.Activate(); return(add_contract); }
private void Window_Closed(object sender, EventArgs e) { add_contract = null; }
//Договори private void AddContract_Click(object sender, RoutedEventArgs e) { add_contract = AddContract.GetAddContract(); add_contract.Show(); }