using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace ConstructionCompanyView { public partial class FormManagerMenu : Form { public FormManagerMenu() { InitializeComponent(); } private void заказыToolStripMenuItem_Click(object sender, EventArgs e) { var service = Program.ServiceProvider?.GetService(typeof(FormOrders)); if (service is FormOrders form) { form.ShowDialog(); } } } }