private void btnInfo_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.checkExist(typeof(frmShop)); if (frm != null) { frm.Activate(); } else { frmShop f = new frmShop(); f.MdiParent = this; f.Show(); } }
public shopSubsystem(dbProvider currentDbProvider) // конструктор // создаем форму myFormShop { myDbProvider = currentDbProvider; // передаем ссылку на БД коннектор myFormShop = new frmShop(); }