private void đăngKýToolStripMenuItem_Click(object sender, EventArgs e) { using (frmRegistration frm = new frmRegistration()) { frm.ShowDialog(); } }
public frmMain() { InitializeComponent(); //kiem tra license KeyManager km = new KeyManager(ComputerInfo.GetComputerId()); LicenseInfo lic = new LicenseInfo(); int value = km.LoadSuretyFile(string.Format(@"{0}\Key.lic", Application.StartupPath), ref lic); string productKey = lic.ProductKey; bool isActive = false;//bien kiem tra kich hoat if (km.ValidKey(ref productKey)) { KeyValuesClass kv = new KeyValuesClass(); if (km.DisassembleKey(productKey, ref kv)) { if (kv.Type == LicenseType.TRIAL) { //dung thu ma con ngay thi cho chay if ((kv.Expiration - DateTime.Now.Date).Days > 0) { isActive = true; } } else { isActive = true; } } } if (isActive) { //da kich hoat thi load url camera LoadUrlCamera(); } else { using (frmRegistration frm = new frmRegistration()) { frm.ShowDialog(); } } }