public static FormMaintenance GetInstance() { if (fm == null) { fm = new FormMaintenance(); } return(fm); }
private void 维护切换ToolStripMenuItem_Click(object sender, EventArgs e) { using (FormMaintenance fm = new FormMaintenance(UserServer.ServerSettings)) { fm.ShowDialog(); MaintenanceInitialization(); } }
private void MenuItemMaintenance_Click(object sender, EventArgs e) { FormMaintenance Frm = FormMaintenance.GetForm(); ShowForm(Frm); }