using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Threading.Tasks; using System.Windows.Forms; namespace ProjectManagementSystem { static class Program { /// /// 应用程序的主入口点。 /// [STAThread] static void Main() { string processName = Process.GetCurrentProcess().ProcessName; Process[] processes = Process.GetProcessesByName(processName); //if (processes.Length > 1) //{ // MessageBox.Show("程序已运行,不能再次打开!"); // Environment.Exit(1); //} //else //{ // Application.EnableVisualStyles(); // Application.SetCompatibleTextRenderingDefault(false); // Application.Run(new MainForm()); //} Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new MainForm()); } } }