WindowsForms 以系統管理員身分啟動

Program.cs

using System;
using System.Diagnostics;
using System.Security.Principal;
using System.Windows.Forms;

namespace RuyutAdministratorStart
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            // 判斷是否以系統管理員身分啟動
            if (new WindowsPrincipal(WindowsIdentity.GetCurrent()).IsInRole(WindowsBuiltInRole.Administrator))
            {
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
                Application.Run(new Form1());
            }
            else
            {
                // 以系統管理員身分重新啟動
                var processInfo = new ProcessStartInfo
                {
                    UseShellExecute = true,
                    FileName = Application.ExecutablePath,
                    Verb = "runas",
                };

                try
                {
                    Process.Start(processInfo);
                }
                catch (Exception ex)
                {
                    // 授予系統管理員身分被拒絕
                    MessageBox.Show("本程式必須以系統管理員身分啟動!\n錯誤訊息：" + ex.Message);
                }
            }
        }
    }
}