Shutdown (15 second timeout)

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Description	This script will tell the system to shutdown after 15 seconds.
Language	C#
Minimum Version	8.1.1+
Created By	Efreak60952
Contributors	-
Date Created	Nov 18, 2016
Date Last Modified	Nov 18, 2016

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// The 15 second timeout allows enough time to cancel if someone's using the computer. // The config class on line 7 can be used to customize what happens. using System; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices; using System.Diagnostics; public static class DisplayFusionFunction { internal static class config { // number of seconds to wait (remove the *1000 on line 37 to use milliseconds instead) internal const uint Timeout = 15; // The text in the messagebox internal const string Text = "The system will shut down in {0} seconds."; // The title of the window. internal const string Title = "System shutting down in {0} seconds"; // The icon. Valid icons are described at https://msdn.microsoft.com/en-us/library/system.windows.forms.messageboxicon(v=vs.110).aspx internal const MessageBoxIcon icon = MessageBoxIcon.Exclamation; } public static void Run(IntPtr windowHandle) { Process proc = new Process(); proc.StartInfo.FileName = "CMD.exe"; proc.StartInfo.CreateNoWindow = true; proc.StartInfo.Arguments = "/c shutdown.exe /s /hybrid /t "+config.Timeout; proc.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; proc.Start(); proc.WaitForExit(); string Title=String.Format(config.Title,config.Timeout); string Text=String.Format(config.Text,config.Timeout); DialogResult DoShutdown = MessageBoxEx.Show(Text,Title,MessageBoxButtons.OKCancel,config.icon,(config.Timeout-1)*1000); if(DoShutdown == DialogResult.Cancel) { Process proc2 = new Process(); proc2.StartInfo.FileName = "CMD.exe"; proc2.StartInfo.CreateNoWindow = true; proc2.StartInfo.Arguments = "/c shutdown.exe /a"; proc2.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; proc2.Start(); proc2.WaitForExit(); } } } //borrowed from http://www.codeproject.com/Articles/7968/MessageBox-with-a-timeout-for-NET //unnecessary stuff removed namespace System.Windows.Forms { public class MessageBoxEx { public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, uint uTimeout) { Setup(caption, uTimeout); return MessageBox.Show(text, caption, buttons, icon); } public delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam); public delegate void TimerProc(IntPtr hWnd, uint uMsg, UIntPtr nIDEvent, uint dwTime); public const int WH_CALLWNDPROCRET = 12; public const int WM_DESTROY = 0x0002; public const int WM_INITDIALOG = 0x0110; public const int WM_TIMER = 0x0113; public const int WM_USER = 0x400; public const int DM_GETDEFID = WM_USER + 0; [DllImport("User32.dll")] public static extern UIntPtr SetTimer(IntPtr hWnd, UIntPtr nIDEvent, uint uElapse, TimerProc lpTimerFunc); [DllImport("User32.dll")] public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam); [DllImport("user32.dll")] public static extern IntPtr SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId); [DllImport("user32.dll")] public static extern int UnhookWindowsHookEx(IntPtr idHook); [DllImport("user32.dll")] public static extern IntPtr CallNextHookEx(IntPtr idHook, int nCode, IntPtr wParam, IntPtr lParam); [DllImport("user32.dll")] public static extern int GetWindowTextLength(IntPtr hWnd); [DllImport("user32.dll")] public static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int maxLength); [DllImport("user32.dll")] public static extern int EndDialog(IntPtr hDlg, IntPtr nResult); [StructLayout(LayoutKind.Sequential)] public struct CWPRETSTRUCT { public IntPtr lResult; public IntPtr lParam; public IntPtr wParam; public uint message; public IntPtr hwnd; }; private const int TimerID = 42; private static HookProc hookProc; private static TimerProc hookTimer; private static uint hookTimeout; private static string hookCaption; private static IntPtr hHook; static MessageBoxEx() { hookProc = new HookProc(MessageBoxHookProc); hookTimer = new TimerProc(MessageBoxTimerProc); hookTimeout = 0; hookCaption = null; hHook = IntPtr.Zero; } private static void Setup(string caption, uint uTimeout) { if (hHook != IntPtr.Zero) throw new NotSupportedException("multiple calls are not supported"); hookTimeout = uTimeout; hookCaption = caption != null ? caption : ""; hHook = SetWindowsHookEx(WH_CALLWNDPROCRET, hookProc, IntPtr.Zero, AppDomain.GetCurrentThreadId()); } private static IntPtr MessageBoxHookProc(int nCode, IntPtr wParam, IntPtr lParam) { if (nCode < 0) return CallNextHookEx(hHook, nCode, wParam, lParam); CWPRETSTRUCT msg = (CWPRETSTRUCT)Marshal.PtrToStructure(lParam, typeof(CWPRETSTRUCT)); IntPtr hook = hHook; if (hookCaption != null && msg.message == WM_INITDIALOG) { int nLength = GetWindowTextLength(msg.hwnd); StringBuilder text = new StringBuilder(nLength + 1); GetWindowText(msg.hwnd, text, text.Capacity); if (hookCaption == text.ToString()) { hookCaption = null; SetTimer(msg.hwnd, (UIntPtr)TimerID, hookTimeout, hookTimer); UnhookWindowsHookEx(hHook); hHook = IntPtr.Zero; } } return CallNextHookEx(hook, nCode, wParam, lParam); } private static void MessageBoxTimerProc(IntPtr hWnd, uint uMsg, UIntPtr nIDEvent, uint dwTime) { if (nIDEvent == (UIntPtr)TimerID) { short dw = (short)SendMessage(hWnd, DM_GETDEFID, IntPtr.Zero, IntPtr.Zero); EndDialog(hWnd, (IntPtr)dw); } } } }