C#实现开关显示器功能
使用C#编写了个控制显示器开关的程序。
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; namespace Helper { public class MonitorHelper { public static void TurnOn() { SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, -1); } public static void TurnOff() { SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, 2); } [DllImport("user32.dll")] public static extern int SendMessage(IntPtr hWnd, uint Msg, int wParam, int lParam); private static readonly IntPtr HWND_BROADCAST = new IntPtr(0xffff); private const uint WM_SYSCOMMAND = 0x0112; private const int SC_MONITORPOWER = 0xf170; } }