向进程传递消息的一个API[这个例子具有破坏性,执行前请保存未存档文件]

using System;
using System.Runtime.InteropServices;

class test_BroadcastSystemMessage
{
 const short BSF_POSTMESSAGE=0x10;
 static short BSM_APPLICATIONS=0x8;
 private const Int32 SC_RESTORE =0xF120;
 const short WM_SYSCOMMAND = 0x112;

 [DllImport("user32.dll")]
 public static extern void BroadcastSystemMessage(short i,ref short ii, short iii, Int32 iiii, Int32 z);
 static void Main()
 {
  Console.WriteLine("这个程序具有破坏性,请退出当前所有程序,\"Y\"执行;\"N\"退出当前程序");
  string confirm=Console.ReadLine();
  switch(confirm)
  {
   case "Y":
    BroadcastSystemMessage(BSF_POSTMESSAGE,ref BSM_APPLICATIONS, WM_SYSCOMMAND, SC_RESTORE, 0);
    break;
   case "y":
    BroadcastSystemMessage(BSF_POSTMESSAGE,ref BSM_APPLICATIONS, WM_SYSCOMMAND, SC_RESTORE, 0);
    break;
   case "N":
    break;
   case "n":
    break;
   default:
    Console.WriteLine("请确入有效字符(Y/N),重新起动程序...");
    break;
  }
 }
}

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