此文记录的是一个关于关闭窗口工具类。

/***      关闭窗口工具类      Austin Liu 刘恒辉     Project Manager and Software Designer      E-Mail: lzhdim@163.com     Blog:   http://lzhdim.cnblogs.com     Date:   2024-01-15 15:18:00      使用方法：         CloseWindowUtil.CloseWindow(this.Handle);  ***/  namespace Lzhdim.LPF.Utility {     using System;     using System.Diagnostics;     using System.Reflection;     using System.Runtime.InteropServices;      /// 
     /// 关闭窗口工具类     /// 
     public class CloseWindowUtil     {         /// 
         /// 定义关闭窗口的消息常量         /// 
         private const uint WM_CLOSE = 0x0010;          /// 
         /// 关闭主窗体，相当于退出当前应用         /// 
         public static void CloseMainWindow()         {             Process currentProcess = Process.GetCurrentProcess();             foreach (Process process in Process.GetProcessesByName(currentProcess.ProcessName))             {                 if (Assembly.GetExecutingAssembly().Location.Replace("/", @"\") == process.MainModule.FileName)                 {                     if (process.MainWindowHandle != IntPtr.Zero)                     {                         PostMessage(process.MainWindowHandle, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);                     }                      break;                 }             }         }          /// 
         /// 关闭窗体         /// 
         /// 窗体句柄         public static void CloseWindow(IntPtr hWnd)         {             PostMessage(hWnd, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);         }          [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]         private static extern bool PostMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);     } }