using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.InteropServices;

using System.IO;

namespace 遍历所有窗体_获取句柄和窗体名称

{

    class Program

    {

        private delegate bool WNDENUMPROC(IntPtr hWnd, int lParam);

    

        [DllImport("user32.dll")]

        private static extern bool EnumWindows(WNDENUMPROC lpEnumFunc, int lParam);

        //[DllImport("user32.dll")]

        //private static extern IntPtr FindWindowW(string lpClassName, string lpWindowName);

     

        [DllImport("user32.dll")]

        private static extern int GetWindowTextW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)]StringBuilder lpString, int nMaxCount);

     

        [DllImport("user32.dll")]

        private static extern int GetClassNameW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)]StringBuilder lpString, int nMaxCount);

    

        public struct WindowInfo

        {

            public IntPtr hWnd;

            public string szWindowName;

            public string szClassName;

        }

        static void Main(string[] args)

        {

            List<WindowInfo> wndList = new List<WindowInfo>();

            //enum all desktop windows

            EnumWindows(delegate(IntPtr hWnd, int lParam)//这里不明白啊

            {

                WindowInfo wnd = new WindowInfo();

                StringBuilder sb = new StringBuilder(256);//动态的字符串

                //get hwnd

                wnd.hWnd = hWnd;

                //get window name

                GetWindowTextW(hWnd, sb, sb.Capacity);

          [code=csharp]      wnd.szWindowName = sb.ToString();