ÀûÓÃWM_COPYDATAÔÚÓ¦ÓóÌÐò¼ä´«µÝÊý¾Ý(C#)

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace ThreeTorches
{
    public struct Copydatastruct
    {
        public IntPtr dwData;
        public int cbData;
        public IntPtr lpData;
    }
    public static class XianaoMessage
    {
        [DllImport("User32.dll", EntryPoint = "FindWindow")]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
        [DllImport("user32.dll", EntryPoint = "FindWindowEx")]
        public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);
        //·¢ËÍÊý¾ÝµÄÏûÏ¢³£Êý
        public const int WmCopydata = 0x4A;
        /// <summary>
        /// Win32µÄ·¢ËÍÏûÏ¢º¯Êý
        /// </summary>
        /// <param name="hwnd">½ÓÊÕÏûÏ¢µÄ´°¿Ú¾ä±ú</param>
        /// <param name="msg">ÏûÏ¢ID</param>
        /// <param name="wparam">¸ßλÐÅÏ¢</param>
        /// <param name="lparam">µÍλÐÅÏ¢</param>
        /// <returns></returns>
        [System.Runtime.InteropServices.Dll