?/*
 *--------------------------------------------------------
 *	Class Name(類名):	QQMsgSender
 *	Author(創(chuàng)建者):		三角貓
 *	Email(電子郵件):	alex_zzg@163.com
 *	Create Time(創(chuàng)建時間):	2008/11/15 21:27:18 
 *	CLR Version(CLR版本):	2.0.50727.312
 *	Copyright (c) 		三角貓 www.zu14.cn
 *	All Rights Reserved.
 *	File Memo(備注):
 *--------------------------------------------------------
*/
using System;
using System.Collections.Generic;
using System.Text;

namespace QQAutoMsg
{
    /// <summary>
    /// 消息發(fā)送
    /// </summary>
    internal static class QQMsgSender
    {
        /// <summary>
        /// 發(fā)送消息
        /// </summary>
        /// <param name="qqChatWindows">所以已打開的QQ窗體的列表</param>
        /// <param name="msg">消息內(nèi)容</param>
        internal static void Go(List<EnumQQChatWindows.QQChatWindow> qqChatWindows, string msg)
        {
            foreach (EnumQQChatWindows.QQChatWindow win in qqChatWindows)
            {
                SendMsg(win.WindowHwnd, msg);
            }
        }

        /// <summary>
        /// 根據(jù)窗體句柄，找到輸入框和發(fā)送按鈕，發(fā)送消息出去
        /// </summary>
        /// <param name="hWnd">聊天窗口句柄</param>
        /// <param name="msg">消息內(nèi)容</param>
        private static void SendMsg(IntPtr hWnd, string msg)
        {
            if (NativeMethods.IsWindow(hWnd)) //確認該聊天窗口仍然有效
            {
                ////找到 發(fā)送 按鈕
                IntPtr hwndButton = NativeMethods.FindWindowEx(hWnd, IntPtr.Zero, "Button", "發(fā)送(S)");

                if (IntPtr.Zero != hwndButton)
                {
                    ////找到窗體順序上的第一個RichEdit20A控件，其實就是消息顯示框
                    IntPtr hwndRichEdit = NativeMethods.FindWindowEx(hWnd, IntPtr.Zero, "RichEdit20A", null);

                    ////利用spy++，可以看到消息輸入框的父窗體是類名為 AfxWnd42 的控件
                    ////在順序上是顯示框的下一個窗體
                    if (IntPtr.Zero != hwndRichEdit)
                    {
                        ////找到 AfxWnd42 這個窗體
                        hwndRichEdit = NativeMethods.GetWindow(hwndRichEdit, NativeMethods.GW_HWNDNEXT);
                        if (IntPtr.Zero != hwndRichEdit)
                        {
                            ////這才是真正的消息輸入框
                            hwndRichEdit = NativeMethods.FindWindowEx(hwndRichEdit, IntPtr.Zero, "RichEdit20A", null);
                            if (hwndRichEdit != IntPtr.Zero)
                            {
                                ////發(fā)送消息，因為QQ屏蔽了 WM_SETTEXT, WM_PASTE 命令，所有采用 EM_REPLACESEL 來實現(xiàn)
                                NativeMethods.SendMessage(hwndRichEdit, NativeMethods.EM_REPLACESEL, IntPtr.Zero, msg);

                                ////給發(fā)送按鈕發(fā) 鼠標單擊消息
                                NativeMethods.SendMessage(hwndButton, NativeMethods.BM_CLICK, IntPtr.Zero, IntPtr.Zero);
                            }
                        }
                    }
                }
            }
        }
    }
}