mirror of
https://github.com/eggplantlwj/VisionEdit.git
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179 lines
8.6 KiB
C#
179 lines
8.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace HZH_Controls
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{
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/// <summary>
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/// 钩子类型
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/// </summary>
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public enum HookType : int
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{
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/// <summary>
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/// 安装一个钩子过程,该过程监视由于对话框,消息框,菜单或滚动条中的输入事件而生成的消息。
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/// 有关更多信息,请参阅MessageProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644987(v=vs.85))挂接过程。
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/// </summary>
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WH_MSGFILTER = -1,
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/// <summary>
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/// 安装一个钩子过程,记录发布到系统消息队列的输入消息。 此挂钩对于录制宏非常有用。
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/// 有关更多信息,请参阅JournalRecordProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644983(v=vs.85))挂钩过程。
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/// </summary>
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WH_JOURNALRECORD = 0,
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/// <summary>
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/// 安装一个挂钩过程,该过程发布先前由WH_JOURNALRECORD挂钩过程记录的消息。
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/// 有关更多信息,请参阅JournalPlaybackProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644982(v=vs.85))挂钩过程。
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/// </summary>
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WH_JOURNALPLAYBACK = 1,
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/// <summary>
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/// 安装一个监视击键消息的钩子程序。
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/// 有关更多信息,请参阅KeyboardProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644984(v=vs.85))挂钩过程。
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/// </summary>
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WH_KEYBOARD = 2,
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/// <summary>
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/// 安装一个钩子过程来监视发布到消息队列的消息。
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/// 有关更多信息,请参阅GetMsgProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644981(v=vs.85))挂接过程。
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/// </summary>
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WH_GETMESSAGE = 3,
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/// <summary>
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/// 安装一个钩子过程,在系统将消息发送到目标窗口过程之前监视消息。
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/// 有关更多信息,请参阅CallWndProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644975(v=vs.85))挂接过程。
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/// </summary>
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WH_CALLWNDPROC = 4,
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/// <summary>
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/// 安装一个钩子程序,接收对CBT应用程序有用的通知。
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/// 有关更多信息,请参阅CBTProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644977(v=vs.85))挂钩过程。
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/// </summary>
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WH_CBT = 5,
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/// <summary>
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/// 安装一个钩子过程,该过程监视由于对话框,消息框,菜单或滚动条中的输入事件而生成的消息。
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/// 钩子过程监视与调用线程在同一桌面中的所有应用程序的这些消息。
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/// 有关更多信息,请参阅SysMsgProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644992(v=vs.85))挂接过程。
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/// </summary>
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WH_SYSMSGFILTER = 6,
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/// <summary>
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/// 安装监视鼠标消息的钩子过程。
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/// 有关更多信息,请参阅MouseProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644988(v=vs.85))挂钩过程。
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/// </summary>
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WH_MOUSE = 7,
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/// <summary>
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/// 安装一个用于调试其他钩子过程的钩子过程。
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/// 有关更多信息,请参阅DebugProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644978(v=vs.85))挂接过程。
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/// </summary>
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WH_DEBUG = 9,
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/// <summary>
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/// 安装一个钩子过程,接收对shell应用程序有用的通知。
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/// 有关更多信息,请参阅ShellProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644991(v=vs.85))挂钩过程。
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/// </summary>
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WH_SHELL = 10,
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/// <summary>
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/// 安装一个钩子过程,当应用程序的前台线程即将变为空闲时将调用该过程。
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/// 此挂钩对于在空闲时执行低优先级任务非常有用。
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/// 有关更多信息,请参阅ForegroundIdleProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644980(v=vs.85))挂钩过程。
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/// </summary>
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WH_FOREGROUNDIDLE = 11,
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/// <summary>
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/// 安装一个钩子过程,该过程在目标窗口过程处理完消息后对其进行监视。
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/// 有关更多信息,请参阅CallWndRetProc(https://docs.microsoft.com/windows/desktop/api/winuser/nc-winuser-hookproc)挂接过程。
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/// </summary>
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WH_CALLWNDPROCRET = 12,
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/// <summary>
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/// 安装一个监视低级键盘输入事件的钩子过程。 有关更多信息,
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/// 请参阅LowLevelKeyboardProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644985(v=vs.85))挂接过程。
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/// </summary>
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WH_KEYBOARD_LL = 13,
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/// <summary>
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/// 安装一个监视低级鼠标输入事件的钩子过程。 有关更多信息,
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/// 请参阅LowLevelMouseProc(https://docs.microsoft.com/previous-versions/windows/desktop/legacy/ms644986(v=vs.85))挂接过程。
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/// </summary>
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WH_MOUSE_LL = 14,
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}
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public class WindowsHook
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{
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public delegate int HookProc(int nCode, IntPtr wParam, IntPtr lParam);
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// 装置钩子的函数
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[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
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public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, int hInstance, int threadId);
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// 卸下钩子的函数
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[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
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public static extern bool UnhookWindowsHookEx(int idHook);
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// 下一个钩挂的函数
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[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
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public static extern int CallNextHookEx(int idHook, int nCode, IntPtr wParam, IntPtr lParam);
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[DllImport("User32.dll", CharSet = CharSet.Auto)]
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public static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
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/// <summary>
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/// Delegate HookMsgHandler
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/// </summary>
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/// <param name="strHookName">钩子名称</param>
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/// <param name="msg">消息值</param>
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public delegate void HookMsgHandler(string strHookName, int nCode, IntPtr msg, IntPtr lParam);
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/// <summary>
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/// 钩子消息事件
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/// </summary>
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public static event HookMsgHandler HookMsgChanged;
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/// <summary>
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/// 启动一个钩子
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/// </summary>
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/// <param name="hookType">钩子类型</param>
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/// <param name="wParam">模块句柄,为空则为当前模块</param>
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/// <param name="pid">进程句柄,默认为0则表示当前进程</param>
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/// <param name="strHookName">钩子名称</param>
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/// <returns>钩子句柄(消耗钩子时需要使用)</returns>
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/// <exception cref="Exception">SetWindowsHookEx failed.</exception>
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public static int StartHook(HookType hookType, int wParam = 0, int pid = 0, string strHookName = "")
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{
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int _hHook = 0;
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// 生成一个HookProc的实例.
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var _hookProcedure = new HookProc((nCode, msg, lParam) =>
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{
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if (HookMsgChanged != null)
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{
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try
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{
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HookMsgChanged(strHookName, nCode, msg, lParam);
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}
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catch { }
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}
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int inext = CallNextHookEx(_hHook, nCode, msg, lParam);
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return inext;
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});
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if (pid ==0)
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pid = AppDomain.GetCurrentThreadId();
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_hHook = SetWindowsHookEx((int)hookType, _hookProcedure, wParam, pid);
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//假设装置失败停止钩子
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if (_hHook == 0)
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{
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StopHook(_hHook);
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}
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return _hHook;
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}
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/// <summary>
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/// 停止钩子
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/// </summary>
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/// <param name="_hHook">StartHook函数返回的钩子句柄</param>
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/// <returns><c>true</c> if 停止成功, <c>false</c> 否则.</returns>
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public static bool StopHook(int _hHook)
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{
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bool ret = true;
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if (_hHook != 0)
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{
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ret = UnhookWindowsHookEx(_hHook);
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}
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// 假设卸下钩子失败
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if (!ret)
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return false;
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return true;
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}
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}
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}
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