using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.Diagnostics;namespace WorkHelper
{
class SysHook
{
[DllImport("user32")]
public static extern bool BlockInput(bool isBlock);
[DllImport(@"native.dll", EntryPoint = "FuckSysKey")]
private extern static bool FuckSysKey(bool enAble); public void BlockKeyAndMouse(bool b)
{
BlockInput(b);
FuckSysKey(b);//锁定ctrl+alt+del
}
public delegate int HookProc(int nCode, int wParam, IntPtr lParam);
static int hHook = 0;
public const int WH_KEYBOARD_LL = 13; //LowLevel键盘截获,如果是WH_KEYBOARD=2,并不能对系统键盘截取,Acrobat Reader会在你截取之前获得键盘。
HookProc KeyBoardHookProcedure; //键盘Hook结构函数
[StructLayout(LayoutKind.Sequential)]
public class KeyBoardHookStruct
{
public int vkCode;
public int scanCode;
public int flags;
public int time;
public int dwExtraInfo;
} #region DllImport
//设置钩子
[DllImport("user32.dll")]
public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
//抽掉钩子
public static extern bool UnhookWindowsHookEx(int idHook);
[DllImport("user32.dll")]
//调用下一个钩子
public static extern int CallNextHookEx(int idHook, int nCode, int wParam, IntPtr lParam); [DllImport("kernel32.dll")]
public static extern int GetCurrentThreadId(); [DllImport("kernel32.dll")]
public static extern IntPtr GetModuleHandle(string name); public void Hook_Start()
{
// 安装键盘钩子
if (hHook == 0)
{
KeyBoardHookProcedure = new HookProc(KeyBoardHookProc); //hHook = SetWindowsHookEx(2,
// KeyBoardHookProcedure,
// GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), GetCurrentThreadId()); hHook = SetWindowsHookEx(WH_KEYBOARD_LL,
KeyBoardHookProcedure,
GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), 0);
//如果设置钩子失败.
if (hHook == 0)
{
Hook_Clear();
//throw new Exception("设置Hook失败!");
}
}
} //取消钩子事件
public void Hook_Clear()
{
bool retKeyboard = true;
if (hHook != 0)
{
retKeyboard = UnhookWindowsHookEx(hHook);
hHook = 0;
}
//如果去掉钩子失败.
if (!retKeyboard) throw new Exception("UnhookWindowsHookEx failed.");
} //这里可以添加自己想要的信息处理
public static int KeyBoardHookProc(int nCode, int wParam, IntPtr lParam)
{
if (nCode >= 0)
{
KeyBoardHookStruct kbh = (KeyBoardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyBoardHookStruct));
// MessageBox.Show(kbh.vkCode.ToString()); if (kbh.vkCode != 32)
{
return 1;
}
}
return CallNextHookEx(hHook, nCode, wParam, lParam);
} #endregion }
}
下面用窗体调用,初始化对象
SysHook h = new SysHook(); h.Hook_Start();//锁定键盘
h.Hook_Clear();//解锁
h.BlockKeyAndMouse(true);//锁定键盘和鼠标,包括任务管理器热键
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.Diagnostics;namespace WorkHelper
{
class SysHook
{
[DllImport("user32")]
public static extern bool BlockInput(bool isBlock);
[DllImport(@"native.dll", EntryPoint = "FuckSysKey")]
private extern static bool FuckSysKey(bool enAble); public void BlockKeyAndMouse(bool b)
{
BlockInput(b);
FuckSysKey(b);//锁定ctrl+alt+del
}
public delegate int HookProc(int nCode, int wParam, IntPtr lParam);
static int hHook = 0;
public const int WH_KEYBOARD_LL = 13; //LowLevel键盘截获,如果是WH_KEYBOARD=2,并不能对系统键盘截取,Acrobat Reader会在你截取之前获得键盘。
HookProc KeyBoardHookProcedure; //键盘Hook结构函数
[StructLayout(LayoutKind.Sequential)]
public class KeyBoardHookStruct
{
public int vkCode;
public int scanCode;
public int flags;
public int time;
public int dwExtraInfo;
} #region DllImport
//设置钩子
[DllImport("user32.dll")]
public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
//抽掉钩子
public static extern bool UnhookWindowsHookEx(int idHook);
[DllImport("user32.dll")]
//调用下一个钩子
public static extern int CallNextHookEx(int idHook, int nCode, int wParam, IntPtr lParam); [DllImport("kernel32.dll")]
public static extern int GetCurrentThreadId(); [DllImport("kernel32.dll")]
public static extern IntPtr GetModuleHandle(string name); public void Hook_Start()
{
// 安装键盘钩子
if (hHook == 0)
{
KeyBoardHookProcedure = new HookProc(KeyBoardHookProc); //hHook = SetWindowsHookEx(2,
// KeyBoardHookProcedure,
// GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), GetCurrentThreadId()); hHook = SetWindowsHookEx(WH_KEYBOARD_LL,
KeyBoardHookProcedure,
GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), 0);
//如果设置钩子失败.
if (hHook == 0)
{
Hook_Clear();
//throw new Exception("设置Hook失败!");
}
}
} //取消钩子事件
public void Hook_Clear()
{
bool retKeyboard = true;
if (hHook != 0)
{
retKeyboard = UnhookWindowsHookEx(hHook);
hHook = 0;
}
//如果去掉钩子失败.
if (!retKeyboard) throw new Exception("UnhookWindowsHookEx failed.");
} //这里可以添加自己想要的信息处理
public static int KeyBoardHookProc(int nCode, int wParam, IntPtr lParam)
{
if (nCode >= 0)
{
KeyBoardHookStruct kbh = (KeyBoardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyBoardHookStruct));
// MessageBox.Show(kbh.vkCode.ToString()); if (kbh.vkCode != 32)
{
return 1;
}
}
return CallNextHookEx(hHook, nCode, wParam, lParam);
} #endregion }
}
下面用窗体调用,初始化对象
SysHook h = new SysHook(); h.Hook_Start();//锁定键盘
h.Hook_Clear();//解锁
h.BlockKeyAndMouse(true);//锁定键盘和鼠标,包括任务管理器热键
显示:无法加载“native.dll”:找不到指定的模块(异常来自HRESULT:0x8007007E)
本机没有native.dll,网上找不到该名称的文件下载,请问是怎么回事呢?
如果是有该文件下载的,请直接给出链接。
如果是程序本身问题,请给出修改后程序。
如果有其他锁住ctrl+alt+delete方法,请给出程序(越详细越好)
感谢各位大虾啊!!小弟急用!!!!