-
C#钩子类 几乎捕获键盘鼠标所有事件
- using System;
- using System.Text;
- using System.Runtime.InteropServices;
- using System.Reflection;
- using System.Windows.Forms;
-
- namespace MouseKeyboardLibrary
- {
-
-
-
-
- public abstract class GlobalHook
- {
-
- #region Windows API Code
-
- [StructLayout(LayoutKind.Sequential)]
- protected class POINT
- {
- public int x;
- public int y;
- }
-
- [StructLayout(LayoutKind.Sequential)]
- protected class MouseHookStruct
- {
- public POINT pt;
- public int hwnd;
- public int wHitTestCode;
- public int dwExtraInfo;
- }
-
- [StructLayout(LayoutKind.Sequential)]
- protected class MouseLLHookStruct
- {
- public POINT pt;
- public int mouseData;
- public int flags;
- public int time;
- public int dwExtraInfo;
- }
-
- [StructLayout(LayoutKind.Sequential)]
- protected class KeyboardHookStruct
- {
- public int vkCode;
- public int scanCode;
- public int flags;
- public int time;
- public int dwExtraInfo;
- }
-
- [DllImport("user32.dll", CharSet = CharSet.Auto,
- CallingConvention = CallingConvention.StdCall, SetLastError = true)]
- protected static extern int SetWindowsHookEx(
- int idHook,
- HookProc lpfn,
- IntPtr hMod,
- int dwThreadId);
-
- [DllImport("user32.dll", CharSet = CharSet.Auto,
- CallingConvention = CallingConvention.StdCall, SetLastError = true)]
- protected static extern int UnhookWindowsHookEx(int idHook);
-
-
- [DllImport("user32.dll", CharSet = CharSet.Auto,
- CallingConvention = CallingConvention.StdCall)]
- protected static extern int CallNextHookEx(
- int idHook,
- int nCode,
- int wParam,
- IntPtr lParam);
-
- [DllImport("user32")]
- protected static extern int ToAscii(
- int uVirtKey,
- int uScanCode,
- byte[] lpbKeyState,
- byte[] lpwTransKey,
- int fuState);
-
- [DllImport("user32")]
- protected static extern int GetKeyboardState(byte[] pbKeyState);
-
- [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
- protected static extern short GetKeyState(int vKey);
-
- protected delegate int HookProc(int nCode, int wParam, IntPtr lParam);
-
- protected const int WH_MOUSE_LL = 14;
- protected const int WH_KEYBOARD_LL = 13;
-
- protected const int WH_MOUSE = 7;
- protected const int WH_KEYBOARD = 2;
- protected const int WM_MOUSEMOVE = 0x200;
- protected const int WM_LBUTTONDOWN = 0x201;
- protected const int WM_RBUTTONDOWN = 0x204;
- protected const int WM_MBUTTONDOWN = 0x207;
- protected const int WM_LBUTTONUP = 0x202;
- protected const int WM_RBUTTONUP = 0x205;
- protected const int WM_MBUTTONUP = 0x208;
- protected const int WM_LBUTTONDBLCLK = 0x203;
- protected const int WM_RBUTTONDBLCLK = 0x206;
- protected const int WM_MBUTTONDBLCLK = 0x209;
- protected const int WM_MOUSEWHEEL = 0x020A;
- protected const int WM_KEYDOWN = 0x100;
- protected const int WM_KEYUP = 0x101;
- protected const int WM_SYSKEYDOWN = 0x104;
- protected const int WM_SYSKEYUP = 0x105;
-
- protected const byte VK_SHIFT = 0x10;
- protected const byte VK_CAPITAL = 0x14;
- protected const byte VK_NUMLOCK = 0x90;
-
- protected const byte VK_LSHIFT = 0xA0;
- protected const byte VK_RSHIFT = 0xA1;
- protected const byte VK_LCONTROL = 0xA2;
- protected const byte VK_RCONTROL = 0x3;
- protected const byte VK_LALT = 0xA4;
- protected const byte VK_RALT = 0xA5;
-
- protected const byte LLKHF_ALTDOWN = 0x20;
-
- #endregion
-
- #region Private Variables
-
- protected int _hookType;
- protected int _handleToHook;
- protected bool _isStarted;
- protected HookProc _hookCallback;
-
- #endregion
-
- #region Properties
-
- public bool IsStarted
- {
- get
- {
- return _isStarted;
- }
- }
-
- #endregion
-
- #region Constructor
-
- public GlobalHook()
- {
-
- Application.ApplicationExit += new EventHandler(Application_ApplicationExit);
-
- }
-
- #endregion
-
- #region Methods
-
- public void Start()
- {
-
- if (!_isStarted &&
- _hookType != 0)
- {
-
-
-
- _hookCallback = new HookProc(HookCallbackProcedure);
-
- _handleToHook = SetWindowsHookEx(
- _hookType,
- _hookCallback,
- Marshal.GetHINSTANCE(Assembly.GetExecutingAssembly().GetModules()[0]),
- 0);
-
-
- if (_handleToHook != 0)
- {
- _isStarted = true;
- }
-
- }
-
- }
-
- public void Stop()
- {
-
- if (_isStarted)
- {
-
- UnhookWindowsHookEx(_handleToHook);
-
- _isStarted = false;
-
- }
-
- }
-
- protected virtual int HookCallbackProcedure(int nCode, Int32 wParam, IntPtr lParam)
- {
-
-
- return 0;
-
- }
-
- protected void Application_ApplicationExit(object sender, EventArgs e)
- {
-
- if (_isStarted)
- {
- Stop();
- }
-
- }
-
- #endregion
-
- }
-
- }
- using System;
- using System.Text;
- using System.Windows.Forms;
- using System.Runtime.InteropServices;
-
- namespace MouseKeyboardLibrary
- {
-
-
-
-
- public class KeyboardHook : GlobalHook
- {
-
- #region Events
-
- public event KeyEventHandler KeyDown;
- public event KeyEventHandler KeyUp;
- public event KeyPressEventHandler KeyPress;
-
- #endregion
-
- #region Constructor
-
- public KeyboardHook()
- {
-
- _hookType = WH_KEYBOARD_LL;
-
- }
-
- #endregion
-
- #region Methods
-
- protected override int HookCallbackProcedure(int nCode, int wParam, IntPtr lParam)
- {
-
- bool handled = false;
-
- if (nCode > -1 && (KeyDown != null || KeyUp != null || KeyPress != null))
- {
-
- KeyboardHookStruct keyboardHookStruct =
- (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct));
-
-
- bool control = ((GetKeyState(VK_LCONTROL) & 0x80) != 0) ||
- ((GetKeyState(VK_RCONTROL) & 0x80) != 0);
-
-
- bool shift = ((GetKeyState(VK_LSHIFT) & 0x80) != 0) ||
- ((GetKeyState(VK_RSHIFT) & 0x80) != 0);
-
-
- bool alt = ((GetKeyState(VK_LALT) & 0x80) != 0) ||
- ((GetKeyState(VK_RALT) & 0x80) != 0);
-
-
- bool capslock = (GetKeyState(VK_CAPITAL) != 0);
-
-
- KeyEventArgs e = new KeyEventArgs(
- (Keys)(
- keyboardHookStruct.vkCode |
- (control ? (int)Keys.Control : 0) |
- (shift ? (int)Keys.Shift : 0) |
- (alt ? (int)Keys.Alt : 0)
- ));
-
-
- switch (wParam)
- {
-
- case WM_KEYDOWN:
- case WM_SYSKEYDOWN:
- if (KeyDown != null)
- {
- KeyDown(this, e);
- handled = handled || e.Handled;
- }
- break;
- case WM_KEYUP:
- case WM_SYSKEYUP:
- if (KeyUp != null)
- {
- KeyUp(this, e);
- handled = handled || e.Handled;
- }
- break;
-
- }
-
-
- if (wParam == WM_KEYDOWN &&
- !handled &&
- !e.SuppressKeyPress &&
- KeyPress != null)
- {
-
- byte[] keyState = new byte[256];
- byte[] inBuffer = new byte[2];
- GetKeyboardState(keyState);
-
- if (ToAscii(keyboardHookStruct.vkCode,
- keyboardHookStruct.scanCode,
- keyState,
- inBuffer,
- keyboardHookStruct.flags) == 1)
- {
-
- char key = (char)inBuffer[0];
- if ((capslock ^ shift) && Char.IsLetter(key))
- key = Char.ToUpper(key);
- KeyPressEventArgs e2 = new KeyPressEventArgs(key);
- KeyPress(this, e2);
- handled = handled || e.Handled;
-
- }
-
- }
-
- }
-
- if (handled)
- {
- return 1;
- }
- else
- {
- return CallNextHookEx(_handleToHook, nCode, wParam, lParam);
- }
-
- }
-
- #endregion
-
- }
-
- }
- using System;
- using System.Text;
- using System.Runtime.InteropServices;
- using System.Windows.Forms;
-
- namespace MouseKeyboardLibrary
- {
-
-
-
-
- public enum StandardShortcut
- {
- Copy,
- Cut,
- Paste,
- SelectAll,
- Save,
- Open,
- New,
- Close,
- Print
- }
-
-
-
-
- public static class KeyboardSimulator
- {
-
- #region Windows API Code
-
- const int KEYEVENTF_EXTENDEDKEY = 0x1;
- const int KEYEVENTF_KEYUP = 0x2;
-
- [DllImport("user32.dll")]
- static extern void keybd_event(byte key, byte scan, int flags, int extraInfo);
-
- #endregion
-
- #region Methods
-
- public static void KeyDown(Keys key)
- {
- keybd_event(ParseKey(key), 0, 0, 0);
- }
-
- public static void KeyUp(Keys key)
- {
- keybd_event(ParseKey(key), 0, KEYEVENTF_KEYUP, 0);
- }
-
- public static void KeyPress(Keys key)
- {
- KeyDown(key);
- KeyUp(key);
- }
-
- public static void SimulateStandardShortcut(StandardShortcut shortcut)
- {
- switch (shortcut)
- {
- case StandardShortcut.Copy:
- KeyDown(Keys.Control);
- KeyPress(Keys.C);
- KeyUp(Keys.Control);
- break;
- case StandardShortcut.Cut:
- KeyDown(Keys.Control);
- KeyPress(Keys.X);
- KeyUp(Keys.Control);
- break;
- case StandardShortcut.Paste:
- KeyDown(Keys.Control);
- KeyPress(Keys.V);
- KeyUp(Keys.Control);
- break;
- case StandardShortcut.SelectAll:
- KeyDown(Keys.Control);
- KeyPress(Keys.A);
- KeyUp(Keys.Control);
- break;
- case StandardShortcut.Save:
- KeyDown(Keys.Control);
- KeyPress(Keys.S);
- KeyUp(Keys.Control);
- break;
- case StandardShortcut.Open:
- KeyDown(Keys.Control);
- KeyPress(Keys.O);
- KeyUp(Keys.Control);
- break;
- case StandardShortcut.New:
- KeyDown(Keys.Control);
- KeyPress(Keys.N);
- KeyUp(Keys.Control);
- break;
- case StandardShortcut.Close:
- KeyDown(Keys.Alt);
- KeyPress(Keys.F4);
- KeyUp(Keys.Alt);
- break;
- case StandardShortcut.Print:
- KeyDown(Keys.Control);
- KeyPress(Keys.P);
- KeyUp(Keys.Control);
- break;
- }
- }
-
- static byte ParseKey(Keys key)
- {
-
-
- switch (key)
- {
- case Keys.Alt:
- return (byte)18;
- case Keys.Control:
- return (byte)17;
- case Keys.Shift:
- return (byte)16;
- default:
- return (byte)key;
- }
-
- }
-
- #endregion
-
- }
-
- }
- using System;
- using System.Text;
- using System.Windows.Forms;
- using System.Runtime.InteropServices;
-
- namespace MouseKeyboardLibrary
- {
-
-
-
-
- public class MouseHook : GlobalHook
- {
-
- #region MouseEventType Enum
-
- private enum MouseEventType
- {
- None,
- MouseDown,
- MouseUp,
- DoubleClick,
- MouseWheel,
- MouseMove
- }
-
- #endregion
-
- #region Events
-
- public event MouseEventHandler MouseDown;
- public event MouseEventHandler MouseUp;
- public event MouseEventHandler MouseMove;
- public event MouseEventHandler MouseWheel;
-
- public event EventHandler Click;
- public event EventHandler DoubleClick;
-
- #endregion
-
- #region Constructor
-
- public MouseHook()
- {
-
- _hookType = WH_MOUSE_LL;
-
- }
-
- #endregion
-
- #region Methods
-
- protected override int HookCallbackProcedure(int nCode, int wParam, IntPtr lParam)
- {
-
- if (nCode > -1 && (MouseDown != null || MouseUp != null || MouseMove != null))
- {
-
- MouseLLHookStruct mouseHookStruct =
- (MouseLLHookStruct)Marshal.PtrToStructure(lParam, typeof(MouseLLHookStruct));
-
- MouseButtons button = GetButton(wParam);
- MouseEventType eventType = GetEventType(wParam);
-
- MouseEventArgs e = new MouseEventArgs(
- button,
- (eventType == MouseEventType.DoubleClick ? 2 : 1),
- mouseHookStruct.pt.x,
- mouseHookStruct.pt.y,
- (eventType == MouseEventType.MouseWheel ? (short)((mouseHookStruct.mouseData >> 16) & 0xffff) : 0));
-
-
- if (button == MouseButtons.Right && mouseHookStruct.flags != 0)
- {
- eventType = MouseEventType.None;
- }
-
- switch (eventType)
- {
- case MouseEventType.MouseDown:
- if (MouseDown != null)
- {
- MouseDown(this, e);
- }
- break;
- case MouseEventType.MouseUp:
- if (Click != null)
- {
- Click(this, new EventArgs());
- }
- if (MouseUp != null)
- {
- MouseUp(this, e);
- }
- break;
- case MouseEventType.DoubleClick:
- if (DoubleClick != null)
- {
- DoubleClick(this, new EventArgs());
- }
- break;
- case MouseEventType.MouseWheel:
- if (MouseWheel != null)
- {
- MouseWheel(this, e);
- }
- break;
- case MouseEventType.MouseMove:
- if (MouseMove != null)
- {
- MouseMove(this, e);
- }
- break;
- default:
- break;
- }
-
- }
-
- return CallNextHookEx(_handleToHook, nCode, wParam, lParam);
-
- }
-
- private MouseButtons GetButton(Int32 wParam)
- {
-
- switch (wParam)
- {
-
- case WM_LBUTTONDOWN:
- case WM_LBUTTONUP:
- case WM_LBUTTONDBLCLK:
- return MouseButtons.Left;
- case WM_RBUTTONDOWN:
- case WM_RBUTTONUP:
- case WM_RBUTTONDBLCLK:
- return MouseButtons.Right;
- case WM_MBUTTONDOWN:
- case WM_MBUTTONUP:
- case WM_MBUTTONDBLCLK:
- return MouseButtons.Middle;
- default:
- return MouseButtons.None;
-
- }
-
- }
-
- private MouseEventType GetEventType(Int32 wParam)
- {
-
- switch (wParam)
- {
-
- case WM_LBUTTONDOWN:
- case WM_RBUTTONDOWN:
- case WM_MBUTTONDOWN:
- return MouseEventType.MouseDown;
- case WM_LBUTTONUP:
- case WM_RBUTTONUP:
- case WM_MBUTTONUP:
- return MouseEventType.MouseUp;
- case WM_LBUTTONDBLCLK:
- case WM_RBUTTONDBLCLK:
- case WM_MBUTTONDBLCLK:
- return MouseEventType.DoubleClick;
- case WM_MOUSEWHEEL:
- return MouseEventType.MouseWheel;
- case WM_MOUSEMOVE:
- return MouseEventType.MouseMove;
- default:
- return MouseEventType.None;
-
- }
- }
-
- #endregion
-
- }
-
- }
- using System;
- using System.Text;
- using System.Runtime.InteropServices;
- using System.Drawing;
- using System.Windows.Forms;
-
- namespace MouseKeyboardLibrary
- {
-
-
-
-
- public struct MousePoint
- {
-
- public MousePoint(Point p)
- {
- X = p.X;
- Y = p.Y;
- }
-
- public int X;
- public int Y;
-
- public static implicit operator Point(MousePoint p)
- {
- return new Point(p.X, p.Y);
- }
-
- }
-
-
-
-
- public enum MouseButton
- {
- Left = 0x2,
- Right = 0x8,
- Middle = 0x20
- }
-
-
-
-
- public static class MouseSimulator
- {
-
- #region Windows API Code
-
- [DllImport("user32.dll")]
- static extern int ShowCursor(bool show);
-
- [DllImport("user32.dll")]
- static extern void mouse_event(int flags, int dX, int dY, int buttons, int extraInfo);
-
- const int MOUSEEVENTF_MOVE = 0x1;
- const int MOUSEEVENTF_LEFTDOWN = 0x2;
- const int MOUSEEVENTF_LEFTUP = 0x4;
- const int MOUSEEVENTF_RIGHTDOWN = 0x8;
- const int MOUSEEVENTF_RIGHTUP = 0x10;
- const int MOUSEEVENTF_MIDDLEDOWN = 0x20;
- const int MOUSEEVENTF_MIDDLEUP = 0x40;
- const int MOUSEEVENTF_WHEEL = 0x800;
- const int MOUSEEVENTF_ABSOLUTE = 0x8000;
-
- #endregion
-
- #region Properties
-
-
-
-
- public static MousePoint Position
- {
- get
- {
- return new MousePoint(Cursor.Position);
- }
- set
- {
- Cursor.Position = value;
- }
- }
-
-
-
-
- public static int X
- {
- get
- {
- return Cursor.Position.X;
- }
- set
- {
- Cursor.Position = new Point(value, Y);
- }
- }
-
-
-
-
- public static int Y
- {
- get
- {
- return Cursor.Position.Y;
- }
- set
- {
- Cursor.Position = new Point(X, value);
- }
- }
-
- #endregion
-
- #region Methods
-
-
-
-
-
- public static void MouseDown(MouseButton button)
- {
- mouse_event(((int)button), 0, 0, 0, 0);
- }
-
- public static void MouseDown(MouseButtons button)
- {
- switch (button)
- {
- case MouseButtons.Left:
- MouseDown(MouseButton.Left);
- break;
- case MouseButtons.Middle:
- MouseDown(MouseButton.Middle);
- break;
- case MouseButtons.Right:
- MouseDown(MouseButton.Right);
- break;
- }
- }
-
-
-
-
-
- public static void MouseUp(MouseButton button)
- {
- mouse_event(((int)button) * 2, 0, 0, 0, 0);
- }
-
- public static void MouseUp(MouseButtons button)
- {
- switch (button)
- {
- case MouseButtons.Left:
- MouseUp(MouseButton.Left);
- break;
- case MouseButtons.Middle:
- MouseUp(MouseButton.Middle);
- break;
- case MouseButtons.Right:
- MouseUp(MouseButton.Right);
- break;
- }
- }
-
-
-
-
-
- public static void Click(MouseButton button)
- {
- MouseDown(button);
- MouseUp(button);
- }
-
- public static void Click(MouseButtons button)
- {
- switch (button)
- {
- case MouseButtons.Left:
- Click(MouseButton.Left);
- break;
- case MouseButtons.Middle:
- Click(MouseButton.Middle);
- break;
- case MouseButtons.Right:
- Click(MouseButton.Right);
- break;
- }
- }
-
-
-
-
-
- public static void DoubleClick(MouseButton button)
- {
- Click(button);
- Click(button);
- }
-
- public static void DoubleClick(MouseButtons button)
- {
- switch (button)
- {
- case MouseButtons.Left:
- DoubleClick(MouseButton.Left);
- break;
- case MouseButtons.Middle:
- DoubleClick(MouseButton.Middle);
- break;
- case MouseButtons.Right:
- DoubleClick(MouseButton.Right);
- break;
- }
- }
-
-
-
-
- public static void Show()
- {
- ShowCursor(true);
- }
-
-
-
-
- public static void Hide()
- {
- ShowCursor(false);
- }
-
- #endregion
-
- }
-
- }
- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Linq;
- using System.Text;
- using System.Windows.Forms;
-
- using MouseKeyboardLibrary;
-
- namespace SampleApplication
- {
-
- public partial class HookTestForm : Form
- {
-
- MouseHook mouseHook = new MouseHook();
- KeyboardHook keyboardHook = new KeyboardHook();
-
- public HookTestForm()
- {
- InitializeComponent();
- }
-
- private void TestForm_Load(object sender, EventArgs e)
- {
-
- mouseHook.MouseMove += new MouseEventHandler(mouseHook_MouseMove);
- mouseHook.MouseDown += new MouseEventHandler(mouseHook_MouseDown);
- mouseHook.MouseUp += new MouseEventHandler(mouseHook_MouseUp);
- mouseHook.MouseWheel += new MouseEventHandler(mouseHook_MouseWheel);
-
- keyboardHook.KeyDown += new KeyEventHandler(keyboardHook_KeyDown);
- keyboardHook.KeyUp += new KeyEventHandler(keyboardHook_KeyUp);
- keyboardHook.KeyPress += new KeyPressEventHandler(keyboardHook_KeyPress);
-
- mouseHook.Start();
- keyboardHook.Start();
-
- SetXYLabel(MouseSimulator.X, MouseSimulator.Y);
-
- }
-
- void keyboardHook_KeyPress(object sender, KeyPressEventArgs e)
- {
-
- AddKeyboardEvent(
- "KeyPress",
- "",
- e.KeyChar.ToString(),
- "",
- "",
- ""
- );
-
- }
-
- void keyboardHook_KeyUp(object sender, KeyEventArgs e)
- {
-
- AddKeyboardEvent(
- "KeyUp",
- e.KeyCode.ToString(),
- "",
- e.Shift.ToString(),
- e.Alt.ToString(),
- e.Control.ToString()
- );
-
- }
-
- void keyboardHook_KeyDown(object sender, KeyEventArgs e)
- {
-
-
- AddKeyboardEvent(
- "KeyDown",
- e.KeyCode.ToString(),
- "",
- e.Shift.ToString(),
- e.Alt.ToString(),
- e.Control.ToString()
- );
-
- }
-
- void mouseHook_MouseWheel(object sender, MouseEventArgs e)
- {
-
- AddMouseEvent(
- "MouseWheel",
- "",
- "",
- "",
- e.Delta.ToString()
- );
-
- }
-
- void mouseHook_MouseUp(object sender, MouseEventArgs e)
- {
-
-
- AddMouseEvent(
- "MouseUp",
- e.Button.ToString(),
- e.X.ToString(),
- e.Y.ToString(),
- ""
- );
-
- }
-
- void mouseHook_MouseDown(object sender, MouseEventArgs e)
- {
-
-
- AddMouseEvent(
- "MouseDown",
- e.Button.ToString(),
- e.X.ToString(),
- e.Y.ToString(),
- ""
- );
-
-
- }
-
- void mouseHook_MouseMove(object sender, MouseEventArgs e)
- {
-
- SetXYLabel(e.X, e.Y);
-
- }
-
- void SetXYLabel(int x, int y)
- {
-
- curXYLabel.Text = String.Format("Current Mouse Point: X={0}, y={1}", x, y);
-
- }
-
- void AddMouseEvent(string eventType, string button, string x, string y, string delta)
- {
-
- listView1.Items.Insert(0,
- new ListViewItem(
- new string[]{
- eventType,
- button,
- x,
- y,
- delta
- }));
-
- }
-
- void AddKeyboardEvent(string eventType, string keyCode, string keyChar, string shift, string alt, string control)
- {
-
- listView2.Items.Insert(0,
- new ListViewItem(
- new string[]{
- eventType,
- keyCode,
- keyChar,
- shift,
- alt,
- control
- }));
-
- }
-
- private void TestForm_FormClosed(object sender, FormClosedEventArgs e)
- {
-
-
-
-
-
-
- }
-
-
- }
- }
-
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原文地址:https://www.cnblogs.com/gc2013/p/4036414.html
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