实例介绍
【实例简介】设定规定时间自动锁屏和解屏
【实例截图】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 | using System;using System.Collections.Generic;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;using System.Reflection;using System.ComponentModel;namespace GeneralFramework{ public class MouseKeyHook { [StructLayout(LayoutKind.Sequential)] private class POINT { public int x; public int y; } [StructLayout(LayoutKind.Sequential)] private class MouseHookStruct { public POINT pt; public int hwnd; public int wHitTestCode; public int dwExtraInfo; } [StructLayout(LayoutKind.Sequential)] private class MouseLLHookStruct { public POINT pt; public int mouseData; public int flags; public int time; public int dwExtraInfo; } [StructLayout(LayoutKind.Sequential)] private class KeyboardHookStruct { public int vkCode; public int scanCode; public int flags; public int time; public int dwExtraInfo; } [DllImport("kernel32.dll")] static extern int GetCurrentThreadId(); //取得当前线程编号的API [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall, SetLastError = true)] private static extern int SetWindowsHookEx( int idHook, HookProc lpfn, IntPtr hMod, int dwThreadId); [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall, SetLastError = true)] private static extern int UnhookWindowsHookEx(int idHook); [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)] private static extern int CallNextHookEx( int idHook, int nCode, int wParam, IntPtr lParam); private delegate int HookProc(int nCode, int wParam, IntPtr lParam); [DllImport("user32")] private static extern int ToAscii( int uVirtKey, int uScanCode, byte[] lpbKeyState, byte[] lpwTransKey, int fuState); [DllImport("user32")] private static extern int GetKeyboardState(byte[] pbKeyState); [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)] private static extern short GetKeyState(int vKey); private const int WH_MOUSE_LL = 14; private const int WH_KEYBOARD_LL = 13; private const int WH_MOUSE = 7; private const int WH_KEYBOARD = 2; private const int WM_MOUSEMOVE = 0x200; private const int WM_LBUTTONDOWN = 0x201; private const int WM_RBUTTONDOWN = 0x204; private const int WM_MBUTTONDOWN = 0x207; private const int WM_LBUTTONUP = 0x202; private const int WM_RBUTTONUP = 0x205; private const int WM_MBUTTONUP = 0x208; private const int WM_LBUTTONDBLCLK = 0x203; private const int WM_RBUTTONDBLCLK = 0x206; private const int WM_MBUTTONDBLCLK = 0x209; private const int WM_MOUSEWHEEL = 0x020A; private const int WM_KEYDOWN = 0x100; private const int WM_KEYUP = 0x101; private const int WM_SYSKEYDOWN = 0x104; private const int WM_SYSKEYUP = 0x105; private const byte VK_SHIFT = 0x10; private const byte VK_CAPITAL = 0x14; private const byte VK_NUMLOCK = 0x90; public MouseKeyHook() { Start(); } public MouseKeyHook(bool InstallMouseHook, bool InstallKeyboardHook) { Start(InstallMouseHook, InstallKeyboardHook); } ~MouseKeyHook() { Stop(true, true, false); } public event MouseEventHandler OnMouseActivity; public event KeyEventHandler KeyDown; public event KeyPressEventHandler KeyPress; public event KeyEventHandler KeyUp; private int hMouseHook = 0; private int hKeyboardHook = 0; private static HookProc MouseHookProcedure; private static HookProc KeyboardHookProcedure; public void Start() { this.Start(true, true); } public void Start(bool InstallMouseHook, bool InstallKeyboardHook) { if (hMouseHook == 0 && InstallMouseHook) { MouseHookProcedure = new HookProc(MouseHookProc); hMouseHook = SetWindowsHookEx( WH_MOUSE, MouseHookProcedure, IntPtr.Zero, GetCurrentThreadId()); if (hMouseHook == 0) { int errorCode = Marshal.GetLastWin32Error(); Stop(true, false, false); //throw new Win32Exception(errorCode); } } if (hKeyboardHook == 0 && InstallKeyboardHook) { KeyboardHookProcedure = new HookProc(KeyboardHookProc); hKeyboardHook = SetWindowsHookEx( WH_KEYBOARD, KeyboardHookProcedure, IntPtr.Zero, GetCurrentThreadId()); if (hKeyboardHook == 0) { int errorCode = Marshal.GetLastWin32Error(); Stop(false, true, false); //throw new Win32Exception(errorCode); } } } public void Stop() { this.Stop(true, true, true); } public void Stop(bool UninstallMouseHook, bool UninstallKeyboardHook, bool ThrowExceptions) { if (hMouseHook != 0 && UninstallMouseHook) { int retMouse = UnhookWindowsHookEx(hMouseHook); hMouseHook = 0; if (retMouse == 0 && ThrowExceptions) { int errorCode = Marshal.GetLastWin32Error(); throw new Win32Exception(errorCode); } } if (hKeyboardHook != 0 && UninstallKeyboardHook) { int retKeyboard = UnhookWindowsHookEx(hKeyboardHook); hKeyboardHook = 0; if (retKeyboard == 0 && ThrowExceptions) { int errorCode = Marshal.GetLastWin32Error(); throw new Win32Exception(errorCode); } } } private int MouseHookProc(int nCode, int wParam, IntPtr lParam) { if ((nCode >= 0) && (OnMouseActivity != null)) { MouseLLHookStruct mouseHookStruct = (MouseLLHookStruct)Marshal.PtrToStructure(lParam, typeof(MouseLLHookStruct)); MouseButtons button = MouseButtons.None; short mouseDelta = 0; switch (wParam) { case WM_LBUTTONDOWN: button = MouseButtons.Left; break; case WM_RBUTTONDOWN: button = MouseButtons.Right; break; case WM_MOUSEWHEEL: mouseDelta = (short)((mouseHookStruct.mouseData >> 16) & 0xffff); break; } int clickCount = 0; if (button != MouseButtons.None) if (wParam == WM_LBUTTONDBLCLK || wParam == WM_RBUTTONDBLCLK) clickCount = 2; else clickCount = 1; MouseEventArgs e = new MouseEventArgs( button, clickCount, mouseHookStruct.pt.x, mouseHookStruct.pt.y, mouseDelta); OnMouseActivity(this, e); } return CallNextHookEx(hMouseHook, nCode, wParam, lParam); } private int KeyboardHookProc(int nCode, Int32 wParam, IntPtr lParam) { try { if (nCode < 0) { return CallNextHookEx(hMouseHook, nCode, wParam, lParam); } KeyDown(this, null); return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam); } catch (Exception ex) { Console.WriteLine(ex.Message); return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam); } } }} |
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