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| [DllImport("user32.dll")] private static extern IntPtr SetWindowsHookEx(HookType code, HookProc func, IntPtr hInstance, int threadID);
[DllImport("user32.dll")] private static extern int CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
private delegate int HookProc(int code, IntPtr wParam, IntPtr lParam); private HookProc myCallbackDelegate = null;
public enum HookType : int { WH_JOURNALRECORD = 0, WH_JOURNALPLAYBACK = 1, WH_KEYBOARD = 2, WH_GETMESSAGE = 3, WH_CALLWNDPROC = 4, WH_CBT = 5, WH_SYSMSGFILTER = 6, WH_MOUSE = 7, WH_HARDWARE = 8, WH_DEBUG = 9, WH_SHELL = 10, WH_FOREGROUNDIDLE = 11, WH_CALLWNDPROCRET = 12, WH_KEYBOARD_LL = 13, WH_MOUSE_LL = 14 }
public Form1() { InitializeComponent(); this.myCallbackDelegate = new HookProc(this.KeyPressed);
SetWindowsHookEx(HookType.WH_KEYBOARD, this.myCallbackDelegate, IntPtr.Zero, AppDomain.GetCurrentThreadId()); }
private int KeyPressed(int code, IntPtr wParam, IntPtr lParam) { if (code < 0) return CallNextHookEx(IntPtr.Zero, code, wParam, lParam); int i = wParam.ToInt32(); if (i >= 112 && i <= 123) { i -= 111; abspielen(i); } return CallNextHookEx(IntPtr.Zero, code, wParam, lParam); } |