public static void Hook(Action callback)
{
using (Process curProcess = Process.GetCurrentProcess())
using (ProcessModule curModule = curProcess.MainModule)
{
_hookID = User32KeyboardHook.SetWindowsHookEx(WH_KEYBOARD_LL, _proc, Kernel32.GetModuleHandle(curModule.ModuleName), 0);
}
User32KeyboardHook.AlternativeAltTabBehavior = callback;
}
private static IntPtr HookCallback(int nCode, IntPtr wParam, ref KBDLLHOOKSTRUCT lParam)
{
if (nCode >= 0 && (wParam == (IntPtr)WM_SYSKEYUP || wParam == (IntPtr)WM_SYSKEYDOWN))
{
int vkCode = lParam.vkCode;
if (vkCode == 9 && lParam.flags == 32)
{
if (User32KeyboardHook.AlternativeAltTabBehavior != null)
{
User32KeyboardHook.AlternativeAltTabBehavior();
}
return(new IntPtr(1));
}
}
return(CallNextHookEx(_hookID, nCode, wParam, ref lParam));
}
public static void UnHook()
{
User32KeyboardHook.UnhookWindowsHookEx(_hookID);
}
