static IntPtr LowLevelKeyboardHookProc(int nCode, IntPtr wParam, IntPtr lParam)
{
var khs = (HookAPI.KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(HookAPI.KeyboardHookStruct));
if (nCode < 0)
{
return(HookAPI.CallNextHookEx(m_hHook, nCode, wParam, lParam));
}
else
{
if (mode == 1)
{
if ((khs.Flags & 128) != 0)
{
current_pressed = true;
}
GCHandle gch = GCHandle.Alloc(m_hHook);
return(HookAPI.CallNextHookEx(m_hHook, nCode, wParam, lParam));
}
else
{
if (mode == 2)
{
current_pressed = true;
}
IntPtr val = new IntPtr(1);
return(val);
}
}
}
static void Unhook()
{
HookAPI.UnhookWindowsHookEx(m_hHook);
gc_h.Free();
}
static void SetHook()
{
m_callback = new HookAPI.LowLevelKeyboardProcDelegate(LowLevelKeyboardHookProc);
gc_h = GCHandle.Alloc(m_callback);
m_hHook = HookAPI.SetWindowsHookEx(WH_KEYBOARD_LL, m_callback, HookAPI.GetModuleHandle(IntPtr.Zero), 0);
}