private static IntPtr HookCallback(
int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
{
int vkCode = Marshal.ReadInt32(lParam);
KeyController kc = new KeyController();
kc.KeyListenerCallback((Keys)vkCode);
}
return(CallNextHookEx(_hookID, nCode, wParam, lParam));
}