private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
//regular keys
if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
{
int vkCode = Marshal.ReadInt32(lParam);
KeyHandler.ChangeKey(((Keys)vkCode).ToString(), true);
}
if (nCode >= 0 && wParam == (IntPtr)WM_KEYUP)
{
int vkCode = Marshal.ReadInt32(lParam);
KeyHandler.ChangeKey(((Keys)vkCode).ToString(), false);
}
//alt key
if (nCode >= 0 && wParam == (IntPtr)WM_SYSKEYDOWN)
{
int vkCode = Marshal.ReadInt32(lParam);
KeyHandler.ChangeKey(((Keys)vkCode).ToString(), true);
}
if (nCode >= 0 && wParam == (IntPtr)WM_SYSKEYUP)
{
int vkCode = Marshal.ReadInt32(lParam);
KeyHandler.ChangeKey(((Keys)vkCode).ToString(), false);
}
return(CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}