Sample showing how to catch MotionBuilder window handle

mobu_HWND

char windowTitle[128];

HWND FindInParent(HWND wnd)
{
	if (wnd == nullptr)
		return nullptr;

	GetWindowText( wnd, windowTitle, 128 );

	if (strstr( windowTitle, "MotionBuilder" ) != nullptr )
	{
		return wnd;
	}

	return GetParent(wnd);
}

HWND GetMoBuHWND()
{
	HWND wnd = GetActiveWindow();
	return FindInParent(wnd);
}