private static void RegisterCallBack(CallBack_1 callback)
{
if (CallBackList == null)
{
CallBackList = new List <CallBack_1>();
}
CallBackList.Add(callback);
}
private static void RemoveCallBack(CallBack_1 callback)
{
if (CallBackList == null)
{
CallBackList = new List <CallBack_1>();
}
CallBackList.Remove(callback);
}