void Start()
{
GameObject lobbyCanvasObj = MainCanvasManager.Instance.LobbyCanvas.gameObject;
if (lobbyCanvasObj == null)
{
return;
}
LobbyCanvas lobbyCanvas = lobbyCanvasObj.GetComponent <LobbyCanvas>();
Button button = GetComponent <Button>();
button.onClick.AddListener(() => lobbyCanvas.OnClick_JoinRoom(RoomNameText.text));
}