void RefreshFormulaChoose() { var manu = UIUtility.SafeGetComponent <CanvasGroup>(m_page.ManuContent); var choose = UIUtility.SafeGetComponent <CanvasGroup>(m_page.FormulaChooseBtn.transform); if (isfirstChoose) { UIUtility.ActiveCanvasGroup(manu, false); m_page.FormulaChange.gameObject.SetActive(false); UIUtility.ActiveCanvasGroup(choose, true); } else { UIUtility.ActiveCanvasGroup(manu, true); m_page.FormulaChange.gameObject.SetActive(true); UIUtility.ActiveCanvasGroup(choose, false); } }