public FillBlankForm(int currentTopic, CampaignForm campaignForm) { InitializeComponent(); darkMode = ManageUserAction.GetDarkMode(); UpdateTheme(); this.currentTopic = currentTopic; this.campaignForm = campaignForm; this.KeyPreview = true; int res = ManageUserAction.UpdateMainFlashCard(currentTopic); if (res == 0) { result = 0; return; } InitQuiz(); InitAnswer(); ChangeFlashCard(questions[currentQuiz].GetFlashCard().Viet, questions[currentQuiz].GetFlashCard().IdCard); }