private void btnSetting_Click(object sender, EventArgs e) { var frmSetting = new FrmSetting(); frmSetting.Setting = backupSetting; frmSetting.ShowDialog(this); this.backupSetting = frmSetting.Setting; // 修改计划任务的时间 int index = backupSetting.BackupTime.IndexOf(":"); settingHour = Convert.ToInt32(backupSetting.BackupTime.Substring(0, index)); settingMinute = Convert.ToInt32(backupSetting.BackupTime.Substring(index + 1)); // 保存配置文件 File.WriteAllText(Program.ConfigFile, JsonHelp.ToJson(backupSetting)); }