gistfile1.cs

public static async Task<BackupResultHelper> StartBackup(List<Item> items, BackupType backupType, bool backupEnabled, 
int interval = 0, DirectoryInfo targetDi = null, FileInfo targetFile = null) {
    
    List<Item> itemsToBackup = ModifyItemPaths(items);
    
    //Check for problems with parameters
    if (!items.Any() && backupType == BackupType.Autobackup && backupEnabled)
        return HandleBackupResult(true, false, "Autobackup Disabled", backupType,
            DateTime.Now.ToString(Culture));
    if (!items.Any())
        return HandleBackupResult(false, false, "No items selected.", backupType,
            DateTime.Now.ToString(Culture));


    switch (backupType) {                  
        case BackupType.ToZip:
           return await BackupToZip.BackupAndZip(itemsToBackup, targetFile);
        case BackupType.ToFolder:
            return BackupToFolder.BackupSaves(itemsToBackup, targetDi);
        case BackupType.Autobackup:
            return BackupAuto.ToggleAutoBackup(itemsToBackup, backupEnabled, interval, targetDi);
    }

    return ErrorResultHelper;
}