C# Auto Numeric Folder Creator With LINQ

FolderCreator.cs

private bool AutoFolderCreate(int incrementCount = 1)
{
    var targetPath = Directory.GetCurrentDirectory() + "\\Saves";

    if (Directory.Exists(targetPath))
    {
        var newDirName = Directory.EnumerateDirectories(targetPath) // list of sub directories in target
                            .Select(Path.GetFileName) // get directory/file name
                            .Where(n => n.All(Char.IsDigit)) // get only digits
                            .Select(int.Parse) // string parse to int
                            .Max() // get biggest number
                            + 1; // add 1

        if (!Directory.Exists($"{targetPath}\\{newDirName}"))
        {
            Directory.CreateDirectory($"{targetPath}\\{newDirName}");
            return true;
        }
    }

    return false;
}

Source