gering

private static string[] _persistentDataPaths;

public static bool IsDirectoryWritable(string path) {
	try {
		if (!Directory.Exists(path)) return false;
		string file = Path.Combine(path, Path.GetRandomFileName());
		using (FileStream fs = File.Create(file, 1)) {}
		File.Delete(file);
		return true;
	} catch {