String write/save in file

public static bool Save(this string text, string pathWithTXTFullfilename)
{
    try
    {
        //write string to file
        System.IO.File.WriteAllText(pathWithTXTFullfilename, text);
        return true;
    }
    catch (Exception)
    {
    }

    return false;
}

String str = "Hi...I am go to save in file";
bool isSaved = str.Save("D:\myfile.txt");