internal static void IsValidFileName(string s, string parameterName, string message)
{
Debug.Assert(!string.IsNullOrEmpty(parameterName), "parameter name is missing");
if (!FileInfoExt.IsValidFileName(s))
{
throw new ArgumentException(parameterName, message);
}
}
internal static void IsValidFileName(string s, string parameterName)
{
Debug.Assert(!string.IsNullOrEmpty(parameterName), "parameter name is missing");
if (!FileInfoExt.IsValidFileName(s))
{
var illegalCahrs = FileInfoExt.InvalidFileNameChars.Where(c => s.IndexOf(c) != -1).ToArray();
var illegals = string.Join(", ", illegalCahrs.Select(x => $"'{x}'"));
var message = $@"{s} is not a valid filename. Contains: {{{illegals}}}";
IsValidFileName(s, parameterName, message);
}
}