public static Chat FromChatString(string item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (!item.StartsWith("Chat:"))
{
throw new ArgumentException("item");
}
try
{
using (Stream stream = OutoposConverter.FromBase64String(item.Remove(0, "Chat:".Length)))
{
return(OutoposConverter.FromStream <Chat>(stream));
}
}
catch (Exception)
{
throw new FormatException();
}
}
