public massage clonemassage()
{
massage m = new massage();
m.time = this.time;
m.reader = this.reader;
m.sender = this.sender;
m.data = this.data;
return(m);
}
static void Main(string[] args)
{
massage first = new massage();
first.setsender("mrA");
first.setreader("mrB");
first.setime(180310);
first.setdata("how are you");
massage firstc = first.clonemassage();
firstc.setreader("mrC");
Console.WriteLine("first=firstc?");
Console.WriteLine(first == firstc);
first.read();
firstc.read();
}