var
i:integer;
st:string;
st:=socket.RemoteAddress;
for i:=0 to StringGrid1.Rowcount-1 do
begin
if comparestr(st,StringGrid1.Rows[i].Text)=0 then
socket.Close;//把當前的鏈接斷開,並不是把所有鏈接斷開
break;
end;