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procedure Tform1.loginbuttonClick(Sender: TObject);
var rec1:iprec;
begin
clientsock.Port:=628;
clientsock.Host:='192.168.0.1';
clientsock.Active:=true;
clientsock.open;

end;

procedure Tform1.clientsockConnect(Sender: TObject;
  Socket: TCustomWinSocket);
var rec1:iprec;
begin
rec1.clientip:=ip;
rec1.clienthost:=host;
clientsock.Socket.SendBuf(rec1,sizeof(rec1));
end;					

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procedure Tform1.bsvcontrClick(Sender: TObject);
begin
if serversock.Active then
begin
        bsvcontr.caption:='Server ist offline';
        serversock.active:=false;
        serversock.socket.close;
end else begin
        bsvcontr.caption:='Server ist online';
        serversock.Port:=628;
        serversock.active:=true;
        serversock.Open;

end;
end;

procedure Tform1.serversockClientWrite(Sender: TObject;
  Socket: TCustomWinSocket);
  var rec1:iprec;
  z:integer;
  begin
  serversock.Socket.ReceiveBuf(rec1,sizeof(rec1));
  z:=1;
  //serversock.socket.ActiveConnections;
  stringgrid.cells[z,1]:=rec1.clientip;
  stringgrid.cells[z,2]:=rec1.clienthost;
end;					

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  type
  iprec = Packed Record
  clientip:string[100];
  clienthost:string[100];
  end;					

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 Socket.SendBuf(rec1,sizeof(rec1));