On Fri, 20 Jul 2018 19:33:19 +0200, Bo Berglund via Lazarus
<lazarus@lists.lazarus-ide.org> wrote:
I changed my code now so my recrd is instead an object:
type TMyRecord = Class(TObject)
checksum: word;
ssid: AnsiString;
passwd: AnsiString;
macaddr: AnsiString;
addr: TIpAddress;
baud: integer;
tcpport: word;
mode: byte;
channel: byte;
hidden: byte; // hidden (1) or visible (0)
fixedaddress: byte; //Station mode fixed addr instead of DHCP
numsensors: byte; //Number of active DHT sensors (0..3)
dhtinterval: word; // Interval between DHT sensor readings (min)
host: AnsiString;
end;
I also changed my function to create the JSON string:
function RecToJSON(RC: TMyrecord): string;
var
JS: TJSONStreamer;
begin
JS := TJSONStreamer.Create(NIL);
try
JS.Options := JS.Options + [jsoTStringsAsArray];
Result := JS.ObjectToJSONString(RC);
finally
JS.Free;
end;
end;
When I run this code in my existing application I can step into the
line
Result := JS.ObjectToJSONString(RC);
and hover the mouse over RC and it displays the correct values for all
fields of the object.
But when the line executes the result is a string with only this empty
content:
{}
Why is this?
What have I done wrong?
--
Bo Berglund
Developer in Sweden
--
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