procedure TForm1.Button2Click(Sender: TObject);
const
TIMEOUT=60000;
type
TRec=packed record //数据包格式
cmd: integer;
dat: array[0..100] of char;
end;
var
Stream: TWinSocketStream;
rec: TRec;
begin
if not tcp.Active then exit;
Stream:=TWinSocketStream.Create(tcp.Socket,TIMEOUT);
try
rec.cmd:=1;
Stream.Write(rec,SizeOf(rec));
if Stream.WaitForData(TIMEOUT) then begin
Stream.Read(rec,SizeOf(rec));
memoClt.Lines.Add(format('收到返回:[命令号=%1d,数据=%1s]',[rec.cmd,rec.dat]));
end;
finally
Stream.Free;
end;
end;
const
TIMEOUT=60000;
type
TRec=packed record //数据包格式
cmd: integer;
dat: array[0..100] of char;
end;
var
Stream: TWinSocketStream;
rec: TRec;
begin
if not tcp.Active then exit;
Stream:=TWinSocketStream.Create(tcp.Socket,TIMEOUT);
try
rec.cmd:=1;
Stream.Write(rec,SizeOf(rec));
if Stream.WaitForData(TIMEOUT) then begin
Stream.Read(rec,SizeOf(rec));
memoClt.Lines.Add(format('收到返回:[命令号=%1d,数据=%1s]',[rec.cmd,rec.dat]));
end;
finally
Stream.Free;
end;
end;
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