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how to get the udpsocket's OnReceive event?

 
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Paul Nicholls
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PostPosted: Tue Jan 13, 2004 3:46 am    Post subject: Re: how to get the udpsocket's OnReceive event? Reply with quote



Does TUDPSocket have a bind method?
If so I think you have to call this before sending the data...

UdpSocket1.Bind(...);
UdpSocket1.Sendln('adfsdf'#10#13);

I could be wrong though <G>

"ari" <aiirii (AT) 163 (DOT) net> wrote

Quote:
hi all,
I have setted the udpsocket's blockMode to bmNonBlocking, but still can't
fire the OnReceive event, please tell me why!

one's is:

object UdpSocket1: TUdpSocket
BlockMode = bmNonBlocking
LocalHost = '127.0.0.1'
LocalPort = '2335'
RemoteHost = '127.0.0.1'
RemotePort = '2400'
OnCreateHandle = UdpSocket1CreateHandle
OnConnect = UdpSocket1Connect
OnDisconnect = UdpSocket1Disconnect
OnReceive = UdpSocket1Receive
OnError = UdpSocket1Error
end

other is:
object UdpSocket1: TUdpSocket
BlockMode = bmNonBlocking
LocalHost = '127.0.0.1'
LocalPort = '2400'
RemoteHost = '127.0.0.1'
RemotePort = '2335'
OnConnect = UdpSocket1Connect
OnDisconnect = UdpSocket1Disconnect
OnSend = UdpSocket1Send
OnError = UdpSocket1Error
end

procedure TForm1.Button1Click(Sender: TObject);
begin
UdpSocket1.Sendln('adfsdf'#10#13);
end


regards,
Ari





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ari
Guest





PostPosted: Tue Jan 13, 2004 3:46 am    Post subject: how to get the udpsocket's OnReceive event? Reply with quote



hi all,
I have setted the udpsocket's blockMode to bmNonBlocking, but still can't
fire the OnReceive event, please tell me why!

one's is:

object UdpSocket1: TUdpSocket
BlockMode = bmNonBlocking
LocalHost = '127.0.0.1'
LocalPort = '2335'
RemoteHost = '127.0.0.1'
RemotePort = '2400'
OnCreateHandle = UdpSocket1CreateHandle
OnConnect = UdpSocket1Connect
OnDisconnect = UdpSocket1Disconnect
OnReceive = UdpSocket1Receive
OnError = UdpSocket1Error
end

other is:
object UdpSocket1: TUdpSocket
BlockMode = bmNonBlocking
LocalHost = '127.0.0.1'
LocalPort = '2400'
RemoteHost = '127.0.0.1'
RemotePort = '2335'
OnConnect = UdpSocket1Connect
OnDisconnect = UdpSocket1Disconnect
OnSend = UdpSocket1Send
OnError = UdpSocket1Error
end

procedure TForm1.Button1Click(Sender: TObject);
begin
UdpSocket1.Sendln('adfsdf'#10#13);
end


regards,
Ari


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ari
Guest





PostPosted: Tue Jan 13, 2004 4:38 am    Post subject: Re: how to get the udpsocket's OnReceive event? Reply with quote



to Paul,
I can't find UdpSocket1.Bind!

regards,
Ari
"Paul Nicholls" <paul-nicholls (AT) hotmail (DOT) com> 在郵件
news:400369f2$1 (AT) newsgroups (DOT) borland.com 中撰寫...
Quote:
Does TUDPSocket have a bind method?
If so I think you have to call this before sending the data...

UdpSocket1.Bind(...);
UdpSocket1.Sendln('adfsdf'#10#13);

I could be wrong though



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Paul Nicholls
Guest





PostPosted: Tue Jan 13, 2004 4:41 am    Post subject: Re: how to get the udpsocket's OnReceive event? Reply with quote

<G> Well I did ask the question 'Does TUDPSocket have a bind method?'

I don't know the component so that is why I asked...<G>

Sorry, I can't help you then :-)

"ari" <aiirii (AT) 163 (DOT) net> wrote

Quote:
to Paul,
I can't find UdpSocket1.Bind!

regards,
Ari
"Paul Nicholls" <paul-nicholls (AT) hotmail (DOT) com> 在郵件
news:400369f2$1 (AT) newsgroups (DOT) borland.com 中撰寫...
Does TUDPSocket have a bind method?
If so I think you have to call this before sending the data...

UdpSocket1.Bind(...);
UdpSocket1.Sendln('adfsdf'#10#13);

I could be wrong though




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Antti Arola
Guest





PostPosted: Sat Jan 24, 2004 8:09 pm    Post subject: Re: how to get the udpsocket's OnReceive event? Reply with quote

ari <aiirii (AT) 163 (DOT) net> kirjoitti Tue, 13 Jan 2004 11:46:53 +0800:

Quote:
hi all,
I have setted the udpsocket's blockMode to bmNonBlocking, but still can't
fire the OnReceive event, please tell me why!



I have the same problem, and the cause seems to be that LocalPort property
does nothing in the component.
UdpSocket always goes to a dynamically allocated local port, and it
doesn't reflect the LocalPort contents in any way.

Does somebody have a fix?

antti

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