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vrf Multicasting using UDP in VEE

Question asked by VRFuser on Oct 5, 2004

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Last msg dropped attached, so try:
////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////
Set GroupAddress = CreateInstance("System", System.Net.Sockets.UdpClient");
Set GroupPort = 11000;
Set Sender = CreateInstance("System",System.Net.Sockets.UdpClient");
Set GroupEP =
CreateInstance("System","System.Net.IPEndPoint",GroupAddress,GroupPort);
Set Bytes =
CreateInsatnce("system","System.text.Encoding.Ascii.getBytes","---Place
message between quotes---");
//Check last line, I did not find the object within the list;
Sender.Send(Bytes,Bytes.length,groupEP)
////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////

Disclaimer, not tested

Rufus

-----Original Message-----
From: Shawn Fessenden [mailto:shawn@testech-ltd.com]
Sent: Wednesday, October 06, 2004 8:31 AM
To: VRF
Subject: [vrf] RE: Multicasting using UDP in VEE

> "Transaction I/O" implies connection oriented, I think? Therefore TCP
only?

Absolutely correct.

You'll need to use a different socket. I hear tons of good things about
Socket Wrench, an ActiveX control. If you have Visual Basic installed you
already have MS's Winsock ActiveX control. I'm sure there's provision for
accessing the Winsock API through the .NET framework too.
-SHAWN-

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4 Replies

VRFuser Oct 5, 2004 4:30 PM
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Correct Answer
> It could be possible to find the process ID of the external
> program and send it a "kill" event?

You have the right idea. The proper way to exit an application is to find
it's main window handle and send it a WM_CLOSE message. You can also use
TerminateProcess, but that is an emergency measure only. It's basically like
using the "End Process" button of the Task Manager.

Finding a main window handle is not difficult. There have been several
different solutions posted through the years. Search the archive for
BodyContains = FindWindow and you'll get a lot of hits.

If the application is stubborn and doesn't want to close, search the archive
for AttachmentName = KillExcel. Excel is notorious for not behaving properly
:). KillExcel is easy to modify for any process.
-SHAWN-

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VRFuser Oct 5, 2004 7:38 PM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META content="MSHTML 6.00.2800.1458" name=GENERATOR></HEAD><BODY><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>Hi VRF,</SPAN></FONT></DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004></SPAN></FONT> </DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>I have an application where I need to use UDP multicasting to send data over Ethernet.</SPAN></FONT></DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004></SPAN></FONT> </DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>From VEE's help system:</SPAN></FONT></DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004></SPAN></FONT> </DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>"To/From Socket</SPAN></FONT></DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>An object that uses sockets for I/O within networked computer systems.</SPAN></FONT></DIV><DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>Use:</SPAN></FONT></DIV><DIV><FONT face=Arial><FONT size=2><FONT><SPAN class=007242109-06102004>Sockets are tools for programmers who want to implement interprocess communication. To/From Socket uses transaction I/O.</SPAN></FONT>"</FONT></FONT></DIV><DIV><FONT face=Arial size=2></FONT> </DIV><DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>"Transaction I/O" implies connection oriented, I think? Therefore TCP only?</FONT></SPAN></DIV><DIV><SPAN class=007242109-06102004><FONT face=Arial size=2></FONT></SPAN> </DIV><DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>Has anyone ever attempted UDP communication using VEE?</FONT></SPAN></DIV><DIV><SPAN class=007242109-06102004><FONT face=Arial size=2></FONT></SPAN> </DIV><DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>Thanks,</FONT></SPAN></DIV><DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>Rich</FONT></SPAN></DIV>---<BR>You are currently subscribed to vrf as: rsb@soco.agilent.com<BR>To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".<BR>To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".<BR>To send messages to this mailing list, email "vrf@agilent.com". <BR>If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".</BODY></HTML>
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VRFuser Oct 5, 2004 10:09 PM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META content="MSHTML 5.50.4522.1800" name=GENERATOR></HEAD><BODY><DIV><SPAN class=081010612-06102004><FONT face=Arial color=#0000ff size=2>Richard</FONT></SPAN></DIV><DIV><SPAN class=081010612-06102004><FONT face=Arial color=#0000ff size=2>VEE sockets are tcp, I've successfully used socket wrench by catalyst for UDP (freeware)</FONT></SPAN></DIV><DIV><SPAN class=081010612-06102004><FONT face=Arial color=#0000ff size=2>Regards</FONT></SPAN></DIV><DIV><SPAN class=081010612-06102004><FONT face=Arial color=#0000ff size=2>Paul Rowan</FONT></SPAN></DIV><DIV><SPAN class=081010612-06102004><FONT face=Arial color=#0000ff size=2>BT Goonhilly</FONT></SPAN></DIV><DIV><SPAN class=081010612-06102004></SPAN> </DIV><BLOCKQUOTE> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Richard Wise [mailto:Richard.Wise@raymarine.com]<BR><B>Sent:</B> 06 October 2004 10:38<BR><B>To:</B> VRF<BR><B>Subject:</B> [vrf] Multicasting using UDP in VEE<BR><BR></FONT></DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>Hi VRF,</SPAN></FONT></DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004></SPAN></FONT> </DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>I have an application where I need to use UDP multicasting to send data over Ethernet.</SPAN></FONT></DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004></SPAN></FONT> </DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>From VEE's help system:</SPAN></FONT></DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004></SPAN></FONT> </DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>"To/From Socket</SPAN></FONT></DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>An object that uses sockets for I/O within networked computer systems.</SPAN></FONT></DIV> <DIV><FONT face=Arial size=2><SPAN class=007242109-06102004>Use:</SPAN></FONT></DIV> <DIV><FONT face=Arial><FONT size=2><FONT size=+0><SPAN class=007242109-06102004>Sockets are tools for programmers who want to implement interprocess communication. To/From Socket uses transaction I/O.</SPAN></FONT>"</FONT></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>"Transaction I/O" implies connection oriented, I think? Therefore TCP only?</FONT></SPAN></DIV> <DIV><SPAN class=007242109-06102004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>Has anyone ever attempted UDP communication using VEE?</FONT></SPAN></DIV> <DIV><SPAN class=007242109-06102004><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>Thanks,</FONT></SPAN></DIV> <DIV><SPAN class=007242109-06102004><FONT face=Arial size=2>Rich</FONT></SPAN></DIV>---<BR>You are currently subscribed to vrf as: paul.2.rowan@bt.com<BR>To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".<BR>To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".<BR>To send messages to this mailing list, email "vrf@agilent.com". <BR>If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com". </BLOCKQUOTE>---<BR>You are currently subscribed to vrf as: rsb@soco.agilent.com<BR>To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".<BR>To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".<BR>To send messages to this mailing list, email "vrf@agilent.com". <BR>If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".</BODY></HTML>
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VRFuser Oct 5, 2004 10:36 PM
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Correct Answer
Last msg dropped attached, so try:
////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////
Set GroupAddress = CreateInstance("System", System.Net.Sockets.UdpClient");
Set GroupPort = 11000;
Set Sender = CreateInstance("System",System.Net.Sockets.UdpClient");
Set GroupEP =
CreateInstance("System","System.Net.IPEndPoint",GroupAddress,GroupPort);
Set Bytes =
CreateInsatnce("system","System.text.Encoding.Ascii.getBytes","---Place
message between quotes---");
//Check last line, I did not find the object within the list;
Sender.Send(Bytes,Bytes.length,groupEP)
////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////

Disclaimer, not tested

Rufus

-----Original Message-----
From: Shawn Fessenden [mailto:shawn@testech-ltd.com]
Sent: Wednesday, October 06, 2004 8:31 AM
To: VRF
Subject: [vrf] RE: Multicasting using UDP in VEE

> "Transaction I/O" implies connection oriented, I think? Therefore TCP
only?

Absolutely correct.

You'll need to use a different socket. I hear tons of good things about
Socket Wrench, an ActiveX control. If you have Visual Basic installed you
already have MS's Winsock ActiveX control. I'm sure there's provision for
accessing the Winsock API through the .NET framework too.
-SHAWN-

---
You are currently subscribed to vrf as: rsb@soco.agilent.com
To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".
To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".
To send messages to this mailing list, email "vrf@agilent.com".
If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".
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vrf Multicasting using UDP in VEE

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