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how can i connect serial port COM1 and COM2 Messages   Related Types This message was discovered on microsoft.public.dotnet.framework.sdk. Responses highlighted in red are from those people who are likely to be able to contribute good, authoratitive information to this discussion. They include Microsoft employees, MVP's and others who IMHO contribute well to these kinds of discussions. Post a new message to this list... Hakan OTAL i use vb.net 2003 Arth. and i want to send some text to the Com PORT How can i do this Thanks for your help. Reply to this message... Vote that this is a GOOD answer...   Auto-following on Twitter Ubuntu and XP on one “desktop”        Thomas Scheidegger [MVP] (VIP) Hi Hakan My Serial Port FAQ: ..NET 1.0/1.1 has no support for legacy ports (COM/LPT). There are plans to add support for serial ports in a future version: http://groups.google.com/groups?&selm=O%23vQLn9bCHA.392%40tkmsftngp09 "this sample is very similar to what we will be adding" : http://www.gotdotnet.com/community/usersamples/Default.aspx?query=SerialPort (note, project built with beta VS.NET, read gotdotnet comment) Future Directions for Visual C# http://msdn.microsoft.com/chats/vstudio/vstudio_032103.asp "We will add support for Serial ports to the framework..." Longhorn Preview with SerialPort class: http://longhorn.msdn.microsoft.com/lhsdk/ref/system.io.ports.aspx (should already be in Whidbey 2004) With 1.0/1.1 you have to use PInvoke or Interop : First understand the Win32 API as described here (C++): http://msdn.microsoft.com/library/en-us/dnfiles/html/msdn_serial.asp MSDN article for .NET (mostly C#): http://msdn.microsoft.com/msdnmag/issues/02/10/NETSerialComm/ PInvoke samples for C#: http://www.gotdotnet.com/community/usersamples/Default.aspx?query=SerialPort http://msdn.microsoft.com/msdnmag/issues/02/10/NETSerialComm/ http://www.gotdotnet.com/community/usersamples/Default.aspx?query=SerialStream http://www.gotdotnet.com/Community/UserSamples/Details.aspx?SampleGuid=5a96c071-e9e8-47c4-bb9e-5413384f0c25 or for VB.NET: http://support.microsoft.com/?kbid=823179 http://msdn.microsoft.com/library/en-us/dnvssamp/html/vbcs_usingthecomportinvbnet.asp http://www.gotdotnet.com/community/usersamples/Default.aspx?query=rs232 http://www.mentalis.org/classlib/class.php?id=15 http://www.corradocavalli.cjb.net/ or you can use the "Managed Extensions for C++" and write wrappers. http://msdn.microsoft.com/library/en-us/vcmex/html/vcconMCOverview.asp http://www.gotdotnet.com/team/cplusplus/ http://msdn.microsoft.com/library/en-us/dncscol/html/csharp12192002.asp on your VS.NET path: ...\VC7\managedextensionsspec.doc ...\VC7\migration_guide.doc MC++ Sample: http://www.codeproject.com/managedcpp/howtocomport.asp or reusing the VB6 MSComm ActiveX is easy, but it has some 'problems' (license) http://support.microsoft.com/?kbid=318597 http://www.devhood.com/tutorials/tutorial_details.aspx?tutorial_id=320 http://ourworld.compuserve.com/homepages/richard_grier/NETCommOCX.htm commercial: http://www.sax.net/dotnet/communications/ (Community edition in : http://msdn.microsoft.com/vbasic/vbrkit/) http://www.winsoft.sk/ncomport.htm for the Compact Framework (Windows CE) http://www.microsoft.com/downloads/details.aspx?FamilyID=206645de-63ba-4e49-b9a3-2d3b9cef4aa5 http://ourworld.compuserve.com/homepages/richard_grier/CFSerial.htm for Interop, use newsgroup: microsoft.public.dotnet.framework.interop -- Thomas Scheidegger - MVP .NET - 'NETMaster' http://www.cetus-links.org/oo_dotnet.html - http://dnetmaster.net/ Reply to this message... Vote that this is a GOOD answer...          Hakan OTAL Thanks Thomas... "Thomas Scheidegger [MVP]" <Click here to reveal e-mail address> wrote in message news:u%Click here to reveal e-mail address... [Original message clipped] Reply to this message... Vote that this is a GOOD answer...       Ad BootFX Reliable and powerful .NET application framework. Recession Busting Bespoke Software Get through the recession by investing in bespoke software to decrease costs and create commercial opportunities. Other DN247 Network Sites .NET 247 SQL Server Wins Old Skool Developer

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