You can use FileOpen, FileWrite, FileClose with the com port. For FileOpen, pass '. COM##' for the filename where ## is the com port number. Many users said the compiler, which lets users deploy faster executable programs, makes this upgrade a big step and keeps PowerBuilder in the increasingly tight race for fourth-generation. The root cause of this problem is that virtually every modem made today uses, or emulates, a serial port standard called RS-232.

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Well, the normal fileread and filewrite work, but have some real limitations. First, they work differently for different hardware.

So, what works for COM1 with on motherboard UART may or may not work with smart ports (DigiBoard, EdgePort, USB based port cables, etc). For a 'write only' solution you can get by with fileopen, filewrite, fileclose and use the applet in the control panel to set port parameters. This 'could' work for read also, but read will generally throw characters away if the application does not keep up with the import data and will hang on receive if no data is present and flow control allows the open to complete. You can find several OCX controls that will allow a reasonsable serial interface or write your own c/c++ dll that has spawns a thread to read from the port to fill a buffer and PB calls to read from the buffer. There are also easy calls to set port parameters and flow control. Nadodikattu Movie Songs there. Examine the signals etc. In the same vane, I suspect that it would be easy to use some of the.net framework calls and deploy as a winform.

'Vipul' wrote in message news:480cd91f@forums-1-dub. Jason 'Bug' Fenter [TeamSybase] 21.04.08 12:21. Tyler Cruse wrote: >Well, the normal fileread and filewrite work, but have some real >limitations. First, they work differently for different hardware.

So, >what works for COM1 with on motherboard UART may or may not work with >smart ports (DigiBoard, EdgePort, USB based port cables, etc). I have used FileRead with the EdgePort, but on XP and not on Vista. On XP, though, it works well. >For a 'write only' solution you can get by with fileopen, filewrite, >fileclose and use the applet in the control panel to set port >parameters. This 'could' work for read also, but read will generally >throw characters away if the application does not keep up with the >import data and will hang on receive if no data is present and flow >control allows the open to complete.

I'm working on a wrapper for this. The wrapper spawns a thread that polls the port for data. A 100 millisecond polling interval seems to be working well and my implementation doesn't experience any data loss. The only thing keeping me from posting this on CodeXchange or as a PBDJ article is that it crashes if you destroy the object in the middle of a poll. (You can stop the polling, then destroy the object with no problems.) >You can find several OCX controls that will allow a reasonsable serial >interface or write your own c/c++ dll that has spawns a thread to read >from the port to fill a buffer and PB calls to read from the buffer.

>There are also easy calls to set port parameters and flow control. >Examine the signals etc. >>In the same vane, I suspect that it would be easy to use some of the >.net framework calls and deploy as a winform.

I haven't looked very deeply, yet, but at a first glance, I didn't see any framework components for communicating with an RS232 port. If someone else finds something, please let me know. I'd like to move from Win32 API to.NET if I could. >'Vipul' wrote in message >news:480cd91f@forums-1-dub. >>Do you know if it works on Vista? >>>>>>'Jim O'Neil [Sybase]' wrote in message >>news:vrmte3t2lkn8bg5tsl82nfdbst1tp9vs0j@4ax.com. >>>I've used IO Control ActiveX from JSPayne for several years, from PB5 >>>through 9 with success. Download Free 3d Qsar Software Piracy.

>>>>>>On 17 Sep 2007 12:11:10 -0700, 'christian' >>>wrote: >>>>>>>I am working on a project right now which requires me to read from a >>>>serial >>>>port and write to a file however I dont believe that the >>>>PowerBuilder API >>>>has any functions for this type of communication I just wanted to >>>>know if >>>>anyone has any suggestions or exprience using powerbuilder with >>>>serial port >>>>communication. Or does anyone know of any third party tools that >>>>might offer >>>>this functionality for PowerBuilder. >>>fisher 21.04.08 12:53.