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General .NET For general discussion of MICROSOFT .NET topics that don't fall within any of the other .NET forum subcategories or .NET language forums.  If your question is specific to a language (C# or Visual Basic) or type of application (Windows Forms or ASP.Net) try an applicable forum category. ** PLEASE BE SPECIFIC WITH YOUR QUESTION ** When posting here, provide details regarding the Microsoft .NET language you are using and/or what type of application (Windows/Web Forms, etc) you are working in, if applicable to the question. This will help others answer the question without having to ask.
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Old May 31st, 2006, 11:29 PM
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Default Why VB.NET Don't have MSComm Control

Where i can add MSComm in VB.NET.
I want to interface computer with other devices.
Use modbus protocol.


Port programming, RS232 , Serial port
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Old June 13th, 2006, 08:14 AM
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Send a message via MSN to ashu_from_india Send a message via Yahoo to ashu_from_india

u can use 3rd party tools
search in Google

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Old June 17th, 2006, 12:53 AM
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my friend..... you can find MSComm contorl... in this way...

1. choose project menu and open References
2. Choose COM Tab
3. Find Microsoft Comm Control
4. Add it in project
5. Press Ok...

I hope it would help...

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Old September 24th, 2006, 11:17 AM
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Thank you. for all comment.

Serial Port Programming, RS232, ModBus
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Old December 26th, 2015, 03:15 AM
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Unhappy SerialPort problem in vb.net

Hello all :

I'm using vb.net SerialPort for controlling an external device, sending/receiving data to/from. The problem is that on DataReceived routine, sometimes there's no data to be read or there are more than a byte to read.

It's very critical for me to process every single byte receiving from serial port.

And if DataReceived routine is invoked, I assume that there must be a byte to read, but there may be .BytesToRead=0 in routine!

Searching in WEB, it's said that .net has problem in serial port !

Any suggestion for coping with this problem?

thanks in advance
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