I am using an activex control mscomm to control a serial
port in VB.NET. I place the control on the main form and
set its port, baud rate, etc. properties. After creating
a code module that needs to access the serial port, I
cannot seem to be able to access the mscomm control from
within a code module. In VB6 you could use the statement
frmMain.Mscomm1.output = "some data string" in the code
module but this won't work in VB.NET. Does anyone know
the correct syntax to send data to an mscomm activex
control located on a form from a code module?
Thanks for any help,
Barry
6  6535 
* "Barry Martin" <bm*******@att.net> scripsit: I am using an activex control mscomm to control a serial
port in VB.NET. I place the control on the main form and
set its port, baud rate, etc. properties. After creating
a code module that needs to access the serial port, I
cannot seem to be able to access the mscomm control from
within a code module. In VB6 you could use the statement
frmMain.Mscomm1.output = "some data string" in the code
module but this won't work in VB.NET. Does anyone know
the correct syntax to send data to an mscomm activex
control located on a form from a code module?
You need a reference to the control. Default instances of forms are
gone, that's why the code won't work. You will have to pass a reference
to the control to the module, for example in a public property of the
module or the parameter of a method defined in the module.
--
Herfried K. Wagner [MVP]
<http://www.mvps.org/dotnet>
Default instances will be back in the next version of VB.NET.
Not sure whether I really like that or not yet.
-Rob Teixeira [MVP]
"Herfried K. Wagner [MVP]" <hi***************@gmx.at> wrote in message
news:%2****************@TK2MSFTNGP09.phx.gbl... * "Barry Martin" <bm*******@att.net> scripsit: I am using an activex control mscomm to control a serial
port in VB.NET. I place the control on the main form and
set its port, baud rate, etc. properties. After creating
a code module that needs to access the serial port, I
cannot seem to be able to access the mscomm control from
within a code module. In VB6 you could use the statement
frmMain.Mscomm1.output = "some data string" in the code
module but this won't work in VB.NET. Does anyone know
the correct syntax to send data to an mscomm activex
control located on a form from a code module?
You need a reference to the control. Default instances of forms are
gone, that's why the code won't work. You will have to pass a reference
to the control to the module, for example in a public property of the
module or the parameter of a method defined in the module.
--
Herfried K. Wagner [MVP]
<http://www.mvps.org/dotnet>
* "Rob Teixeira [MVP]" <RobTeixeira@@msn.com> scripsit: Default instances will be back in the next version of VB.NET.
Not sure whether I really like that or not yet.
I am very happy about that... but it should be an "optional" feature.
--
Herfried K. Wagner [MVP]
<http://www.mvps.org/dotnet>
Hi,
This works fine. Just add the control to the Toolbox (use browse from
Customize Toolbox/COM components. Then, drop MSComm on your form. The IDE
will then create the wrapper DLLs that are required. After than, using
MSComm is quite like its use under VB6.
I have examples in my book, if you are interested (see below).
Dick
--
Richard Grier (Microsoft Visual Basic MVP)
See www.hardandsoftware.net for contact information.
Author of Visual Basic Programmer's Guide to Serial Communications, 3rd
Edition ISBN 1-890422-27-4 (391 pages) published February 2002.
I certainly do agree with that.
-Rob Teixeira [MVP]
"Herfried K. Wagner [MVP]" <hi***************@gmx.at> wrote in message
news:%2****************@TK2MSFTNGP09.phx.gbl... * "Rob Teixeira [MVP]" <RobTeixeira@@msn.com> scripsit: Default instances will be back in the next version of VB.NET.
Not sure whether I really like that or not yet.
I am very happy about that... but it should be an "optional" feature.
--
Herfried K. Wagner [MVP]
<http://www.mvps.org/dotnet>
Hi Dick,
Thanks for the detailed info. I will definitely check out
your book.
Thanks again
Barry -----Original Message-----
Hi,
This works fine. Just add the control to the Toolbox
(use browse fromCustomize Toolbox/COM components. Then, drop MSComm on
your form. The IDEwill then create the wrapper DLLs that are required.
After than, usingMSComm is quite like its use under VB6.
I have examples in my book, if you are interested (see
below).
Dick
--
Richard Grier (Microsoft Visual Basic MVP)
See www.hardandsoftware.net for contact information.
Author of Visual Basic Programmer's Guide to Serial
Communications, 3rdEdition ISBN 1-890422-27-4 (391 pages) published
February 2002.
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