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Hi Standard, I have the same error message. How did you fixed it? Thank you.

Great. I mark this post resolved. Thanks.

Thank you for your help. Well I am not really good at this. The concerns about the updating with one click is that not all user have administrator right. So when the time of updating the software...

Well, for the update. It grows to multi-user application now. So it is better to put it in a network and can be updated once for all.:)

I just published the application.

Thanks Alex.

There is no "Shortcut" for this link in the startup menu. It is an application reference. Also I searched the local drive for applicationname.exe and could not find the exe file.

Hi,

When I instralled the application written with VB from the setup.exe file, it generated a link in the startup manu an it ran OK. However I can not find where is the program or the .exe file I...

Hi,

I am still very new to VB and pretty much learn by mistake kind. Now when I try to publish a program it gives signing error like this:



It happens to a company computer and who knows...

That is interesting. What do you think if I have the instrument reading parameters and perform other actions. The reading parameters is controlled by timer but action command is called by another...

OK, I am trying to use the system.timers.timer to call the reading parameter sub to read instrument response. Now for each call, does the program generate a new thread or only one thread associate...

Thank you all for your response. Pulling status and other operations are subs in the background thread. So I can still call those subs from the main thread anytime I want, right? I know the status...

Hello,

I have a background worker question. I am writing an application program that will pull several instruments' status every 250 ms. There are some other operations to the instruments from...

Yes, I only need the file in the ram drive during the time of program running. No need to save it permanently. The file is small to hold some instrument parameters.

Thanks for replying my question. I am working on a project that needs to read/write a file every second. Is a USB drive OK for this kind of use? Some people suggested ram drive.

Hi,

I need to use a virtual drive (ram disk) to save data temporeraly. Which ramdisk program is good to use. Any experience to share? Thanks.
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Thanks Matt. If you have a quick example, I would like to read it through so I can make it right when I use it.

Regards,

Thanks Matt.

One side question, how to get the version number of the application in the code?

Regards,

Quick question. After a program is deployed and distributed to users, what is the best way to have an update? New distribution or a patch? How to make a patch that only modifies some methods in a...

Hi,

I have a program developed on a machine with high display resolution. Now when I try to run it on a computer with low resolution, the screen got cut off. OK, is there a way to make the...

Hi Matt, I tested your code and found out it only display the horizontal gridlines. Also it does not display gridlines with items that are empty. Is it what you designed or I am using it...

Thanks Matt. I think I got it.

Thanks for replying me quickly.
I normally use listview by place it from the tool box. Then I add items,, etc. How can I make a listview from you code to the design screen? And then can I set...

Hello Matt,

Can you please describe how to use your code? A quick example of a listview and your class together would be a great help. I am still new in VB. Thank you.

Hi bmahler,

I see your answer is exactly what I was asked in my previous thread. At the end of my thread I listed the format of packet I need to build. I am not sure how to correctly add the two...

You can take a look of this one with one timer. Duratio of alarm is 2 minutes.


Public Class Form1
'three buttons, two textboxes, one label, and one radiobutton for visual
'timer...

Hi, how many variables and controls (i.e. text box, listview, buttons, etc) can a VB program has without slowing down its performance? Thanks.

:afrog:

OK, I changed declaration at the class level and it worked. Thanks.

Hi,

I have a sub that initiates an instance of a library.object. That instance makes a connection to an instrument. Now I need to close it or change properties/run method from another sub. How do...

Thanks Negative0,

You are right. I tryed to register the axcbmcomm libaray and failed due to no valid entry point. However, I registered the original ocx driver agian and the error message is...

The original ocx library was registered with regsvr32. The new library was generated by aximp.exe and is not registered yet. Should I run regsvr32 again on the new library (axcbmcomm) again?

Hi all,

OK, I guess nobody is going to answer my question :confused: in the post InvalidActiveXStateException error. By looking at MSDN I changed the following code and now I got a new error...

Hi, I am new to VB and is not a professional programmer anyway. Here I got an error message and don't know how to resolve it.

I am trying to use an AcitveX library and got error messages (I think...

Negative0, thanks for replying my question.
The error message is like "Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))". I guess it may caused by type not matching. I think...

Hi, I am working on a project that needs to using an activeX driver (libaray), a .ocx file. The driver have some properties and methods. I added the reference and have a new instance. When I try to...

Thanks and I searched the net and even played the code from the other thread from this forum. Now the question is since I need to communicate to an instrument, I only need a client program, right?...

Hi,

I am trying to set up a communication with an instrument using TCP/IP. I have the IP address and port number. How can I have my program send command and read the response? I am really new here...