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Just wondering if anyone has or has seen any large integer arithmetic classes out there. I have been reading about using a container like a list to store a number using large base and algorithms to calc +,-,*,/,mod, but I don't want to reinvent the wheel if there is something good out there...

I need to be able to create pdf's from Word or Excel sheets, and possibly other applications. I have seen pdf files in the Resources, but have no idea how to use them. Can anyone point me to a reference on this or tell me how to get started? Thanks very much, Chris

I need to write a VB.net program that can pull the html code of a website, make a change (i.e. username/password) and resubmit and get the site returned. I can get the html, but can anyone tell me how to resubmit the edited code and get the resulting page? Thanks, Chris

I have been using the following code to open a webpage - System.Diagnostics.Process.Start(URL) Can anyone tell me how to open a webpage that requires a username/password?

I have a little familiarity with WebClient and WebRequest. Can anyone tell me how I can use googles search from within my programs? or any resources for this? Thanks

I have a program that adds to the right-click menus by an entry in the registry. I just bought a new computer with Vista, and it doesn't work anymore. Even though I am the adminstrator, it won't let my program add an entry to the registry. Can anyone tell me how to accomplish this?

Hi Everyone, I need to be able to play a video file from a VB.net program. I just need to call the mpeg and have it play in the computer's default player. Can you tell me how to do this? Thanks, Chris

Hi everyone, I am trying to learn to access information from the web. What I want to do is be able to pull financial numbers, or do a google search. Can anyone tell me how to do this or point me in the right direction? Thanks, Chris

I am write a lot of VB.net programs using MS Access, but a lot of people don't like MS Access, and it is somewhat limited, so I am trying to learn to use MSSQL, actually, MSSQL Express. I have created a sample application, and it seems to work much like Access. My question is, what are the...

I have a quick question. I am importing a picture to use in a picturebox with the following code. Dim im As Image = Bitmap.FromFile("pic.jpg") PictureBox.Image = im Then, later in the program, I want to replace the file pic.jpg with another file, but I can not because the program is still...

I need to know how to download daily information from the web. I write a lot of database applications in VB.net, but have never written anything to download information from the web. I need to download the stats like open, high,low, and close from finance.yahoo.com. Can anyone tell me how to...

I need to have VB.net 2005 program to check the coa windows key. I use this for software licensing. In the past, I have had my programs show the user their processor ID, send to me, encrypt, and send back to them as a software key to unlock my program. I have found computers now without a...

Hi Everyone, I am not sure which forum this belongs in, but I have a question about accessing Excel from VB.net. I have done this many times, but I just wrote a program for a coworker, that among other things, accesses Excel two different times. I work in Excel 2002 or 2003, and my coworker...

Hi Everyone, I am writing a program that I want to copy-protect. I need to retrieve some kind of computer ID. I have read what I can on the net, but can not find a suitable solution. It does not need to be incredibly secure. The idea is that the program is not intended for advanced computer...

I have a datagridview for the user to enter data, and I need to format the cell after the user leaves, but I can not figure out how to catch the event. Selection change does not work if you tab from cell to cell. Cell Leave does not work for tabbing either. I have tried all the events that I...

I am writing a program to run on a public computer, and I don't want the user to be able to leave the program. I have been able to hide the taskbar, maximize the window, and disable the form closing. All that is left is keyboard shortcuts: Alt-Tab, Ctrl-Alt-Del, Windows Button, etc. Is there...

Can anyone tell me how to stop the user from exiting a program. I found the Application.AllowQuit property, but it is read-only. Is there a way to set this? Thanks, Chris

Hi everyone, I am writing a program on a tight deadline, and need print functionality. Someone was kind enough to point me to Microsoft's PrintForm Addin for VB.net, but I have a problem. PrintForm1 has no pagesettings object. If I go to PrinterSetting.defaultsetting.Margins, I can set...

I am formatting a string as currency as follows: AM.Text = Format(AM.Text, "Currency") Can anyone tell me a simple way to format this Euro (€1.000,00)?

I have several applications where I would like the user to fill in some information on a form, let the form calculate some values, and then print the form as is on screen. Is there any easy way to do this, or any way I can program to print any form from one function? Thanks, Chris