Hi, Hopefully this is a pretty basic question. I need to perform serial IO using VB.Net (VS2005/Framework 2.0) but the devices I communicate with can be either RS-232 or 422/485. Is this a concern to me as the programmer, i.e. does the UART or whatever handles the electrical side of things ...more >>

Hi.. I am developing an application that connect to database on the other side of the net. And each time i want to connect to database and run some sql command, i want my user to know that there is some process is runing. My idea is to show animated gif until the process is done. My question i...more >>

I have problem with arraylist the object i get from the array is always the last i'll give example: Public Class Form1 Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim array As New ArrayList Dim classs As New Class1 Dim i As Integer ...more >>

Hello, Is there a way to determine in which language the Framework is installed on the PC? In order to get values from the errorstrings (e.g. the linenumber on which the error occured), I want to pick data from the errormessages. Many thanks and greetings, Michel ...more >>

Hi, i would like to have an explanation about this: This works, but i get the message in code-behind: access of shared member,... or nested type through an instance; qualifying expression will not be evaluated. Dim cl As System.Drawing.Color Label1.ForeColor = cl.FromName(DropDownList1.Se...more >>

How I can put some description in Properties and functions of a classes ? I want when I create an instance of this class to see them exactly how VB.Net is doing ?For example for each parameter of a function to see a description, for each property a description of what is returning . Regards, ...more >>

I'm looking at using Using to try an plug a suspected memory leak. I've already started using dispose for everything that implements it but no luck. I have several questions about Using Can I nest using? I take it using only applies to resources that it was given as parameters and will...more >>

I m trying to use the printer.print command in my application, but it doesn 't work It seems to be that my application not recognize de printer object. I don t know what i doing wrong, in most forums says it easy, y follow the steps but it is the same. Thanks for your help ...more >>

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I would like a assign a Function key (F8, for example) to invoke a button control click Please help! Thanks Bill ...more >>

Refresh says: -Forces the control to invalidate its client area and immediately redraw itself and any child controls. Not the Menu for example? While Invalidate() says: -Invalidates the entire surface of the control and causes the control to be redrawn. Does "the entire surface" mean mo...more >>

I am working on a project where I get a XML datastream back from an application API which may contain a particular value that may be emty. An example of this can be seen below <?xml version="1.0" encoding="iso-8859-1" ?> - <NamedProfileList> - <NamedProfile> <ProfileID>115280</ProfileID...more >>

RichTextBox.Text = string & vbCR works but if I extract a substring with microsoft.visualbasic.left then vbCR stops working. I can do F5 executes with/without the Left and the vbCr does/doesNot work. Comment?...more >>

Hi, I am using VB 2003 - MsSQL My Appl. needs data from PDF file (PDF shows inf. in columnar format) How to get data from PDF & store in SQL table, so that appl. can use it for further process? Conversion has to be done externally or is it possible within appl. ? don't have any idea? Please,ad...more >>

HI when i draw some graphics object in vb.net it's will be draw at my windows form. so how i can draw my graphics object at out of form border. (at my desktop) thnks ...more >>

Hi group, I want to compare path strings in order to sort them, assuming I have got: "a.txt" "dir1\c.txt" "e.txt" "dir1\d.txt" When I compare them using > "e.text" would be greater than "dir1\c.txt" But I would like them to be sorted as followed "a.txt" "e.txt" "dir1\c.txt" "dir1\d.tx...more >>

Hi I've run some binary tree c# code on various on-line converters. The code compiles fine in c# but raises a few issues in vb.net. This is all pretty new to me, so if this is obvious pls excuse me, but I wonder if someone could explain why vb complains, and possible work rounds. Thanks ...more >>

Please view the Blog about Adding a UAC Manifest to Managed Code http://blogs.msdn.com/shawnfa/archive/2006/04/06/568563.aspx How to create the VB.NET's manifest resource? could anyone tell the details? Thank you very much ...more >>