This is the first time I have tried to use multiple threads in an application so I hope someone can help me. I am using a second thread to do some work but I need to be able to cancel the thread at any time. I have implemented the thread as below. The problem I have is that usually when I call t...more >>

Hi All.. I have written an application that clients of ours use at their business. The application checks our main FTP server for new reports and then downloads them. The download process also downloads NEW versions of the executable they are running. What I want to do is have the program t...more >>

I need a loginscreen, that will show a progressbar that changes values based on a method in the main application (loading data from database) how would i do this? (i guess i need threading for this) the main application shouldn't be accessible when the login password hasn't been entered c...more >>

Dear friends I have a large string with the character "*" spread randomly in the string. My goal is to search the string for the character "*" and retrieve the string with these removed. How is the best way to achieve this? Regards Able ...more >>

Does anyone know how to dynamically allocate array of structures? Or where Ican find info on this on the web? John...more >>

Hi Gang, I'm trying to find an ASP 3.0 newsgroup at News.Microsoft.com does anyone know what that might be? Thanks in Advance, Christian Blackburn ...more >>

Hi all, I have an application that needs to print numerous documents of different styles (either to the printer or print preview dialog). I have selected which document type to print by using a select statement in the the PrintDocument.PrintPage event handler. This appears to work...more >>

hi. i want to destroy the application when i catch some exception. i have multithread app. how can i destroy the application and exit immedietly ? ...more >>

In VB 6 I could show a new form like this: Form2.show how is this possible in VB.NET? Thanks a lot ...more >>

Hello, I have a webform that gets a record from SQL Server by using a stored procedure. The stored procedure uses 3 parameters in which after the record is found, stored procedure #2 runs to update one of the columns called Status from "incomplete" to "Pending" Status is one of the paramete...more >>

Subject pretty much says it. I'm testing my Collection to check and see if an item has already been added, thus avoiding duplicates. I don't even know what value to check it against... some sort of Null I'd guess. I tried IsNothing(MyCollection("key") but I get the following error: System.Argu...more >>

What is the correct way to stop a thread? abort? sleep? Will it start up again... Just curious... If the thread is enabling a form, if the form is disposed is the thread as well? Thanks, Anthony Nystrom ...more >>

I'm new to VB .NET and have yet to get my hands on the software. Currently I am working on developing an APP for digital camera inspection system. I have experiance with C++ and some VB. Can someone point me in the right direction as to good tutorial site for VB .NET. Also, if anybody has any info o...more >>

Hi Some vb6 code have some errors(Wave line) in vb.net, i refers to "Shell Extension Interfaces v1.21" The code Implements IContextMenu Implements IShellExtInit Thanks ...more >>

I am running VB.Net Standard Edition - can't create a solution or project (or anything else for that matter) that uses SQLServer, except for the Desktop Edition. I get an error message stating as such (or Access).. can't locate any easy to read charts on MSDN that would point me to the right ver...more >>

I have column of data that have elapsed time in minutes. For example: 1:15 1:47 23:12 I like to be able to use sql server to do simple math functions. Does anyone have a simple function/formula that will convert into a decimal minutes form? EG: 1:30 should equal 1.5 minutes T...more >>

Hi, I am receiving an exception each time I open one of my projects in VB.net. I do not have to run it, I just open the project and a Message box pops up with the message: TypeInitializationException: The type initializer for "MyProjectName.Module" threw an exception. This message box reop...more >>

Hi Does anyone know how to execute a program on an AS400 from Visual Basic? I have no problem inserting data into the tables (files) on the as400, but I need to execute a program on there to process the data. (I can't use triggers either) The command I need to execute on the as400 is ...more >>

I have several context menus added to my form. The form is displaying items in listviews connected to the context menus. When I click on an item in a list view, a popup context menu shows allowing me to chese between editing or deleting the item from the list view. That works fine. However...more >>

Hello, I've written a windows service that runs on a server, every 24 hrs it generated a ton of files, sometimes in the neighborhood of 3-5,000. When there are that many files to generate, the script seems to stop running after 10 minutes, I see the dates on the files generated range by 10 mi...more >>

When would it be appropriate to call this: Anytime, specifuc events? When is smart when is not... Also, can someone give me a complete example of doing this in vb.net? Please define the hprocess and IntPtr proc and int min and int max.... Say my app runs in an instance named appnew, what would b...more >>

Dear Group I'm having a very weird problem. Any hints are greatly appreciated. I'm returning two values from a MS SQL Server 2000 stored procedure to my Webapplication and store them in sessions. Like This: prm4 = cmd1.CreateParameter With prm4 ..ParameterName = "@Sec_ProgUser_Gen" ..S...more >>

I want to copy 1-D arrays to columns of a 2-D array. Is there a way of doing that without using a loop that will copy element by element?...more >>

I have the following loop: Dim objPanel As Panel For Each objPanel In Me.Controls 'do something here Next I receive an error when my loop encounters a control that is not a Panel control. I only want to perform actions on the Panel controls on my form and skip any other t...more >>

Hi All, I want to cleanly convert a boolean value to a bit value (1 or 0) in vb.net. I can: Math.Abs(CInt(bolValue)) or: cint(bolValue) * -1 However, I wondered if there was a built-in method. Thanks Alex ...more >>

I am wanting to be able to take a templated sound file and superimpose other sound files overtop of it. If anyone has any idea's I would appreciate it. ...more >>

I would like to compile a class I have built to a library. I use the following command line: vbc /reference:Microsoft.VisualBasic.dll /t:library /sdkpath:c:\windows\microsoft.net\framework\v1.1.4322 ClockControl.vb But I get the following errors (not all are listed): vbc /reference:Microsoft.V...more >>

I can't seem to find a way to get a boolean database column to map to a checkbox. It's maps to a plain text column that gives a value of "True" or "False". Not really very elegant. I can't find a way to set this through the designer....more >>

Hi, I need a little advice with this ; I retreive some data from a database, and i want to create an output with a link, logo image, title etc.. But i want to change the data before displaying it.. Ex : if the data is "IN" i want to dipslay "Internet" and make a link to "in...more >>

I'm trying to send an email from my VB.NET application. From the examples I've seen everyone imports 'System.Web.Mail' first. But, when I type 'import System.Web.Mail' the editor says it can't find the namespace. The message is: "Namespace or type 'mail' for the Imports 'System.Web.Mail' ca...more >>

I'm looking for a windows explorer style Tree View (that shows from the desktop and includes "network places" etc). I can't seem to find a free one anywhere! Any ideas? Cheers ...more >>

VB .NET 2003 I get the following error when trying to start my project: Error while trying to run project: Unable to start debugging on the web server. Server side-error occurred on sending debug HTTP request. ---------- I get the following error when I try to start the project without deb...more >>

Hi! Is it possible to use a .NET assembly in a VB6 application? We have an old VB application to which we'd like to add a new module, no communication is needed to the old app. Is it possible to develop it using VB.NET and then use/call it in the VB6 application. Thnaks in advance! /Henke ...more >>

Please do i swap dbgrid columns in runtime from code? i want to do the samething like when user move columns Thanks you ...more >>

In VB6 if I wanted to display a group of records, and possibly allow the user to select one or more records, I would use the ListBox. For example suppose I wanted to display something like this: Name Address Phone Number Johnson 111 South Av 111-1111 Smith 222 Main St 222-2222 ...more >>

When would it be appropriate to call this: Anytime, specifuc events? When is smart when is not... Also, can someone give me a complete example of doing this in vb.net? Please define the hprocess and IntPtr proc and int min and int max.... Say my app runs in an instance named appnew, what would b...more >>

We're moving frome Exchange to Notes soon and I'm wondering if anyone has any info about sending mail using Notes and Vb.Net (or C#). Any help or suggestions for a tutorial are very much appreciated, Jason ...more >>

I have a console app that reads and parses the command line. The code originally read something like this: dim CmdLine as String = Command() if CmdLine.indexof("-trace") then 'tracing is enabled... end if In Visual Studio on my development workstation this was working fine. But on m...more >>

Hi all, Is there an equivelet to the "DoEvents" keword (in vb6), in vb.net? Thanks in advance zr ...more >>

Folks, I'm old a programming and new at VB. What do I need to get started? I've ordered some books, but as far as tools go when the books arrive. If I've got a standard MS2000 install, do I have enough to write code? What tools are recommended to make programming easier? Any help, thanks...more >>

I have an interesting problem and I'm not coming up with any answers in my searches, so hopefully someone can give me a hand with this. I have a feeling it's easy, but I usually get my nose stuck too far in the details to see the big picture. :) I want to create a collection of key/value pai...more >>

I'm new at this, so please forgive me if my question has a simple answer to it. I'm trying to get a value out of a SqlDataReader. Here is my code to do so: Dim mySQLCommand As New SqlCommand("SELECT NextPrbKey FROM SystemAdmin", cn) Dim mySQLReader As SqlDataReader = mySQLCommand.ExecuteRea...more >>

How can I set the focus on a combobox? In VB 6 it was: combo1.setfocus Thanks a lot! ...more >>

I know this may not be the place for this question, but didn't know where to ask it. Does anyone know what characters are invalid as filenames for zipentries in SharpZipLib? I am zipping files that use a character that looks like a "." but centered vertically. This causes problems upon t...more >>

Hi I would need to increase the size of the icons of a list view, to show a list of images. Is It possible to change this size? Is there another control more accurate to do this? Thanks for al ...more >>

I only know the keydown-event in VB 6, there it is like this: Private Sub Form_KeyUp(KeyCode As Integer, Shift As Integer) If KeyCode = 13 Then XXXXXXXXXXX End If How can I do this in VB.Net? can I do this overriding other settings? Thanks a lot! ...more >>

As my previous Post I am a terrible programmer but giving it my best shot. I’ve used the following code to bind the data from an access database to text boxes in Windows Form in VB.Net. Now I want to be able to add to the records using via text boxes. I thought the best way would be to have a cl...more >>

I’ve used the following code to bind the data from an access database to text boxes in Windows Form in VB.Net. Now I want to be able to scroll through the records using a adhoc bar and be able to jump from the first to the last record. this coding only displays the first record. Can anyone pleas...more >>

Hi, i created a user control, inside the user control there is a text box. I placed the user control on a seperate form. how do i get the value that is inside the text box using the code in the form .. ? Need Code PLEASE !!...more >>

Hi all, I have a couple questions about build number: 1- When I move the mouse over some executable programs, I see tooltips that show a version number. How can I get that into my VB.Net programs? 2- If #1 is possible, then how can I somehow configure Visual Studio to auto-increment th...more >>

Has anyone used CopyMemory with DotNet? In this instance I define it as: Private Declare Sub CopyMemory Lib "KERNEL32" Alias "RtlMoveMemory" (ByRef hpvDest As DEVMODE, ByRef hpvSource As Byte, ByVal cbCopy As Integer) Private Declare Sub CopyMemory Lib "KERNEL32" Alias "RtlMoveMemory" (ByRef ...more >>

Hi i have a base class (marked 'MustInherit') with a public property called IsValid and a public event called Vali i have a class (lets call it 'Client') that inherits this base class so the Client class now has a public event called valid and a public property called IsVali the client class i...more >>

Was wondering...the following site provides a compiler for C# and soon, VB.Net on a linux box: http://go-mono.com/c-sharp.html What legalities should be made aware in order to use this legally? Are there any legal issues that should be made aware before jumping the gun? Thanks, Mythra...more >>

Hi all, I have a program that has this basic flow: 1- Splash screen opens and creates a system tray icon (the splash screen is the main form that is started on program execution, and stays hidden to be the form that the tray icon "belongs to") 2- From the tray icon, multiple forms are opened...more >>

Implementing VB's stock error handler, "On Error Goto Err_Label", is easy enough using Try/Catch/Finally. I also figured out how to implement "On Error Resume Next" case, like when you want to delete a file but don't care about the error if the file doesn't exists. So: Try 'main code ...more >>

I'm trying to retrieve a string resource from a Win32 file. In win32 world I would just use LoadLibrary and LoadString. What do I use in the .NET world? -- Chris Burr cburr@kcc.com ...more >>

Hello again, I have an application with three forms. Frm1 has a button whose click event calls frm2 -- frm2.ShowDialog(). Frm2 has a button that calls frm3 -- frm3.ShowDialog(). When I minimize frm3, I want the other two forms to minimize as well. As I have it now, frm3 minimizes and a sm...more >>

What is the point of having a shared method in a class? By its definition the shared method is independent of any instance of the class it is in. So what's the point of it being there? It could have just been in class B instead of class A, or in class C. Why is it not in a module?? I don't ge...more >>

In VB6 I usually use the form's events in the following order: Initialize: To initialize variables if need be. Controls are not yet loaded. Load: Now that controls are loaded they are set up, e.g., combo boxes are loaded, textboxes are filled with default values if needed, controls are enab...more >>

Hey all, I need to know how to create an Active x control (User Control) i need code and examples PLEASE !!!...more >>

Rather than putting a progress bar on all of my forms to show progress during time consuming tasks, I made a form called frmProgress with 2 controls, a Label and a ProgressBar. Suppose I expose 1 property -- prgValue (the Value of the ProgressBar); how do I use threading so that my time consuming t...more >>

I use the following code and can get all the correct printer information back for Printer_Info_1. However, when I try the same code for Printer_Info_2 or 5 I get a System.NullReferenceException. Can someone please help <DllImport("winspool.drv", EntryPoint:="EnumPrintersA", SetLastError:=T...more >>

I use a ColorDialog control to select a number of custom colours using the code segment below, I've fixed the index to 0 for the purpose of highlighting the problem. Dim intRed As Integer Dim intGreen As Integer Dim intBlue As Integer ColorDialog1.ShowDialog() intRed = Color.FromArgb(Colo...more >>

If I use the standard ColorDialog control to select a colour (say a pale blue) I get the returned value of 16762980 which is fine (Red=100, Green=200, Blue=255), BUT why when I use the following do I just get a transparent background??? Panel2.BackColor = Color.FromArgb(16762980) Many thanks....more >>

I need to save a VB.Net 2003 solution as a VB.Net 2002 solution. I am told a program to do that exists. I did a quick Google search of the newsgroups and didn't find anything. Is there such a conversion? Thanks, Michael ...more >>

Hey all. I'm a newbie to VB .NET (though I've programmed somewhat in VB3 in the past). I'm trying to display the contents of a MS Access 2000 database inside a DataGrid, but I don't know how to make the connection. The database is on my hard drive. I am using Visual Studio .NET 2003 on Windows XP...more >>

I have a form with 5 strings serving as search parameters. I collect them from the form, store them in local variables and call a stored procedure executing a select based on these parameters When the parameters are left empty in the form, I nees to make a select without conditions on that param...more >>

Hi guys, I'm using the following code to send values from one page to another, but seems to me, that the event Page_Load in the receiving page never fires. Why? This is the code: Thanks -*-*-*-*-*-* PAGE SENDING THE INFORMATION <%@ Page Language="vb" AutoEventWireup="false" Codeb...more >>

Well I had a way to write an array to an excel spreadsheet but on a huge time critical run it failed iwth the dreaded HRESULT: 0x800A03EC error. It worked fine when i sampled the data to go in but when it all tried to go in it bombed. So I need to write this to a tab delimited file and I sure ...more >>