Hello everyone, I was having a strange issue with tooltips on a dropdown menu, Im using VB.NET 2005 Express Beta 2, I have a friend who has the C# IDE and had the exact same problem. Anywho, I have a menu on a form, and when I click the menu to drop down the options, I can hover over an option...more >>

Sorry, I’m new to OO (thought I’ve programmed for decades in other languages), and though what I want to do here seems so trivial, I’m just not getting it to work (despite all the OO example exercises I’ve gone through in my books): - I have a Form with many labels (including Label1...more >>

Hello, I am trying use a TreeView with checkboxes. I would like to check more than one node and allow all child nodes of selected nodes to be checked or unchecked with the parent is checked. Thanks in advance for any help, Jack ...more >>

I have a UserControl with several Browsable properties. In some of the properties "Set", I execute code that calls other procedures in my control. In the Design Mode when the properties are set in the properties window, is the UserControl Property "set" called which executes the procedures c...more >>

Hi, I created a new resouce ("app.resx") in my project and added an icon to this resource with name "IL_ICON". I would like to use this resource in some unmanaged code, in particular, with the api function SHNotificationAdd. How can i do this? i have tried using ResourceManager to get that ic...more >>

Hi, I am currently using Visual Basic.Net "How to Program" by Deitel, Deitel and Nieto. Initially, going trough it at a rapid pace, skipping most exercises, did not give me enough footing. Trying to do most exercises works best, but most exercises have no answers on the accompanying CD, whic...more >>

Is there a way to go through all the messages in outlook express, or a way to go through the dbx files? ...more >>

Hello: I have the following code: Dim lsFilter As String = Nothing Select Case rblStatus.SelectedItem.Value Case "S" lsFilter = String.Concat("D_STAT_CD_C = '", "N'") Case "R" lsFilter = String.Concat("D_STAT_CD_C <> ...more >>

Hello, In VB6 i use to print text to the lpt1 port, because of matricial printers and i use to do this: open "lpt1:" for output as #1 print #1, "some text" close #1 my question is: How can i do the same in vb.net?...more >>

I made an app with VB.net 2003, which I then posted to the net for others to use. I'd been updating it, and someone had been testing it for me, and everything was going well until I got a new PC, and now no-one else seems to be able to run the program. I haven't set it up as a deployment, ...more >>

Hello, I am making as setup/deployment project in Visual Studio.NET and would like to know how to change the top window and the Icon from the default icon of a computer to something I create. Is there a way to add a pic to the msi setup project? Thanks, Chuck ...more >>

Hi I'm pretty new at this so please don't laugh too hard. I'm trying to load an xml document using VB.NET and having a hard time. My code doesn't crash but it doesn't work either, the first msgbox returns 0. Help (please!) Below is my document and snippet of code <?xml version="1...more >>

Hi all! I'm trying to figure out how to map a network drive in VB.NET/.NET Framework. I understand that I can add references to wscript and the scripting runtime library, but I want to do it w/VB.NET & the Framework. Suggestions? Thanks in advance!...more >>

I have a windows application that displays users from access database in a checkboxlist. What I am attempting to do is select a user or users from the checkboxlist, loop through, and delete their corresponding information. I have setup a textbox to print the SQL string that is generated and it s...more >>

I dragged a datagrid onto a VB.Net WinForm and used the properties page and a few lines of code to set it up, including the DataSource. No wizard setup was used. It works fine except for one thing: there is no vertical scrollbar even there are more lines than can be shown on the datagrid. Th...more >>

Hi newsgroup I have some problems with my service which is using ODBC-Connections. My service is executed as a local system (I tried already every other account type, even the domain-admin) If the database i am accessing with odbc is stored on my local hard disk, then I have no problems...more >>

Sometimes, when I think I understand something and try to explain it to someone else, I realize that I don't understand it at all. Consider: Dim i As Integer Dim d As Double Dim a As Integer = 3 Dim b As Integer = 0 ' case 1 Try Tex...more >>

I am building a UI, I am using stored procedures for executing SQL commands on the server. When I ran a insert stored procedure it returned me a error message that it could not find a parameter that I sent it, it was sent but in the building of the parameter the first and second parameters place...more >>

Hi, I am trying to find out if there is a good (Built-in?) way to validate text input. I would like to check a textbox to see whether user enter a proper name (without numbers, symbols etc) or if it is a valid phone number (no letters or symbols) etc or not. Right now I am sending the strin...more >>

I have an in-memory DataTable with about 35,000 rows. I have an IP address column that is populated and a hostname column that is not. I want to be able to quickly update the hostname column so that it shows the hostname for the IP. Rather than iterate through all the rows, I'm wondering if t...more >>

Hi, I wrote this little function to register ocxs or dlls.. When it's all right this function works properly, but justly, for example, if the application runs with a user that hasn't administrator rights the registration does not work. The problem is that it seems that the called function 'dllre...more >>

How do you access a form or code from another project in the same solution? I have a solution that has several projects and I want to be able to load a form or call code from say Project2 from Project1. I thought it would have been something as simple as Project2.Whatever, but that does not ...more >>

Can anyone convert some C code to VB .NET for me? Thanks in advance!! #define LOGONID_CURRENT ((ULONG)-1) #define SERVERNAME_CURRENT ((HANDLE)NULL) typedef enum _WINSTATIONINFOCLASS { WinStationInformation =3D 8 } WINSTATIONINFOCLASS; typedef struct _WINSTATIONINFO...more >>

Hello, I am using a timer object in my Windows Forms Application. Does the code in ..elapsed event run in a diffrent thread? If the interval is set to 10 milliseconds and the time to execute the code in the .elapsed event takes 1 secocond to complete, what happens? 1) Timer starts. 10 mi...more >>

Hello, I am writing an application that processes xml files that are stored in a folder. The application picks up the files in a folder, processes them and then deletes them. What is the best approach on loading the xml files from the folder into my application? At the moment I am usi...more >>

Hi all, in VB.NET i want to enumerate the list of users with a special userright. So i want try to use the LsaEnumerateAccountWithUserRight. When i try to open a policy handle i return a nullreference error and i don't know why? here is my code: Private Declare Function LsaOpenPolicy L...more >>

I'm trying to find a way to create a variable of a given type at runtime where I won't know the type until it actually executes. For example, dim x as object = "hi" x is declared as an object but x.gettype returns 'string', so it knows it contains a string. If I want to create a variab...more >>

I have an arraylist of string values. I would like to search the arraylist to find the index of a particular string and I would like the search to be case insensitive. dim al as new arraylist al.add("one") al.add("two") dim x as integer = al.indexof("ONE") I would like this to find t...more >>

Is there a way to capture click events in the form designer? I'm trying to create a control similar to the TabControl (which seems to handle clicks in design mode) and would like to be able to click on parts of the control in design mode and have the control react, but I can't seem to trap th...more >>

Hi all, If I have the name in a string of one of the framework's core classes (such as "System.Collections.ArrayList"), what's the easiest way for me to create an instance of the appropriate class? In VB6 I would have simply used CreateObject, is there an equally simple way in VB.NET? ...more >>

I have a datagrid that is two levels down from the dataview (i.e. grandchild). I have spent 3 hours trying to get the syntax of determining it's real datasource (i.e. not it's source based on it's relationship with the dataview). argh! company ---> person --->contact -c...more >>

I have a base class that is derived from an existing class and i need to have ANOTHER class that is linked to the objects created in their class. OK icant explain it properly. Here is part of the code. Ok i assume you have read the code by now. So, without creating a new dictionary and ru...more >>

Hi Just begun som elight coding with VB Express 2005. And have also checked out the coding4fun part on MSDN. As far as I can see most examples are coded with C#. Does this mean that C# is the way to go instead of VB 2005? /A. ...more >>

I have an aplication which used to be created in Delphi 5. For various reasons we want to try to recode that in vb .net but the original application called functions inside one or more dlls that were loaded dynaically by the name found at run time. i.e. what would happen is that the applicatio...more >>

As soon as I try to set rowFixtures.HomeTeamID I get an error: "Object reference not set to an instance of an object." What should I changes? Dim rowFixtures As HTPlannerDataSet.LeagueFixturesRow rowFixtures.HomeTeamID = "123" rowFixtures.HomeTeamName = "Team A" rowFixtures.AwayTeamID = "456...more >>

Hello all, I have a written a vb.net windows application for jpg files. I want to write a comment to the jpg file. You can do it manually with e.g. irfanview, but how can I do that in vb.net ? Thx Frank Teunen ...more >>

Hi, If I modify my Registry adding a new key HKEY_CLASSES_ROOT\*\shell\Use My App\command with a (Default) Value of C:\Program Files\Doug\DotNetApps\MyApp.exe "%1" then right clicking on files in the Explorer Windows opens the context menu with the option "Use My App" and selecting this runs My...more >>