Hi, I am very new to VB.Net At present I am having VS2003 - P4 - intel - 2.4GHz - RAM 512 MB - HD 80 GB - OS Windows 2000 Service Pack 4. I am thinking of going with latest version VS2008. What is minimum hardware requirement? Need advice Regards, Rachana...more >>

This article is helpful in creating 1bpp (Monochrome) GIFs using GDI+ http://support.microsoft.com/kb/319061 However, I'm using VB 2005 and am having trouble copying the pixels across. The C code I'm having trouble converting follows: unsafe { // Get the pointer to the im...more >>

I am using an IO.StreamReader to read the contents of a text file. It all works just fine. However, I do not know of a way to move back to the beginning of a file. For example, let's say that I read in five lines from the file, or all of them for that matter. How do I then point the IO.StreamRea...more >>

Hi everybody, We are currently using VS2003 and now we are in the porcess of upgrading to the next Visual Studio version. Does somebody have a real life experience with VS2008? My boss wants to go with VS2005 and I am trying to convince to buy VS2008. Can somebody provide links to compare 2 ...more >>

Is there a difference between AddressOf and Delegate for assiging a function/Sub to an event? Add_Handler txt1.Click AddressOf WhatColorFont or Private Sub Delegate WhatColorFont() .... Is there any difference between these or is it just a one or the other thing? Thanks, Rich...more >>

This statement: Update Profiles set ProfileName='Kids', Current=True, ProfileDescription='Kids', Password='Kids' where ProfileID=2 as also: Update Profiles set ProfileName='Kids', Current=Yes, ProfileDescription='Kids', Password='Kids' where ProfileID=2 works within Access. But neither of...more >>

I have a module that defines, among other things, an Enum: --- MODULE CODE BEGINS --- Namespace OMEGA.GRP Module Globals ... Public Enum FileProcessingStatus None Processing = 1 Completed = 2 Failed = 3 End Enum ... End Module End Namespace ...more >>

Using VS2005 (.NET 2.0), VB.NET, I have a windows forms application. I have a StatusStrip containing a ToolStripStatusLabal and a ToolStripProgressBar. I want to force the status label to behave like it's docked to "Fill" inside the StatusStrip and force the progress bar to behave like it's d...more >>

I'm using the SciLexer.dll to write a code editor for an in-house scripting language. I have the editor window up on a form but I need to use it's API. I've used the following commands to load the dll: Private scihWnd As Integer 'Scintilla's hWnd Private SciFunc As Integer 'Scintilla's Main ...more >>

Hi, Would someone mind pointing me to a site or document that might help me understand how to detect a bluetooth device and talk to it using VB.NET compiled for Windows Mobile ? I have VB.Net 2005 and my PDA runs Windows Mobile 6. I have downloaded the Windows Mobile SDK but have not run...more >>

Hi EveryBody: I'm working with project in my company by using ASP.Net 2.0 that allow the users to upload and download files to web site in the internet as backup. The user will first upload his or her own files in the website that will save the data immediatlly into database. and when th...more >>

Hello There, I'm coding an application which uses a library, "tfm.dll", to communicate with a finger print reader.I'm converting the communication API function declarations from the provided VB6 source codes to VB.Net and having a weird issue : The VB6 declaration of these functions are ...more >>

Hi all I use: me.caption =Application.ProductVersion() (vb 2005) to present the version of the product. It always show 1.0.0.0 I googled some and found that I have to edit assemblyinfo.vb 1. When I add it to the project - I have compilation errors. 2. When I did that - it did not help... 3....more >>

Hi all I made some common used classes (e.g. config reader, email sender, user login class). When I add them to the project - a copy of the file is being made. How do I avoid that? I want them to stay in (e.g.): c:\myfiles\vb\common classes So if I update them - all projects will be w...more >>

Hi all I made some common used classes (e.g. config reader, email sender, user login class). When I add them to the project - a copy of the file is being made. How do I avoid that? I want them to stay in (e.g.): c:\myfiles\vb\common classes So if I update them - all projects will be wit...more >>

Hi all What is the correct field type in sql server 2005 for attachments? I used TEXT and tried to store a small jpg file (30KB). I got a run time error "Attempted to read or write protected memory" I tried to play with inserted value, when I insert there: "" or chr(1) or chr(1) & chr...more >>

Hi All, I've been trying to get FindWindowEx to work to locate a button, and am stumped on the following: The structure of the external app is as so from Spy++: - "Main Window" - ThunderRT6FrmDC - "" - ThunderRT6Frame (outer panel) - "" - ThunderRT6Frame (inner pane...more >>

In my application, I have a Combo Box and Text Box. At Startup, I fill the Combo Box with information that I allow the Users to select to do certain Calculations. My Text Box shows a Value calculated by the information in the Text Box. At Startup, I have Default information in both boxes. ...more >>

Hi All, Was hoping to get some input on how I might be able to check if a button is disabled or not in a 3rd party application? I'm trying to capture the session state of an external program and that is revealed by whether the buttons are disabled. Any assistance would be much appreciated...more >>

Hi All, Was hoping to get some input on how I might be able to check if a button is disabled or not in a 3rd party application? I'm trying to capture the session state of an external program and that is revealed by whether the buttons are disabled. Any assistance would be much appreciated...more >>

Hello. I would like some examples on using OOP with dotnet developing tools (For VB & VC), please. Also what are the main difference of version 3.0 and priors (2 & 1.1). Need some samples, and tutorials please. Thanks :) ...more >>

hi! i used the following code to print files like pdf and .doc: Dim x As New ProcessStartInfo x.UseShellExecute = True x.Verb = "print" x.WindowStyle = ProcessWindowStyle.Hidden x.FileName = file_name Process.Start(x) is there a way to count the number of pages of the file being printed? ...more >>

I need to interate thru the menu items under a ToolStripDropDownButton. Some of them are ToolStripMenuItems and some are ToolStripSeparators. I want to deal only with the ToolStripMenuItems, so am using Control in order to interate thru the collection. However, when I do that, I cannot cast ...more >>

Hi all I use: Dim message As New MailMessage(txtTo.Text, txtFrom.Text, txtSubject.Text, txtBody.Text) Dim emailClient As New SmtpClient(txtSMTPServer.Text) emailClient.Send(message) And its working fine. However I was wondering if there is a way to confirm that the email was sent. The sen...more >>

Hi, I have 2 questions about saving windows form settings. I have a form with 1 textbox and 2 radiobuttons I added application settings for : textbox1, radiobutton1 and form location I've set my.settings.save on form closing event. I find : -radiobutton doesn't remember its state but textbox...more >>

Hi, Should i call a kind of dispose or close function after using: My.Computer.FileSystem.WriteAllText or My.Computer.FileSystem.ReadAllText for next usage in order to leave resources empty / buffer flushing. I read VB.NET's "using...." statement also closes open resources "automati...more >>

Hi, I am wondering how you multi-dimension an array function? My declared function looks like this: Public Function GetCustomerList(ByVal Val1 As String, ByVal Val2 As Long, ByVal Val3 As String) As String() Previously I dimensioned a single dimension Array to the size I wanted and t...more >>

hi all i should copy the items of a combo to n other combos. it's not a cycle: With cboColor1 .Items.Add("ffffff") .Items.Add("cecece") ... .SelectedIndex = 0 End With and the list may be long enough. is there a quick wa...more >>

Hello, The code below can popup the property dialog of a file, it works well on XP, Vista 32bit, but it will not work on Vista 64bit, how to correct it? i have tried to change integer to intptr, but not work yet, thank you. ////////////////////////////////////////////////////// <System.Runt...more >>

Greetings New to Visual Studio 2008. Always us VB6.0 SP5. I am trying to copy files from A to B. I select a directory, and copy files. Works ok, but it does not create the directory first. snippet. Private Sub cmdTo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Han...more >>

smaple: sub SomeSub() static i as integer = 1 i+= 1 end Sub strange as initial Value means first call the variable = has as default max ( 243..... ) integer as value. is this normal? Wolf ...more >>

Hi, I am coding a Windows Form Application in VB.NET 2008. I would like to clear the keyboard buffer or at least empty all outstanding key presses queued up for my application at certain points in my program. I looked at System.Console.Read, but that doesn't seems appropriate. I also looke...more >>

How to convert the C# code below to VB.NET? thank you. AddLogicalDrive(((char)('A' + i)).ToString() + ":"); ...more >>

hello friends i have a problem i want to select a specific cordinate from pdf file according to X and Y cordinate through vb.net. and i have no any idea about this. i am not under stand please help me Thanks Parth kumar...more >>

Hi, I used My.Settings namespace to store application settings well. If i don't change its location, i can call saved settings OK. But maybe it's a bug or not, if i change my application location to another folder or drive partition, it gets lost! How can avoid this? Thanks....more >>

Hi, I have a small app which sends using .NET's SmtpClient Class and sends well. But the problem is that i placed a marquee-type progress bar to have an animation and hide by default. Then i placed "progressbar1.show" code inside send button, but the problem is that progress bar is shown afte...more >>

I need to be able to get the screen's PPI. I know I can do it using GetDeviceCaps but is there a class that I can use instead? Thanks ...more >>

Hi, I receive warning for the following enum: Public Enum enumMinOrMax Min Max End Enum Warning 20 Type of parameter 'MinOrMax' is not CLS-compliant. This enum is contained in a different project from the code that triggers this warning. I noticed code in...more >>

I am new to visual studio.net 2005. What I need to do at my new job is to write an application where users can enter data into 'screens'. The data that is entered will end up in excel spreadhseets. Once the data is entered into the excel spreadsheets, I will then export the data to vartious sq...more >>

I'm convert a VB6 program to .Net platform. My program use function key (F12) to close a form. Now I found that the coding in the keydown event of control triggered, the coding in the keydown of the form does not triggered. Can anyone help me? Thanks a lot. ...more >>

when the cursor is in a textbox, only coding in the keydown event of the textbox triggered, the coding in the keydown event of the form does not triggered! Problem: I need to change a VB6 program to .Net. It uses function key(e.g. F12) to close the form, now i need to write the coding in the ...more >>

Is it possible (if so how) to override the constructor in an abstract class? Here is a simplified example of what I'm rtying to do: Create a windows App, drop a button on the form and doubleclick it. In the onClick event I have: Button1.Text = New HelloJohn("Hi").ToString() 'should print ...more >>

I have the code below that will evaluate a string of characters. If its less then 12 long it will trigger a message box if its equal it will save the information and close the form. I have this currectly on a button event, how could i place this same logic say once i enter in my last characte...more >>

I have a strange situation with vb 2005 regarding option strict that looks like a compiler bug to me. Consider: Dim f1 As New Font("Arial", 8.25) Dim f2 As New Font("Arial", 8.25, FontStyle.Bold) ' f1 is ok with option strict on or off ' f2 is ok with strict on, but with off I ge...more >>

Can someone tell me why my program hangs when I call a timer function from within a Do Loop. Here is the code: Public Class MainForm Public intCounter As Double = 0 Public intMin As Double Public intSec As Double Private Sub btnStart_Click(ByVal sender As System.Object,...more >>

I built a webpage using vb.net (.net 2.0) that creates a form letter. This letter pulls data from a database. Although I populate the address with the person's full name, which comes from the name column of a customer table, I need to just get the first name for the Dear part of the letter (ie...more >>

Hi, Here is 2 questions: 1) I declared some global hotkeys located inside Windows API follows as: Private Const MOD_ALT As Integer = 1 Private Const MOD_CONTROL As Integer = 2 Private Const MOD_SHIFT As Integer = 4 Private Const MOD_WIN As Integer = 8 But i need other key's IDs and decla...more >>

I'm using ITextRange::FindText Method and it works OK but I have to code so that if the return is not equal to S_OK means it succeeded. Does VB.NET do some thing to the HRESULT before I get it? Should I always assume VB.NET inverts HRESULT returns? Thanks ...more >>

I am building a client-server application. When the clients gets the data from the server, the data is received as a byte array. The server works with data in 2-dimentional arrays (recordsets received from SQL Server, could be integers, float, string dates...) stored as the data type objects. ...more >>

Hi, Trying to implement databinding. I've a dataset with a table, a windows form with typical controls: combobox, datetimepicker, textbox . . . I use what I think is a normal method to establish the bindings: textbox1.databindings.add("text", dataset, table.column) The records displays in ...more >>

Hi There, I am developing an windows application using VB.NET and I need to export and open the contents of my datagrid to a flat file. Preferably txt or wordpad. Whats the best direction/chunk of code to do this? Thanks, Kevin. ...more >>

Hi, I want to set a CommandButton (Click - Event) to let the programm code (below) progress. The question is how is that exactly to do on the point. The as boolean declared variable "PROCEED" is turning "FALSE" after complieting While Wend - Loop and hereafter is coming the Text on ...more >>

Hello, I am working on a project with a strongly typed dataset...I have to make alot of changes to it as I change the database schema. Its tedious, error prone and time consuming updating it manually as I have to do everything twice... Is there a way I can automatically regenerate it from t...more >>

i have used this code(see below) to open .doc files using a cmd button, an open dialog box, a microsoft textbox(in COM components) to display the .doc file and a texbox to display the pathname of the file, it can open the .doc file but the display is all messy and the characters and spaces wont a...more >>

Hi, I use the publish feature within Vs.net 2008, and have it set to increment on each build/publish I want to be able to display this as my application version number, but can not see how to access the information. application.productversion doesn't seem to access/use the publish versi...more >>

Assume a user supplied excel cell formula of "=Model!E75" which could change so I don't want to hard code it. Inside of a loop I need to make it increment the row to refrence E76, E77, etc. Any suggestions on a quick easy way to replace the 75 with the next value? I know I could write a few li...more >>

Need to read Word file without Office installation. It's possible? http://www.alvas.net - Audio tools for C# and VB.Net developers ...more >>

I tried the code at the end of this note although I didn't think it would work since without and "Application.Run.." I'm thinking there is no message loop as I had found this on the internet: This is a Win32 message (or wait loop) while (GetMessage(&msg, NULL, 0, 0)) ...more >>

Does anyone know how to set a property to display the leading zeros in the numberic updown control for vb 2005? I'm using the control and want to input a value of 01 however it will just show 1?...more >>

Hi, pls give some points on this project... Search - needs excution code ...more >>

Hello, I have a question about manipulating string in VB.NET2003. I have a string that looks as follows: MyString = "1st garbage blah, blah.. " & vbCrLf & _ "==============================" & vbCrLf & _ "2nd garbage blah, blah.. " & vbCrLf & _ "==============================" & vbCr...more >>

Hi all, I'm posting as a follow-up on this thread: http://groups.google.co.uk/group/microsoft.public.dotnet.languages.vb/browse_thread/thread/25781f7b1d987306/490ef079b658c57a ....I've not found anything more definitive than this, with the exception of a statement on VB6 support and Vista[...more >>

I am designing an application, using Visual Basic in VS 2005, with a MDI interface. It is possible for the user to have anywhere from zero to many MDI forms open at any given time. It is also possible that changes to data made on one form could result in the need to update other forms that are o...more >>

Hi, I need help how to use crystal report with vb.net 2003. Plz tell any website or sample code etc thx imee...more >>

If I have a loop that has a max value of say 20 why would I not want to define the loop counter using a BYTE or SHORT as opposed to a INTEGER. It seems in most books or samples they define fairly small numbers as INTEGER. thanks, David ...more >>

I'm posting this so others can avoid a headache. The OpenSubKey function of the RegistryKey object in .NET does require two backslashes between keys on some machines (ex. "Software\ \Microsoft\\Office") even with VB.NET. I came accross an issue where my development and test machines did not...more >>

hi! im currently doing a project in vb.net that could print 3 kinds of file formats: .txt, .pdf, and .doc i can already print text files but i haven't done pdf and .doc yet. can anyone help me with this please? ur help would be greatly appreciated. tnx! ...more >>

I include some sample binary data files (produced by my software) with my application installation for the user to do what they want with. I put the files in the Users Personal Data Folder/(myappsname) with VS 2005 installer - File Types screen. All is well until the user changes the name of ...more >>

I am using VB.NET 2005 and SQL Server 2005. Using the Server object from SQL Server Management Object (SMO), how can I connect to a database on the server ? When I do it like the following, it gave me an error "Logon failure: unknown user name or bad password" even though the user id and pass...more >>

Hi, I'm looking for a better way to do a date/time elapsed event rather than a timer elapsed event. Currently, I wrote my program to use a timer elapsed event set to 1 second, and it checks the date/time in the event. Is there a better way? Thanks....more >>

Hi, Visual Studio 6 WebBrowser control had the ability to set a value and also to raise webevents like click eg: webbrowser1.Document(icur).All.Item(Text_Password_Field.Text).Value = Text_Password_value.Text webbrowser1.Document(icur).All.Item(42).Click Is there some way to do the same...more >>

I need to know how to check the state of a windows service. I need to determine if the windows service "Smart Card" is running. If it is not running, I need to start the service. Also it would be nice to set it to automatic so I wouldn't have to keep checking. Anyone know how to start a ...more >>

I have just been given a project to develop using VB.NET. There is a smart card reader that will take the Proximity Cards used for plant access, at each station. The user will fill in manufacturing data, then use their card to validate themselves to save the data. I need to know if there ar...more >>

Can I use LINQ in VB .Net 2008 to get to a Visual FoxPro Table? I've seen demos of it with SQL Server but they've used it with a server browser and I don't think that'd work when I need to see VFP tables....more >>

I need to write a web service--actually several. The data these web services return will come mostly from odbc data sources. Also I'd like to make this a web application as opposed to a windows app. I see they offer an ASP.Net Web service application but I'm not sure if any of the others ...more >>

Windows XP VS 2005 I got the error message below when trying to publish the VB app to a network folder: Publishing location: \\nasserver\customapps$\VS2005\VISUALDISPATCH\ Installation URL: http://masterserver/customApplication/VS2005/VISUALDISPATCH/ Your help is greatly appreciated. ...more >>

Hi, I was working on a screen capturing application which must do its work when a key (eg: CTRL) is pressed while the application is resides in tray as a notification icon. I mean, while my application resides as a notification icon, it must do the work when a specific key is pressed such as ...more >>

Hello, I have an Mdi-application which also is a remoting-server (Ipc). Several instances can co-exist on the same machine. I have a small app (search-engine) (remoting-client) which calls a sub on the MDI (specific instance) thus retrieving eg the data of a certain customer. If the custom...more >>

Hi, I have created a base class implementing an interface and a derived class also implementing the same interface. While figuring out that I am unable to call the derived method of an instance or the derived class I have added the keyword Overloads to the function. But this does not help...more >>

I build the solution. In the bin folder I run the .exe Twice It runs each time. Why doesn't the below code abort the second run? Thanks Shared Function Main(ByVal cmdArgs() As String) As Integer Dim mutexWasCreated As Boolean Using mutx As New Mutex(True, "TestJunk", mute...more >>

I'm trying to create an application that has a different look. One of my thoughts is to use rounded corners on my objects instead of perfect corners. Is there a way to change how controls are shaped so that they have rounded corners instead of straight corners? Also, is it possible for me ...more >>

Hi, I'm running Visual Basic 2008 Express and Managed Direct X under Windows Vista 64-bit and when I run my application I get this message: InvalidOperationException An error occurred creating the form....is not a valid Win32 application. I found a few fix quite easily a few weeks ag...more >>

In one VB.Net 2003 solution, I have three projects (one in the installer project and not relevant here). However, the other two are the ones where I want to share some commone fucntions. One is a Windows Forms based app and the other is a Windows Service. Is this possible? TIA, -- Ani...more >>

I am using an MDB file which I have secured using the Access 2000 security wizard. When I try to open it using a VB program I get an exception saying "Cannot start your application. The wrokgroup information file is missing or opened exclusively by another user". However, I can open it manua...more >>

Hi there, I figured out, for the first execution for any .NET-powered app such as VB.NET or C#, it takes 7-8 seconds to see main form of "any" application even the application consists of a single form and a button and only 32kb sized. The second execution(without rebooting machine) is done les...more >>

Just wanted to wish you guys/girls a happy new year, and offer you my best wishes and prayers for 2008. My apologies for being absent lately, I've started a new job and have lost almost all of my free time to the daily commute. Hopefully, I be able to relocate soon and be back to posting. T...more >>

I see the following in my "Output" pane when I run my program. A first chance exception of type 'System.NullReferenceException' occurred in .... I believe there is a way to configure VS so that it will stop on such exceptions but can not find it. Can you tell me how to set that? ...more >>

Hi, I have a simple (?) question for you all experts. I have a button that performs a query on my SQL and fill a datagrid on the form The code: Dim sconn As New SqlConnection() sconn.ConnectionString =3D "Data Source=3D(my.Server;Initial Catalog=3DMyDB;Persist Security Info=3DTrue;Us...more >>

Apparently the group microsoft.public.dotnet.framework.remoting no longer exists, or it is hiding from my listing. In any case, I still need help with how to approach remoting. This is my first remoting projct, and the documentation and samples I have found don't do much to make clear how ...more >>