For my ImageProcessing Application i need to find whether an Image is Color or B/W through code for GrayScale automation purpose, Iam using vb.net and photoshop for developing the application. Can any one help in this regard. Thanks, Chellapandian.S ...more >>

Hi, I am developing a COM exposed dll in VB.NET. Everything works fine under Windows XP but when I try to compile my dll under Windows 2000 i get the following error message. COM Interop registration failed. Type library exporter encountered an error while processing '_IPCustOrder.CreateBas...more >>

I want to add an OCX to my toolbox and work with the control like I did in VB6. But, when I try, it says it "was not recognized as a COM server" and errors out without adding the control to the toolbox. What am I doing wrong? ...more >>

As we add a new row in datagrid, How can we make it not display (null) in that blank new record ?? I search some newsgroup talk about .allownull = false. But I am fail to use it , Any idea ? Thanks ...more >>

Is there any example or could someone please help me out? I need to be able to read the content of one particular newsgroup and save it into mysql database. Is there any source code available or could someone point me up? Please let me know. Martin Ho Posted Via Usenet.com Premium Usenet ...more >>

Hello, Some of you might recognise me from the VB6 newsgroups. I just got a book, that includes VB .NET Standard Edition. I'm currently using VB6 standard / learning edition. I would like to upgrade or whatever you want to call it, by installing the VB .NET that I have now. However, the book ...more >>

Is it possible to catch a System.ComponentModel.Win32Exception? VB.NET seems to bypass System.ComponentModel.Win32Exception... I need to catch one level up at System.InvalidOperation. Is this normal? -- Lucas Tam (REMOVEnntp@rogers.com) Please delete "REMOVE" from the e-mail address when ...more >>

Hi, How to send Email through SMTP in VB.NET,please help me if u know any URL or source code in windows application. Mamathasri...more >>

I have created a project with a form called form1 and a module called module1. Form1 contains two buttons, button1 and button1. The event code for button1 is: Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click DisableButton2() ...more >>

I have the following string: e.Graphics.DrawString(Label5.Text, lblP1B1.Font, Brushes.White, -y, 0) I want to use the property label.forecolor for my text color. How do I get whats in label.forecolor into the Brushes.Color parameter? Thank you, John ...more >>

Hi, I don't know the MS Office products that well, but I once worked on a = project involving VB6 and MS Word. At that time, we were able to use the = Word Object Model in our VB6 project to do some things in Word = documents, such as working with extended properties, etc. I was wondering...more >>

By true tiling I don't mean the vertical or horizontal tiling that is normally though of like... 123 or 1 2 3 rather, I would like to know how to tile like 1 2 3 4 .......any ideas? ...more >>

Hello, plse help me on the way. I know how class textboxuser inherits from textbox works. But how is this done: a button and a textbox, if I push the button the textbox is filled with 'great'. These two controls I want to pack into something and use it as a whole in other forms. Is this done ...more >>

I have a form with two DataGrid controls, each bound to different tables in a dataset. I would like to be able to have the user click a button, and have the currently highlighted row in datagrid1 copy over to datagrid2 as a new row. Is that possible? I have been playing around with different ...more >>

I have a form with two DataGrid controls, each bound to different tables in a dataset. I would like to be able to have the user click a button, and have the currently highlighted row in datagrid1 copy over to datagrid2 as a new row. Is that possible? I have been playing around with different ...more >>

I can use either of the following two statements to draw a line: Dim MyGDISurface As Graphics = Me.FieldMap.CreateGraphics or I can use Dim MyGDISurface As Graphics = FieldMap.CreateGraphics What I'm trying (and failing) to do is have: dim MyForm as new frmMain Dim MyGDISurface As Gr...more >>

Hi All: I have a problem when trying to create a data adapter using the wizard. Before I can get started the message box appears saying "Object reference not set". I do not have an opportunity of setting a data connection. I have reinstalled VS.net 2003 and still have the same problem. Help! ...more >>

Yes, my brain is once again dead ( this is my mind writing using a supernatural force ). I'm trying to validate an xml file against its schema, I have a very simple example where price is a float, and I put a text value in its place to test validation. "Nothing Is Reported", however, when I us...more >>

I've looked and for the life of me I can't find an explanation of "New". For instance, what is the difference between: Dim a As Integer and Dim a As New Integer ? Is it just "optional" (meaningless)? The only BASIC I knew previously was, well, BASIC and when you Dim-ed something you...more >>

Hi There, I have been batleing with this now that I'm at the end of my rop here. What I'm doing here is this; 1 - retrieving some data from the database with a data reader (with a search criteria) 2 - Filling a listbox with the data retrieved with the data reader 3 - draging items out ...more >>

Hi I want to connect fax machine with the computer and want to recieve faxes by my custom application. Where to Start ? Regards Ather Ali Shaikh ...more >>

Hey folks, I have a component that I know was written in VC++ 6.0, and worked great within Visual Studio 6. In .NET, I'm able to use it as a reference, check out all the properties in the object browser, and even have it accessible via intellisense in my VB.NET code. All this, but I don't kn...more >>

Dear Sir/Madam, The Following Code works fine in VB6: PRINT #1, chr$(&h1b);"@"; Print #1, chr$(&h1b);"a";CHR$(1); Print #1, chr$(&h1b);"!";CHR$(0); Print #1, "January 14 2002 15:00"; Print #1, chr$(&h1b);"d";CHR$(3); PRINT #1, chr$(&h1b);"a";CHR$(0); PRINT #1, chr$(&h1b);"!";CHR$(1); ...more >>

I have yet to find a way to create an access database from within vb.net. I can work with a database for creating/deleting tables, columns, rows, etc. but have to create a blank database in Access first. Any help would be appreciated. It was easy in previous versions of vb but can't seem to find ...more >>

Hi All, I have created a class that references MS Word. The class will happily control Word, adding text, etc. However, when I have finished with the VB app I want to close the app, but not Word so that user can continue on their own. If I release my word object and set it to nothing ...more >>

Hi VS 2003 used to have an (Overrides) entry in the left dropdown of the code editor. Where has this handy feature gone in VS 2005? ...more >>

I want to call a method dynamically based on a string For example When s = "A" Then method A would get called. I don't wan't to use a bunch of "If" statements. Something like: someMethod = AddressOf s 's = A someMethod(SomeSortOfString) Sub A(ByRef SomeString As String) ......more >>

The activity in this group has greatly reduced, methinks this might be something to do with Beta1 of VS2005, or is everyone off learning new stuff ? -- OHM ( Terry Burns ) . . . One-Handed-Man . . . Time flies when you don't know what you're doing ...more >>

If anything occurs (open a program, move an application window, switch between applications, click the start buttong) while my application is running, a null reference exception is thrown. The application is very simple, all it does it retrieve the contents of a local directory, delete them, retriev...more >>

I want to be able to arrange the order of items within a ListBox using drag-and-drop and also drop an item at a specific location of a different ListBox. The following Microsoft Knowledge Base Articles describe exactly what I want to do, except that they are for pre-.NET. How To Arrange Order of...more >>

hi, I have a problem with the datagrid. How can I intercept the change of a single cell ? I have tried with the method currentcellchanged but it doesn't work correctly. GB - Italy...more >>

I have a windows service that want to un-install. When I run "installutil /u serivcename" I get the error that the serivce is not installed on my machine. However, when view the serivce console I still see my service there. What must be done to remove a windows service written in VB.Net from my s...more >>

Although I've been working on this project for 8 months now, I'm still not sure of the difference between ByVal and ByRef. As most objects in VB are reference types, passing ByVal I've discovered allows me to store a reference to the object I passed by val, to change that object and for the cha...more >>

Hi, I have a status bar control on a MDI parent form and I want to change the text on the status bar from a MDI child form. Can anyone tell me how I can do this? Many thanks Richard ...more >>

Hi, Does anybody knows how to run a *.reg-file silently on a computer? I need this to do automatic updates of my application without user-interaction. So I don't want the user to be asked a confirmation before writing everything to the registry, and I don't want a succes-or-error-message at ...more >>

I have a structure: Structure SSHConnection Public EventLogErrors As Boolean Public EventLogWarnings As Boolean Public EventLogInformation As Boolean Public Port As Integer Public ListenAddress As String Public MaxConnections As Integer Public EncAES256 As Boole...more >>

Hey, I'v managed to set the "User Must Change Password At Next Logon" flag on the LDAP protocol, Using the - "pwdLastSet" property - by setting it to - "0" (for on) or - "-1" (for off). The problem is, I dont know how to check what's the current status of this user - When I try and read this ...more >>

Hi all, I'm using component one's flexgrid (nonclassic) and I have a question... How could I drag and drop ROWS??? (from a component with my flexgrid and another component with flexgrid) Thanks a lot, Xavi ...more >>

How can I extend the TreeNode class to add a .tag2 property? I was able to do that, the problem is: how can I tell a TreeView control to use my class (TreeNodeExt) for its nodes, instead of the default one (TreeNode)? Thanks, Marco ...more >>

I need a method to convert Base Metals into Gold. Does anyone have a GetRichQuick Class which I can I InheritRiches from. Or failing that know People who implement a IUCanInheritAllMyMoney Interface. I currently implement the I'DontHaveAnyMoneyFeedback Interface and my Public Property BankAc...more >>

Hi, I need to change the colour of certain items in a listbox depending on criteria I receive from my dataset? How would this be accomplished? Thanks in advance... BM ...more >>

Hi there.. I have made a web applicatoin using ASP.NET which works in a domain based network. I have used Windows Integrated Authenicaion to authenticate users. My Case is : there are three computers, one is my Domain Controlar, second is my Web server and third is user's computer(from ...more >>

Dear friends, is it possible to show the text of a listview column in a vertical manner. I mean, I have to create many, many columns with a large columna name and a very short column content (listsubitem) Thanks...more >>

ERROR after uninstalling SQL Server 2005 Express I get this message, SQLDMO has not been registered. Please re-run your setupand contact your system administrator. GREAT!!! ReInstalled SQL SERVER 2000 after playing around with SQL Server 2005... Snap In Failed to Initialize, Name: Sql...more >>

I created a a VB.Net application that includes different projects. When copying the files (created when built the solution) from the BIN folder to the application folder (under IIS) I got this "Access is Deined" error on the files with a PDB extension. I'd appreciate any help. ...more >>

I have 5 checkboxes on a form, and a checkbox.checkchanged event to handle all boxes: Private Sub CheckBox1_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged, CheckBox2.CheckedChanged, CheckBox3.CheckedChanged, CheckBox4.CheckedChanged...more >>

Hello, I have a problem whereby I have a datagrid and and extra field all bound to the same dataset. I can easily edit rows in the dataset by changing the bindingposition in the MyGrid_currentcellchanged event of Mygrid, using the following function Private Function GetBindingPositi...more >>

just seen this blog http://weblogs.asp.net/hpreishuber/archive/2004/07/05/17306 7.aspx ...more >>

Hi, I am trying to figure out if it is possible to hook into events of a latebound object, for instance say I had the following code: Dim objExcel as Object objExcel = createobject("Excel.Application") How could I trap the application_beforerightclick event?. Early binding is not an opti...more >>

Hi, I would like to know if it is possible in VB.NET (or another language) to detect if a monitor is attached to the PC and depending that to launch another application. Could someone please enlighten me about this?...more >>

How to customised crystal report by passing parameter... Posted Via Usenet.com Premium Usenet Newsgroup Services ---------------------------------------------------------- ** SPEED ** RETENTION ** COMPLETION ** ANONYMITY ** ---------------------------------------------------------- ...more >>

Hi, I can't figure out how to convert this to VB.Net (without using a horrible loop). The code below declares a string, then sets it to "**********". Is there a method hiding somewhere to do this VB.Net? Thank you Peter Dim s As String s = String(10, "*")...more >>

Hi I have stucked up on a problem.... I am developing an application in VB.NET Here I have to put a button on a form and by clicking on that button, an exe should run. see the code I am using... ------------------ Private Sub btnstartgalciv_Click(ByVal sender As System.Object, ByVal...more >>

I was looking at one of the Microsoft VB.net sample apps and I couldn't believe what I was seeing: apparently in VB you can declare an event with the name X and refer to it in code with the name XEvent. I right-clicked on the event reference in code (XEvent) and of course the IDE didn't know...more >>

I have the following code: Private Sub Bold(ByVal sender As Object, ByVal e As System.EventArgs) Handles mnuFileBold.Click If mnuFileBold.Checked = True Then mnuFileBold.Checked = False ElseIf mnuFileBold.Checked = False Then mnuFileBold.Checked = Tr...more >>