I'm using Visual Studio .NET 2002 I remember there was a way to do this in C, so there should be a way of doing it in .NET: Instead of: Dim bolSquare1 as Boolean Dim bolSquare2 as Boolean Dim bolSquare3 as Boolean | | | Dim bolSquare9 as Boolean Is there some way of doing it like th...more >>

Dear all, How do I get information if Shift is pressed in a mouse wheel handler. Thanks, Boni Sub MouseWheel(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) 'mouse whill handler If SHIFT is pressed and e.delta..... End Sub ...more >>

I have a program that is printing PDFs and to check that the PDF is complete we run the following code after we are done printing. lpsProcesses = Process.GetProcesses For Each lpsProcess In lpsProcesses If lpsProcess.ProcessName.CompareTo("Acrobat") =...more >>

I wrote a small program a few years ago, and am not just trying to update it. When I try to debug I get the error message: Could not copy temporary files to the output directory. The file 'keycapture.exe' cannot be copied to the run directory. The requested operation cannot be performed on...more >>

Hi everyone! I need to show an excel chart in my application. I can open an excel file and make the chart, but I want to show the chart inside my form insted of the excel GUI. I use the PrintPreview command, but it open another window for the excel application with the chart. Can I do that,...more >>

Is this the best way to see if a DOS executable is running? I tried getting process window titles but it takes longer and the window title could be any number of different names. I'm a little worried about my program corrupting the executable using the code below. Or should I not worry? The D...more >>

In "Vs2005 RTM" I've tried to use the reportviewer in localmode creating a report.rdlc. I want to fill data only by code (eg. i don't want to create a tableadapter). Does anyone have examples about this task, or generic examples about new reporting features in Vs2005? ...more >>

Hi, I'd like to make sure that only one instance of my app is running per User Session. In addition this has to work with user rights and in a Windows 2k/2k3 and Citrix Terminalserver environment. The code I'm using prevents the app from creating a second instance on a TS. What do I hav...more >>

How do I keep a control from flickering while its updating? -Lou ...more >>

Hello, I have a combobox which is bound to a dataset with 2 columns. 1 column is a description and the other holds the id. I keep getting an error when trying to extract the underlying value. What is the proper way to extract the valuemember value? Can anyone help me out with this issue...more >>

Hi; I need to detect the window's user's my documents directory and the available space on that drive. I'm trying to do this in vb.net. Segue....more >>

Hi I had a sheridan grid in VB6 and code like grid.RemoveAll worked just fine. But when I use the Sheridan grid and the same code in VB.net I get the error An unhandled exception of type 'System.Runtime.InteropServices.COMException' occurred in mscorlib.dll Additional information: Method n...more >>

Can anyone tell me how to get the current color of a combobox's button? I have a custom control that I want to look similar to a combobox. It contains a button control that I want to look like the button on a combobox. If possible, I would also like to get the arrow image that is used on th...more >>

I am trying to get a faxing routine working, but I cannot get past the error An unhndled exception of the type 'System.Runtime.InteropServices.COMException' occurred in microsoft.visualbasic.dll Additional information: The data is invalid. The code I am using is Dim fxServer As Objec...more >>

I have a text file and i need to be able to insert text into it at specified points. How do i do this?...more >>

This question might be for another group, but since I use vb.net, I thought I'd ask here.... I'm looking to clean up some code. Is there a development tool to tell me which functions are not being used? I know that in C#, the compiler will tell you which variables are not being used. However, ...more >>

i have something where i am parsing information into a csv file with created headers. the script gets replayed as it tests several user profiles. how can i get it to continue writing on the last line (and not rewrite over info.) of the file where it left off? on another note, how to get ri...more >>

Our application was build with VS 2003. I have tried to run it on a computer with .Net 2.0 (but without .Net 1.1 , as it should be used) and I got the following error - System.InvalidCastException: Unable to cast COM object of type 'mshtml.HTMLBodyClass' to class type ''. COM components t...more >>

Hi, I need some advice with a binary column in a DataGrid. Everything seems fine except for one thing. In order to check a box, I have to click on it once to select it, and then click again to check it. Somehow this doesn't seem right. Does anyone know if this is normal behavior for a Da...more >>

Hi all, I have converted an old VB6 app to .NET. The following DLL's are generated which I include in the same directory as the exe. AxInterop.ComctlLib.dll AxInterop.MCI.dll AxInterop.MSChart20Lib.dll AxInterop.MSComCtl2.dll AxInterop.MSFlexGridLib.dll AxInterop.RichTextLib.dll Intero...more >>

I am doing my own PrintDialog, and have placed there a combo with the printer names, as in the PrintDialog provided by VB.NET. Here is the question: how do I open the native windows printer dialog for the current printer, so that my current PrintDocument.PrinterSettings will be set according t...more >>

Hi, I'm new to vb.net and would be grateful if anyone could offer some advice on the best way to approach this problem: I wish to dynamically capture pricing information e.g. 10 stock prices and use this data to generate a number of graphs over time (in real time) of each share price. This...more >>

Dear All, I used to connect to SQL server using ADO in vb6 few years ago. Can anyone please tell me what is the most stable and efficient method to connect to SQL server with VB nowadays? Thanks. ...more >>

Hello guys, I am having a few problems with my Smart device programing.. I am new to it so I am not quite sure if this is the right thign to do. When I click a button and one my forms I want it to open up another form. When the other form opens up as a fixed single (anything for that mat...more >>

Hi The sql command below does not seem to work in SQL Server, can someone show where I am going wrong Select * from users where ref like '*JOH*' order by ref Thanks in advance -- Kevin Martin Motor Trade Technologies ...more >>

Dear all, is it possible to convert string "Blue" into system.drawing.color.blue. Thanks a lot, Boni ...more >>

I am trying to display some database records in datagrid using dataset. the records need to be displayed are couple of thousands, but the records in database that the SQL query needs to exam are more than 70 thousand, and it is really slow to get the dataset ready to populate the datagrid. ...more >>

HI Can someone tell me how to create a new SQL server user with password and default database using VB.Net code Thanks in advance -- Kevin Martin Motor Trade Technologies ...more >>

Hi all, Any ideas about the subject?? thank you in advance. Best regards, Ocurnos....more >>

Hi all, i have doubt in getting the column name of a datagrid. Any ideas? thank you in advance. Best regards, Ocurnos...more >>

I have replaced an older machine with a new one and have moved a VB .Net program that I worte on the old machine to the new one. The program uses a FlexGrid control for displaying some stuff in a tabular manner. After transferring the program to the new machine it doesn't run because it cann...more >>

frmFinApp instantiates, shows, and activates frmSoldLeads, by clicking btnSoldLead. The btnMakeDeal instantiates, shows and activates frmInputDeal and then closes frmSoldLeads btnSaveDeal on frmInputDeal, saves the required records, needs to set the focus bac to the frmFinApp form. Wi...more >>

I get the error message: "Exception Details: System.Data.OleDb.OleDbException: Table 'Hank' already exists." when executing the following code: Dim AccessConn As New System.Data.OleDb.OleDbConnection ("Provider=Microsoft.Jet.OLEDB.4.0; Data Source= c:\My Documents\db1.mdb") ...more >>

Hi, I've heard from groups that listeners to event handlers cause references to be kept alive, if the targets are marked to stay alive. I need to make sure that attaching events to objects will not cause them to be kept open. I created a test which has "target" listening to "source" for eve...more >>

Does anyone have an example or site that has highlighting code for drag and drop both for treeview and listview? I can not find any information on this. I am guessing that you use the LVIS_DROPHILITED const along with LVM_SETITEM in a send message command but then how do you clear Cheers ...more >>

I got an Msdn Universal subscription, single developper (I'm alone). And noticed that I can get a free upgrade to Team Edition when it comes out. I also noticed the difference in price between the Professional Edition Premium (which is basically what I now have) and the Team Suite, it's huge, ...more >>

Got a picture control that contains a bitmap. I want to have a label control located over it with some text that I can change dynamically, but I do not want the background of ther label to appear. That is, I only want to see the text itself overlaid over the picture. I tried to set the backcol...more >>

Hello Everyone, I am using VS 2002 (VB.NET) and have a MDI application in which the user will open several child windows at the same time. I have included a menu Window, which MDIList property is set to True. I also have all the traditional menus included in it (Tile Horizontal, Vertical, ...more >>

Just like the way we set the format for a cell in a excel sheet....how can i format the data in my text box... I want to know how to format a text box for the following data 1. Month/Date/Year = MM/DD/YYYY 2. Time = Hours: Mins ...more >>

Hello. Could anyone please show me an example of how to retrieve a specific line of a text file (say line 3 of data.txt) into a string variable? I have seen many examples on how to dump all the content into a string, and how to read line-by-line consecutively, but how can i read just 1 spe...more >>

How can I perform a SendKeys.Send to the current active application from a windows service? Or is there a different way to do this? I currently receive the following error message: System.InvalidOperationException: SendKeys cannot run inside this application because the application is not h...more >>

I often read a recordset (ADO) into a variant array so that the array can contain text, currency, boolean, etc. VB.Net does not allow variants and the object type gives errors during conversion from VB6. To complicate matters, I also like to make the array 2 dimensions so I can put multiple ...more >>

Hi guys Been trawling for ages now!! Anyone seen any code for working out the best 5 card hand from 7 cards as in Limit/No-Limit Poker. I am doing a project for myself to teach me .NET and struggling. Thought i'd cheat a bit. MC ...more >>

Hi How difficult is it to upgrade a vb2003 database app to vb2005? Thanks Regards ...more >>

How do I reference a method on an open form from ANOTHER open form? What is the correct object reference, assuming the form name frmTest ??? Assume, from frmTest2 I would like to invoke the following method in frmTest1.... ___________.commandbutton1_click(sender,e) ???? -- Fran...more >>

hi, i need to filter (e.g.) the number 149, 1307 and 3100 from a line like this one: <td id=l2 title=149>1307/3100</td> so i will be able to split that string with reg.split() and receive an array with the 3 values in it somehow... or does that only work with reg.match some way? as yo...more >>

hi, i was wondering if anyone knew or know of a website that could help me with this. i want to use the new version of the Direct X SDK to create like 3D graphics and stuff for my windows form but i have no idea how to go about it. like i want to create and use things that thy have for example...more >>

I've manually created a database (based on the Manage a Music Collection ... article on theMSDN site) with three data tables. I then populated the tables with data. When I preview the data, I see the data I entered on all three tables. So the data and the data tables must be there. I the...more >>

i need to print Groupbox(this include some Label)in my form. Thanks....... ...more >>

Seems that Dot.net can not handle files of Indexed Pixel Format as well as other types of formats. Given a file or and Image of type Indexed Pixel Format is there a method to convert it to some other pixel format? Thanks ...more >>