Hello, I'm thinking this may be an easy one but I am getting frustrated. How can I detect if a process is showing a modal dialog. Like "Are you sure you want to exit?", or an error message etc... I stumbled across the GetWindow API but am unsure how to work it properly. The only examples I ...more >>

Is there any way to run through all controls on a form using a For Each loop? Say I want to clear all textboxes on a form...what's the best way to do that? ...more >>

There seems to be a limitation to drawing on a form that is set to 300x300. The problem is I can't seem to figure out how to expand that so eve if I make the form bigger the drawing only shows up on that 300x300 space. Is there any way to expand that?...more >>

How can I ensure that a program on one computer will look the same on another computer with different screen resolution settings? TM ...more >>

When I attempt to view additional pages in this newsgroup I get a message that the newsgroup is not available. I don't have this problem with other newsgroups. Any clues would be appreciated. This message has been present for the last 2 or 3 days. While I'm whining, I get a message t...more >>

Hello, I want to bind an ArrayList to a Dropdownlist. How can I do this? Thanks for any help, Jack ...more >>

Does anyone know how to run MS Access reports from VB.net. I'd like to keep the existing reports in the database if I can. Thanks David ...more >>

I need to convert a byte array to a string and pass it as a parameter in a URL and then convert it back to the original byte array. However, its getting scrambled in the conversion. In short, here's the code: ====================================== Dim textConverter As New ASCIIEncoding Di...more >>

Hi I Am Juan Carlos I have a Text File, and convert the text File to Pdf File with GhostScript My question is Who knowing when to the file this totally created? I am open pdf file with acrobat reader but show error,beacuse, the file not that full created thanks for your help ...more >>

I have some questions regarding Modal forms and would appreciate if someone could clarify my understanding. (a) I observed that the modal form's Form_Closing event is generated if I set the modal form's Visible property to False or call its Hide method. Is this true? or is it a result of so...more >>

Hi all, I tried posting this Q in Csharp, but they seem to be down right now. (Anyone know why?) Here it goes... I am working on a school project, that includes the control of motors throught motion profiling, and velocity loops. The velocity loop function has to run every 10ms, and pre...more >>

Anybody knows how to accomplish this? ...more >>

Hello, I am working on a class that will be called from multiple forms, which will start a timer count down 15 min. When there is mouse activity the timer is reset to 15 min. This way if a user leaves the program open and leaves there desk it will save and lock, making them reenter there ...more >>

Hi, What is the common way to have a wait( ) type of function in VB.net ? TIA -steve ...more >>

I have a VB6 client app that I send data using the winsock control. Buffer = "<xml>" & _ "<command>GetSomething</command>" & _ "</xml>" & vbCr Buffer = StrConv(Buffer, vbUnicode) 'Winsock 0 is the gateway socket If Winsock(0).state = sckConne...more >>

How in the world can I launch a msc file from a visual basic application. I've tried Shell which is only for EXE files I've tried a process which should do it, but does not. Please help....more >>

Hello! I'm trying to work on a database for someone and they're having a few troubles getting things working. They use to have this program on another older computer but they recently got new computers and just copied and pasted this database from their old computer to the new one. What...more >>

Hi all.. i am responsible for coding a project that uses Microsoft.Ink namespace, but i don't have this namespace. Looking in google i found that this namespace comes with a microsoft tablet package. Where can I download this? Thanks, Andre...more >>

I have an array of bytes that contains a bitmap file. I want to convert the array into IO.Stream and load the image using MyPictureBox.Image.FromStream(MyStream). How can I do the conversion? Thanks....more >>

Hello, I currently have an app that accesses a web page and I scrape the screen and parse the returned text to find the elements I want off of the page. My question, is this a good method of doing this or is there a better method of getting at particular elements of a web page? Is there a way to...more >>

Hello, I need to draw some text on a form. No problem .... e.Graphics.DrawString(drawString, drawFont, drawBrush, x, y, drawFormat) My problem is that I want to draw the text on top of some label controls. Is there a way to do this using the Graphics DrawString method? Is there a way ...more >>

I am really confused ! - Form1 uses an openfiledialoag to get a public strfilename. - Forms 2 and 3 both connect to the database specified in the file name. The connection string is shown below. Intermittently, the connection string disappears from either Form2, Form3, or both. When I get...more >>

Hi, I've got a datagrid and a dataset used as the datasource. I'd like to do a test, if the index of the selected row in the grid is greater than the dataset.tables(0).rows.count. The problem is that if I edit the last row of the grid, a new row will be added below and to the dataset. Therefore...more >>

Hello, I have created a project on my computer (ASP.NET) which connectes to a remote database. All the code is local to my machine. I need to move this code to another developer, so they can continue the work. How would I do this? Zip up my directory in c:/inetput/wwwroot/<project n...more >>

Having recently had a need to use ZeroMemory from the kernel32.dll, I "discovered" that there is apparently no .NET equivalent to the c/c++ sizeof operator -- one does exist in the Marshall namespace, but it fails when passed a managed type. I poked around the Reflection namespace, but found ...more >>

hi what is the equivalent of "unsigned char*" of c+ in VB i know that unsigned char == byte in VB but what about unsigned char* == ???? thx -- -------------------------------------------- giving up is not an option...more >>

I am working on upgrading my application from VB 6.0 to .net and I have module set as a startup. There is a warning that application will terminate when Sub Main finishes and recommendation to move code to Load event, but in module there is no such event. (I am not intending to terminate applica...more >>

Hi, I have a BaseClass-DerivedClass Instance-Issue. Classes: (Framework) Stegosoft.Settings.SerializationClass Stegosoft.Stegosuite.Common.UIStrings (Inherits Stegosoft.Settings.SerializationClass) Stegosoft.Windows.Forms.UIForm Stegosoft.Windows.Forms.UIFormWithCommandManager (Inherit...more >>

Hi, I need to write a VB.NET-application (Windows Forms) that may have a part of it (re-)implemented as a Webpage for the customers. I think it can be usefull to create a business Layer with Remoting or a XML Webservice, and than write my Windows Forms application that uses it. and than may...more >>

Hi, I seem to be having a problem with a DataAdapter against an Access database. My app deletes 3 records runs a da.update(dt) where dt is a data.Datatable. I then proceed to update a list to reflect that the 3 items have been deleted only to discover that the 3 items appear, however when I cli...more >>

Hi I need to call methods from office apps from my vb.net app. Some of my clients are still on office 2000 so to maintain compatibility I can not use office 2003 PIA. Can I avoid the whole PIA route by using late binding? Could someone please give me an example of using late binding for cal...more >>

Hello, I have an app that starts in sub main() I am making a new instance of a form so it can be displayed. It compiles fine but when the program is run the form shows up but then a split second later closes itself. Why is this? Code below: Public Sub main() Dim MyNewForm As New...more >>

Is there a way I could enter a username and password in a windows form then take that and cause it to open a website up in IE and "post" the information to a site so i can cause that site to log in useing this information? ...more >>

Hi I am designing a brand new vb.net application. My aim is to have the main app as a shell only and all real functionality is provided by plug-in modules. Modules are to be loaded at runtime depending on which modules are present. Modules also need to communicate to the main app to display...more >>

I have an application with a menu system which creates a new thread when a menu item is selected - some of these other threads may open a form for user interaction. Before the menu system is closed, I want to check that no other forms are open - on any thread. Is there a way of checking f...more >>

I have searched the Internet looking for an example on how to code a IE custom toolbar in VB.net without success, I want to create a custom toolbar for our internal users and external users in vb.net and am looking for any hints/tips/suggestions/pointers and would greatly appreciate a vb.net exa...more >>

User A and User B modify the same record, UserB save first. As User A save it , I will get the concurrency error. I know I can use Try ..... dsTable.udpate() catch err As DbCurrency messagebox.show("UpdateFailed ") end try However, How can I let User A know "User B save the same record ...more >>

Hi, How do i enable XP Style controls in my VB .net application? At the moment they look like standard old style buttons and scroll bars. Rgds, Dan ...more >>

I am trying to enumerate the users of a system from within my app (VB.NET) Not finding any .Net Framework classes to do this I turned to the Win32 API and NetQueryDisplayInformation. I can't get it to work from within VB.NET however. I found the following KB article from MS http://support.m...more >>

Hi All, We are in the process of developing an N-Tier app using VB.NET. We are extensively using classes (entity objects) in our design. Further, most of the times, we do have to specify nested types within our entity classes. For example Public Class Country ID as short ...more >>

Hi, I followed this example in MSDN: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dno2k3ta/html/odc_VBNETcallsVBA.asp And i correctly get a word window with the mail merged document. However i also get the original document displayed... I just want to view the mail m...more >>

I am using vb.net I have written my own usercontrol button. I am writing a usercontrol toolbar using these buttons. I have written a collection class (Button Collection) to contain these buttons. On my toolbar control I have this code:- <DesignerSerializationVisibility(DesignerSerializationV...more >>

Hi all, In VB.NET I want to use access MS MDB database, and use following code. .... Dim myConnection As OleDbConnection .... But the compiler warns me that 'undefined type OleDbConnection', is there anything missing? -- Best regards, RL ...more >>

I found this simular code: http://www.c-sharpcorner.com/Intern...ghOutlookCB.asp and this work partly... with this code i can save the mail in the draft folder. But i can't get it to display to the user. mailitem.display does not seem to work. so now i'm searching for a way to open of focus...more >>

Try DB_DataAdapter.Fill(dt) Return dt Catch ex As Exception Console.WriteLine(ex.ToString) Finally DB_Command.Dispose() DB_DataAdapter.Dispose() End Try The above code is within a function call, wi...more >>

SELECT @sql = 'where voucherno =' + quotename(@voucherno,'''') + ' and recid = ' + str(@recid) As I print the above statment to check , the syntax is correct Where voucherno ='GL123' and recid = 123 However, I got this error "Unclosed quotation mark before the character string 'and recid = ...more >>

Hi, This will hopefully be an easy question for everyone apart from me. I am building an app for my pocket pc - how can I move from one form to another with a click of a button control. thanks doug ...more >>