Hi all, I have a scenario that I need to create a global object to pass as a parameter to a thread(since you cannot pass parameters directly to threads). After I'm done with the thread, it exits, but how do I kill the global object that I have just created, as it is eating away memory. T...more >>

Can you encrpt a serialized object? Or am I trying to do something that just doesn't work that way? I am trying to encrypt a serialized object. I can read and write the object to a file without a problem(IF I don't encrypt it). The encryption routine I am using works great when I am just ...more >>

Using VB 2005 beta 2 1. If I have a connection string of "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|\Database\TAM.mdb;Persist Security Info=True", what directory will this point to once the file is compiled and running on a user's system? 2. What path will the following ...more >>

I have a couple spyware bots I loaded on a test machine. While I was watching the spyware infect the system I noticed that it was launching a process but it was not listed in my task Managaer under processes. I know the process is running because the firewall is detecting it. Does anyone have...more >>

If I open a Command Prompt window and with the Alt key enter 222 then 223 then 224 so the window shows ??? If I then copy that to the clipboard and in my program do Case DataFormats.OemText Dim bDataO As DataObject = Clipboard.GetDataObject() If bDataO.GetDataPresent(DataFormats.OemText, F...more >>

Hi This question has just occurred to me and I'm hoping somebody can help me. Suppose I have a table in an Access database. I have access to this table via a data adaptor i.e. I create a data adaptor to the table, create the update, delete etc. commands using a command builder and then fil...more >>

Hello, I´m trying to access to an event of a listbox, thats inside an user control. Whenever the listbox changes a value I need to rise an event. Is there a way of doing this? MyUserControl > 1 textbox > 1 Listbox MyForm > 1 MyUserControl (here, in my For...more >>

It's easy to disable the Minimizebox and Maximizebox because they are members of the form, but how do I disable the Closebox or whatever it is called??? (Why are some things so hard to find out?) Why isn't there a "See Also" topic for this. Why isn't there a named member for this? Thank y...more >>

Hello All, A couple of weeks ago, I undertook to write a utility that would loop through various URLs and test whether they were valid. I got some good help from this list, and was able to write the utility. Now, I have run into a problem that is difficult for me to solve. It is this: ...more >>

I find a solution to inverse quickly boolean i use Select case myBoolean Case true myBoolean = false Case False myBoolean = true end select but i can remember there is a quickly way... ...more >>

I setup an OleDbDataAdapter and DataSet on my form without having the wizard "save" the connection password. I expected that I'd be prompted at run time, but that's not happening. The OleDbDataAdapter.Fill(DataSet) command throws an exception.. null password. How do I make VB.NET prompt for the ...more >>

I've got a number of tabs with text boxes on them. When you hit the last textbox on a tab, it checks to see if the next tab is a valid destination, then goes to it if so. Unfortunately, when this happens, both the Enter _and_ Leave events of the first textbox control are fired, causing all so...more >>

I found out today that vb.net 2005 will support 'Form1.Show()' without having to initialize the Form1 object as with the case in C# or the current version on vb.net. Isn't this going to be a step backwards for vb.net? Wouldn't this pose a problem? Any Thoughts? Kill me now if this ha...more >>

I need to ...more >>

Hi, I have a asp.net (vb) that has a lot of fields and somewhere in the bottom of the page I have a RadioButtonList with AutoPostBack set to true so we can enable/disable other controls. The problem is that when this happens the user is sent to the beginning of the page and needs to scro...more >>

I am trying to convert a C# .NET wrapper for Microsoft's unmanaged 'cabinet.dll' to Visual Basic .NET and have hit a stumbling block. Here is the C# code that I am trying to convert: [DllImport("cabinet.dll", CallingConvention=CallingConvention.Cdecl, EntryPoint="FDICreate")] private ...more >>

In parsing a string that contains HTML, I need to return the text between each word "characters" and the first "&nbsp" after "characters". There can be any number of these patterns in the page. I believe I would use the MatchCollection class. But I'm having difficulty forming the RegularExpre...more >>

Hi, I'm loading html help pages in a webbrowser control which is in my main form. It works fine as long as I work in the main form. However if I open a dialog box form from the toolbar, the webbrowser doesn't navigate to the wanted html file. Why? is it because the main form doesn't have the fo...more >>

For a Windows project in VB.NET 2003: I need a Calendar that’s much larger than the MonthCalendar control in the toolbox; it needs to fill the whole screen (at least approximately ). VB won’t allow me to change the Size Height or Width Properties. I see that you can size a Calendar co...more >>

Hi, I don't want to use Autoscroll as I want the user to scroll up and down whenever he wants. So i've added a VScrollbar to my form but nothing happens when I move it. How can I scroll the form as I move the scrollbar? Thx ...more >>

HI, I am attempting to write to the StatusBar on MyForm from within a class that I wrote. In the following code, VB does not like 'MyForm.StatusBar1.' VB states, ' Reference to a non-shared member requires an object reference.' Can you explain what VB is telling me and how can I resolve this...more >>

Hi, I created a datatable (dt1) of 3 columns A, B, C, and I want to copy this datatable into another datatable (dt2) but without the column B. How to do this? Thanks in advance...more >>

Greeings all, I am unable to complete adding a Data Adapter to my application in VB .net. 1) I drag the adapter on to the form, 2) I select 'New Connection,' connect to the database table using Jet 4.0, then test connection....to this point I am good. 3) Next Page, I use SQL Statements 4) ...more >>

hi, How can I fill some DataTable by clicking in cells of a DataGrid control? NOTE: I don't want to select a entire row, ok? I must select only one or more cells... I have a DataGrid that have some data that I must select what I want and then by clicking in a Button it will create some ...more >>

I downloaded VB.net express edition 2005 beta. My problem is when I created new datasource and open the "Change data Source" dialog box SQL server doest show as a choice. Only choice i have is Access Database File et SQL Server Database File. My SQL server is SQL Server 2005 CTP. On the oth...more >>

I encryted a serialized binary formatted object. Now I can't figure out how to deserialize it so that I can decrypt it. I used this code encrypt and write it out: Dim fe As New MortgageFileWriter.FileEncrypt Dim myBuffer As New IO.MemoryStream Dim OutBuffer As New IO.MemoryStream Dim ...more >>

When creating a new region for a control via a GraphicsPath object, it appears the entire rightmost column of pixels and bottom most row of pixels are not included in the region. I will try to clarify with some ASCII art. Imagine a GraphicsPath describing a 4x4 pixel square with rounded co...more >>

Hi, I can probably use "Shell" function to open an app with a switch to open a selected file. But is it possible to read the application that a file type has been associated with to determine which application name to pass to the "Shell" function? I am trying to emulate the user double c...more >>

Hi all : I want to add button , dtpicker and combo box into datagrid. I don't want use 3rd party and I want write my own columnstyles. any reference / site to teach me how to do it ? Thanks for your help ...more >>

(applies to Windows Form .NET 2003) I'm filling a datagrid from a Datatable and applying a DataGridStyle. The Source Fields are "Name", "Value", "Locked" and the Style's Columns are "Name", "Value" Depending on the "Locked" field in the source... I want the "Value" cell to be readonly ...more >>

At times due to 3rd party software limitation, passwords are stored in some text or ini files. i want to know what are the classes or methods to use to "prove" that file is OPEN, not necessary changed. When a file is open, i want to write to event logs or send email to the owner. i know ...more >>

I have a ListView in my application. It is populated on Form_Load thru a For Each Loop and in the loop I add a Button to a cell on each row. This works perfect. I have an update button beside the ListView that, when clicked, starts a new thread that reads thru a bunch of files and emails.....more >>

I have a form that calls ShowDialog on a number of different forms at different times. I want to be able to know anytime the form loses focus. But Form.Focused isn't ever true once a control has focus and Form.Leave does not fire when showdialog is called on another form. Anyone have any ...more >>

I have an annoying teenager who wont go to bed because he is allways on his computer. I want to write a windows service which will shut down his computer at night and not allow this to be restarted until the morning. So I have decided to try and write a windows service to do this. Stage one ...more >>

Using VB2005 Beta 2. I have a form that uses a small webbrowser control to display information to the user. I need to have the webbrowser control scroll to a certain position for each of the other controls on the form. I had this working with a richtextbox, but needed to change to a webbrows...more >>

Hi, I'm looking for good guides about these arguments (possibly in VB.NET): 1) IBindingList interface implementation (with Filtering and Sorting examples); 2) ITypedList interface implementation (with examples); 3) PropertyDescriptor inheritance and PropertyDescriptorCollection usage in ...more >>