I have the following code (listed at bottom of post) that pings a small range of IP address to see which ones are alive. To speed things up a little I am trying to use more than one thread, problem is instead of returning: 192.168.0.1 online 192.168.0.2 offline 192.168.0.3 online ...more >>

I've noticed that if you click on a Windows.Forms.ToolStripButton then a MouseLeave event will not occur until the button is released. ToolStripMenuItems on the other hand will raise a MouseLeave event as soon as the mouse moves outside of the item, even if the mouse button is held down. Y...more >>

Is there a .NET (2003) class available somewhere that might provide a comprehensive task scheduler with a better granularity than the one minute of the built-in scheduler on XP? Even down to 15 seconds would be better than one minute. Sid. ...more >>

Hi, i have some problem to access from code-behind a label nested into a CreateWizard control. I use a html-table for align purpose only. I try to change the text property of the label with ID="UserNameLabel". <asp:CreateUserWizard ID="CreateUserWizard1" runat="server"> <WizardSteps> <...more >>

VS.net 2005 I'm using a bindinglist(of T) to bind to various controls on a WinForm. I use the name/value pairs in the "type" for the displayMember and ValueMember of say a ComboBox control. For example I might load the TermsNumber and TermsDescription from a database into the binding li...more >>

I'm creating a class library (dll) and am confused as how to pass any information, should any exceptions occur, back to the calling application. Such as: Try x = 3 / 0 ' divide by 0 error Catch ex as Exception '(how do I pass ex info back to calling app?) End Try (In VB6 I woul...more >>

I have the following code which I was using to print .pdf's. It worked fine and actually printed the pdf file. Now I want to use the same code to print a .jpg file. When I run the code, it launches the 'Windows Picture and Fax viewer application' and DOES NOT print the actual image. Is t...more >>

I have a bytearray variable and want to create a temporary file on my hard disk from this bytearray so I can print this data. How do I do this?? Thanks, Brad ...more >>

I wrote the following class: Public Class CassPrintComparer2 Implements IComparer(Of ICASSPrint) Private _sortDescending As Boolean = False 'pass true to the constructor to sort descending Public Sub New(ByVal descending As Boolean) _sortDescending = descending ...more >>

Hello, does anyone knows how to know the size in Kb of data stored ina a dataset? Thanks ...more >>

Novice to Visual Studio 2005 - in the past have used VB6, Excel VBA, Access VBA. I want to download a set of data daily from a website which I then put into a text array. This part I've done and it works well. I want to store new data in an Access 2003 database. So daily I want to compare...more >>

When I display my print preview dialog all text and data displays as expected but when I print it some of the text isn't printing. I can't figure out why it displays fine in teh print preview but some text wont print. Can anyone help? Thanks in advance....more >>

Using VB.net, i want to dynamically create a workbook and add a command botton to one of the sheets. how would i do this? I see examples using VBA but i am not able to translate them to Vb.net. Also, after having created the button, how would I be able to define an event for it (such as the clic...more >>

What is the best way to do this? I want to have a child form in an MDI window that can only ever have one instance of open... if one is already opened I want to use that form and not make another... any suggestions? I have one idea but looking to see what alternatives are out there. thanks! ...more >>

Hello, I am new to VB.NET and programming in general. I have taught myself a lot of the basics with vb.net but am still quite the novice. I am working on a little application now and I need some help with one part of the code. When a button is clicked I need to have it go out to a network drive ...more >>

Where can I get the Microsfot.Office.Interop Dll's for work and excel?...more >>

I have an if statement that isn't working correctly and I was wondering how I check for a blank string. My Code Example if me.fieldname(arrayIndex) = "" then ----- end if When I do this and there is no characters in the variable it does not enter my IF statement like I would think it ...more >>

Hello, I have a problem, I have built a vb.net application and deployed. Everything is OK and functioning. But I need a thing: I have to run a vb.net file .exe at the end of setup and show the icon at the icontray at the end of setup. How can I do? ...more >>

I want to dynamically get the control from the event being executed at a particular time. For example, lets say I have the following event. combobox1_SelectedIndexChanged((ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles combobox1.SelectedIndexChanged I don't...more >>

hi fairly new to vb.net . I have created a filesystem where a manager and co workers hve limted access. the manager can read members files. i have used streamreader to get the details from a text file on my c drive into relevent text boxes eg name, address by using arrays. what i nee...more >>

I have a buffer that needs to be locked sometimes, because 2 processes update it. So I made the buffer into a class and whenever there is code that affects it, I sandwich the code between Synclock MyBufferClass ........... End Synclock My question is, what is Synlock protecting? Is it ju...more >>

Hi, I am new to programming with databases and was wanting some help. Is there any way to password protect an access database and access sent sql commands to it via vb.net code? Any help would be much appreciated. Thanks in advanced. Tom. ...more >>

I have a class library developed in VB.NET. Inside there is a form with a button1. I add this class library to a VB6 Project. I do a Dim a as new classlibrary.form1 SetParent a.GetHwnd, Me.hWnd a.show But now I have a question, if the user click on the Button1 in the ClassLibrary, I...more >>

Hi, I would like to ask how to plot graph in vb.net on the interface? Is it possible? Thanks a lot, Ray ...more >>