Is there a list or a way to get one of the lists in VB.Net to work like the ones in CDBurnerXP?I shows a small icon at the side, then has a title and a little description under that.Have designed a program around this style of list but now when i have came to .net to write it...
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I'm performing some statistics on a txt file that has multiple columns using a collection list (vb.net 2008). My files can contain 100,000+ samples per file. How would I code my function to have it perform work on the first 3000 samples and continue the calculations on every 3000 samples thereafter?
Private Sub decimationButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles decimationButton.Click
Dim lines() As String = System.IO.File.ReadAllLines(inputFileName) '("TEXT_FILE")
Dim list As New List(Of Double())
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I've created a software with 50 textbox and 4 lists how can I do "Save As" "Open" to restore or save them ?
View 1 RepliesI have two list boxes. A users selects a value from each, clicks a button and the application creates a relationship between the two selected items by saving them in an array and displaying the relationship in a third list box.
What I want to allow is for users to be able to drag a value from one list box and drop it on top of another value. I have the code to capture the value of the item dragged but I don't see how to capture the item that the data is dropped onto.
Is there a way to capture the targeted selected item?
I'd like to give a homework assignment to a person learning VB.NET. I'd like it to use basic inheritance and a variety of data structures including queues, lists, arrays, or stacks in a windows forms application. I was thinking of a pizza-ordering application. This would allow them to utilize some basic inheritance and practice using .NET UI elements.
View 2 RepliesI have two lists. One list is a list of names, the other list is a list of how many times each name is found in the first list noted in the database
so...
Nick
John
Jim
Jack
is the firs tlist
10
13
13
2
is the second list. Nick had 10, john 13 and so on.I want to sort the second list from large to small, but have the index for the first list still linked to the correct amount of calls.i do it this way so I can
for x = 0 to num_of_names
string = lst_name(x) & "-" & lst_count(x)
next x
i've been working with multiple forms. here's the situation.. i have 2 forms form1 and form2 every time i show the form2 from the cmd Bttn in form1 then i close and reopen it again it always prompts me with disposal error.
View 3 RepliesI was referred to this forum section for VB2008 questions instead of VB6, so Ill assume this is the right place to ask this question. Yes I copy/pasted.I'm EXTREMELY new to VB2008 and I was basically making a program that is used for "password storage" that will be used only by me, I have made a simple login page that will not allow new usernames/passwords and a simple text box-listbox-add-delete page for submitting and displaying what I wish. What Im trying to do is make it so every time I open the listbox form, you are prompted with the login form. Im not sure of a proper term for this as I just downloaded VB2008 2 days ago.
View 3 RepliesI know how to check whether an item exists in a list using (MyList.Contains), But I do not know how to check the whole list. For example (use one button and one richtextbox):
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i want to put one font dialog and one color dialog in one content strip menu that work in every form i have.
View 1 RepliesI have an issue with my .NET application and it can only be reproduced sometimes and only on client's location, which makes it extremely difficult to resolve. In the application the forms authentication is used. There is a login page to which every anonymous user is redirected. After user enters username and password, it redirects to DefaultURL or some predefined page. The problem is that sometimes when user enters correct username and password, it doesn't login, instead it just refreshes the login page without any error messages. After several tries of inputing username and password, user is able to login to the system.
See my login page Submit_Click code below:
Dim userName As String = tbUsername.Text
Dim password As String = tbPassword.Text
Dim returnUrl As String = Request("returnUrl")
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I'm working on a simple calculator program for work in VB.NET and I'd like it that an operation could be performed without a mouse click and instead by using the Enter key. So essentially I want the segment of the program that is usually run by button to have the ability to be run by the Enter key.I'm using VS2010.This is what I was trying to do but I suppose I'm not doing it correctly because the Enter key does not do anything when I press it.
Private Sub btnCalc_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles btnCalc.KeyDown
Select Case e.KeyCode
Case Keys.Enter[code]....
I am trying to build a program that monitors how other programs are being used and as part of it I need to figure out if it is possible to work out using VB code what window, program or process the user is currently using or Focused on.
View 1 RepliesI hava a form app, that runs hidden, with just a notify icon, the goal is control worker schedule and alert them for some things they have to do.My problem is,when i open a form (with TopMost = True), it works if the user is admin of the machine or domain admin, if the user is "regular" user, the form just don't open or shown to the screen.I believe that it has got something to do with write permissions in the app folder. I have a contextmenu that works great, even restoring the hidden main form, it just doesn't show/open the other form, without any error.Shouldn't .net use the user $temp folder to write something? If not what's the best way for the app use the EnvironmentVariable("temp")?
View 7 RepliesI was working with this control to make multiple pages fit on 1 main window. When clicking a menuitem, the program will go to the correct tab. Now the problem is, i only have the 2 standard tabs.. NOTE: This is NOT the standard Tab control found in VB.NEt 2005 ! Does anyone know how to add more tab pages
View 1 RepliesI have this weird issue:I developed an application with a sequence like this login form -> mainform (=mdi parent) --> some functionform (mdi-child)--> report form
The reportform contains a reportviewer and will display different dataset queries depending on the state of some radio buttons which are located on the previous form ('some function form'). When I run the project directly from the 'some function form' (set startup form for project) things work great. The report shows the correct data depending on choices made on the previous form.But....when I run the project all the way from login and mainform it doesn't work. Seems like the choices made on the "some function form' are not coming through to the report form.
i have finished build a simple inventory program. But this program just only work in single pc not at network. Could any body tell me how to make it work in network (multiple pc in network)?
View 7 RepliesI was sent here by someone else that said someone here might.Below. is the message I get every time I reboot. I am not sure if it's a .NetFrame Work 1.0 or 1.1 error or not. It may be Visual Basic as I really don't know. Also, may be where I uninstalled some program or another the wrong way, by just deleting the folder instead of using the add and remove programs. I did have 1 program uninstall in-correctly by Revo Pro Uninstaller also about the time I started getting this error. But, I do know in the header error box it does say ".NetFrame Work" though... I just adding these suggestion as it might help you know what the problem might be. I have XP Home 2002 with Service Pack 3 installed. I have repaired the .Net FrameWork 2.0, 3.0 , 3.5 and 4.0. I couldn't repair the 1.0 or the 1.1 as I have deleted my temp folders that must have had something the installer needed in them. I tried to repair them with the "Installer" located in the "Installer" folder but it ask for some file in the temp directory that I did not have so I had to cancel the repair.
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I have formA.vb and I added some shortcut keys using the key_up event handler. Before coding the handler I change the keypreview property of the form to true. I added this code :
Private Sub IntRMA_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyUp
If e.KeyCode = Keys.ControlKey And e.KeyCode = Keys.C Then
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I did a function to one of my projects to a DLL file, and when the user starts the function a icon for that function grows (to show that the function is open).When the user closes the function the icon should shrink back again. But i have some problem whit that.The problem is: when i open a other form, the icon shrinks even if i haven't closed the function.What make it strange is that i have 2 function like that, the first one is the one that is behaving like this and the second one works the same way, but the second icon do not shrink when i open a new form. The second icon only shrinks when i close that function.
Here is the code for the opening of the first function:
Private Sub MedlemskortToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MedlemskortToolStripMenuItem.Click
frmm = New Medlemdskort.Form1
frmm.datap = Application.StartupPath & "\database2.mdb"
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hey I have a piece of code which gives fade effect to a form at load eventBut it works only with normal forms and doesnt work for the forms which gets loaded into a mdi parent form
View 13 RepliesI have a form created in VB.net. It is used to get some information form a user. The form is not bound to any data source.
A combobox on this form is used to enter a cost. I want the value entered by the user to be displayed using currency format. I have used the Format String Dialog that opens from the ellipses button on the FormatString property of the combobox and selected Currency. This put C2 into the FormatString property.
When I run my application, this format is not applied to the value entered into the combobox at the time the number is entered or when I leave the combobox.
I set the HourGlass, disable the button (to avoid ppl that are too used with FPS games), do the serial communication bit that last a couple of seconds, then the set the mouse back to normal and re-enable the button.And I have a few more like those through the software using text boxes or drop-down menus.[code]My form is set in design time to be KeyPreview = True and I even tried to set it again after the Click. The routine is simply not called and the ESC key on the keyboard does not hide the form anymore.
View 1 RepliesBasically on form2 i have a listbox. And on form3 i have 6 listboxes. I want listbox 2 to equal listbox (a listbox on form3) my current code does not work Private Sub formAustralia_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
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Add a new report to a windows forms project. Now add the table data region from the tools. If you don't already have a strongly typed dataset displayed in the data sources view, get that ready. Now do the tried and true easy-to-use trick of dragging a field from data sources onto the table's details row.
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I am currently making a game with multiple levels when you complete one level the form hides and shows the form for the next level. But the keydown event doesnt work on the second level. How can I make it work?
View 1 RepliesI have a test app driven by bluetooth serial events In my form load code I hide the cursor so it doesn't get in the way of pictures (fullscreen) When one event is called by bluetooth, it brings up a msgbox and the user has to click OK. I tried Windows.Forms.Cursor.Show() but it doesn't work.
I'm guessing it's something to do with delegates and events and the form, but the debugger doesn't complain at any point. It just refuses to show the cursor. How can I get my serialport event to show the cursor? And then hide it after?
I have the following code and I can't get the lost focus to work.
Private Sub txtSpeed_KeyDown(ByVal eventSender As System.Object, ByVal eventArgs As System.Windows.Forms.KeyEventArgs) Handles txtSpeed.KeyDown, txtSpeed.LostFocus
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I am trying to make a program that allows me to operate a program while I am not around (kind of like a bot) because I need to move alot of things and do the same motion over and over.
So in my program's settings I have made a form that is transparent that I want to set my working area with (i wont be resizing the form, it's size is "975, 575") and save the forms Top, Left, Bottom, Right positions so I can create a macro for my mouse to click.
how to save a forms position on the screen? So I can use it to set a working area?
I just want to save its current location to 4 variables
I found that when group by multiple values does not work well with VB.NET, but it works well with C# ,here are my code, is there something wrong with my VB.NET Code? Here is my VB.NET code:
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