Additional Information: Im using Visual Studio 2008 (VB) I have experience with C# I cant see where to define the Main Sub, here is my problem: I created a WindowsApplication in Visual Studio, it created a Form for me, when i click 'View Code', something like this appears.
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I have a settings form and a main form the main for collects information from the settings for and stores it into variables (public XXXX as string) but on my Save button it is supposed to save the information in the main form and show the main form. But it get an error on the first line containing: "MainForm.VARIABLE", The innerMessage says it cant create the form or something, but here is the code from my save button:
(I know that this isn't the right block of code because this doesn't really show anything, but if anyother code is required then just tell me and ill post it. The error actually occurs on "MainForm" itself, how do i fix this?)
Error is: An error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object.
Dim r As New Random
MainBot.Max = txt_Max.Text
If RB_Manually.Checked = True Then
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I have a solution with more than one project and the main project contains buttons to open forms from different projects that are in the same solution. Say Project1 is the main project and Project2 is the different project that gives the following error when i compile it:
Error 3 'Sub Main' is declared more than once in 'SystemInformation': SystemInformation.Program.Main(), SystemInformation.My.MyApplication.Main(Args() As String) System Information II
I have already seen other threads with this question but it does not work for me because i have more than one project.For Project2: Application Framework is disabled and the startup object is "SubMain".
What does it mean?What is the difference from WindowsApplication.exe?
View 1 Replieshow can I add a spreadsheet into my form
View 3 RepliesI would like to know the correct procedure to deploy windows application in VS-2005.
There are some specific issues I am facing after deploying the project to the client machine.
- I have a CMS (ContextMenuStrip) in one of my forms associated with a TreeView and its not showing.
- Another form that contains a custom DataGridView which i created by subclassing default DataGridView is not showing this control.
DETAILS:-
- Everything works fine on my machine.
- I BUILD the project in the RELEASE mode
- From the bin\Release folder copied the .exe to the client machine in the root, also copied the Reports to the root on client. Is this correct way to deploy?
- Instead of setting the CMS property of the TreeView, I instantiated a CMS in my form, assigned it to CMS property of TreeNodes when TreeNodes are populated programmatically.
i wanted to know the primary output and other types of files listed when u add project output what exactly they are how they r used.Another thing what comes under detected dependencies.?
View 4 Repliesi have created a windows application, which contains buttons that open up a new browser and points it at various different links, here's a sample of it, from the top :
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I am studying Visual Basic How to Progra by Deitel on my own. I am a beginner. My last two programs I have received the error message: Sub Main() not found. I am certain that I typed it in underneat Module Comparison. The program will not run.
Could it be a naming problem? If so can I correct it without re-typing the entire program.
I am using 2008 Visual Basic Trial Edition. Would it be better to use 2010 Visual Studio Professional?
My app works fine on the development machine and 3 other machines. However, some machines just show the main login box and then fail to show the main screen. There is no error message. I installed VS 2008 express on on of such machines and when i compile the project, the following errors appear:
Type 'Microsoft.Office.Interop.Access.Application' is not defined.
Type 'dao.DBEngine' is not defined.
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What I have is a user control that has two RichTextBoxes. In the user control, there is RichTextBox1's TextChanged event, I want it to set RichTextBox2's Text to the same as RichTextBox1's Text, I'm currently using: RichTextBox2.Text = RichTextBox1.Text. The user control is on the main form, when I run the application and type I get this error: StackOverflowExecption was unhandled. [Code]
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View 1 RepliesI made a birthdaylist. You can store birthdays in it, and it will alert you on the day a person has his birthday. To do that the program has to startup when the computer starts up, and give the alert if neccesary and then close itself again. This all works, but the mainform is visible in that period.
View 5 RepliesI'm trying to go to a different form my main form and while I'm using the selected form I want the MainForm to hide. I've put the code MainForm.Hide() at the top of the code of the JobInformationForm where I'm directing the program. I thought this would cause the MainForm window to hide. However, I'm getting an error saying Declaration is Expected. How do I use this MainForm.Hide() feature?
View 3 RepliesI have mainFom and a subForm. what I am trying to do is application startup MainForm is Loaded
(2) in the Load event of mainForm. I am creating the SubFom and made it visible and also making MainForm disable
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I have a MainForm which has tab Control and several independent form. I open each Individual From in the tab of the main form. A "Close Tab" button on the MainFrom closes the current tab, its implementation is below.
This closes the current tab but what I also need is to dispose the From whose tab is closed but I am not sure how to get the instance of the form.'[code]...
Is it possible to position a messagebox in the center of your MainForm instead of the center of the computer screen? This is really confusing for beginner computer users, if your mainform will be in the top left corner and the message box in the middle of the screen, it won't be very clear that the messagebox belongs to your application. (well to us it is, but not to old people).
View 3 RepliesI have done programs in the past with VB6 using the winsock control to receive data to be processed. I would like to do the same thing in vb.net but I am having problems. I have done numerous searches and consulted numerous books and articles, but haven't found the best approach for accomplishing the following.
I would like from 1 to 20 clients to be able to send a string to the server to be processed. It would be nice to if the clients could connect to same port and use async processes to open/accept more connections. One of the books (Visual Basic 2008 Recipes) has a recipe for creating "Multithreaded TCP Server that supports Asynchronous Communications".
I am trying to base my program off of that example and modify it for my application. The problem I am having is how to share data with the Main form and the classes that handle the communications. The TCP class has two classes contained in it. One class for listening for connection, beginning the accept client and the other class (clienthandler) for completing the connection and getting the data. I would to be able to get the data from the clienthandler class and post on the main form. I have trying to have a public property for the data but I think my confusion comes in because the clienthandler would be created new for every new client. The mainform would not know how many of the new clienthandlers were created etc.how get the data to the main form and clear the data when done. I have even considered putting data into MSMQ and having main form pull data out.
Currently, I have a LoginForm that authenticates a user and it works fine. I have a MainForm, which is displayed if a valid username and password is entered. I have done this by using the following code in my LoginForm:Private Sub OK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
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Now this does exactly what I want except I fear it's a work around and it's not the best approach. Also, note that I am using Me.Hide() to hide the LoginForm, is there a way to show the MainForm and then close the LoginForm instead of hiding it? Doesn't Me.Hide() call creates an overhead?
frmMDI is the main form, I want to be able to open a child form but change the mainmenu to go with that form. I am having a heck of a time getting this to work.
When I close said childform i want the main menu to revert back to the starting mainmenu.
I have 2 FormsOne is my mainform, one is a "child" form.The childform has no control box.he mainform has a toggle button to show and hide the childform.
Private Sub ButtonShowHideChildForm_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonShowHideChildForm.Click
If ChildForm.TopMost Then
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How could i set all subforms' icons inheritate from mainform icon?
i tried this - me.icon = form1.icon - in the subforms, but is not working.
I'm creating an app, with a splashscreen, loginform (just enter a name) and a mainform.With I use my.settings. Now here comes the issue I run into.The splashscreen should check (onload) if the my.settings.user contains any info, if it does, the mainform should be shown, if not the loginform should be shown. On my app settings I have splashscreen set to the splashscreen and the first form is set to login form.
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I've made an app with vb 2010, which holds a mainform. On it is a menutoolstrip with button, when I click on that button a second form is opened on a second monitor and the button is being checked (different color).
When I click the button again, it is unchecked, but the form on the second monitor is still open, while it should be closed.
Here is the code I use:
CODE:
I know one can select Spash Screen as the application startup as per this illustration. I can't do that however because the application is called by another program which passes in parameters via Process.Start(). Depending on the passed in arguments, I need to either
Go Directly to the MainForm or Go First to a Splash Screen which will then to the the Mainform after 5 seconds.
I definitely need Step 2 above because of the slow startup time of creating an SocketConnection and the population of some Custom Controls only after the Socket connection has been established.
Would I use a startup class or module and then use that as the application startup 'form' which could be establishing the SocketConnection while also launching a Splash Screen?
What I'm trying to accomplish is for the user to select a menu item(New Tester) from the MainForm(only used for menu)to open the NewTesterForm and enter a rating from 1 to 10( 10 being the best) for two different drinks. When the user clicks the ok button on the NewTesterForm it adds the new rating to the totals. It keeps adding the rating totals until a user clicks the cancel button which returns to the MainForm. When the user clicks on the MainForm menu item Summary, The SummaryForm opens and displays:
-average rating for each drink which drink had a higher rating(the name of the drink)the total number of testers
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I am having trouble with the scope of some of my variables. I declare some structures in the load event of my Splash Screen.
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How do I make a splash screen with a progressbar that value changes base on the MainForm_load event? Example:When the mainform finished executing part of mainform_load, the progress bar in the splash screen changes to X value (eg 50)When mainform_load is executed completely, the progress bar moves to 100%, the splashscreen closes and mainform opens.
View 1 RepliesI been trying to create a section for my program to change the backgroundimage property of the main form. let me show the code: (some parts may be bad written but I was trying to try to find the problem) this code is a click event from a button
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I had a blue screen of death while debugging my program and, after rebooting and restarting MS Visual Basic 2010 Express, I tried to reopen my main source file but got this error:
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