Startup Next Instance - Calling Sub?
Aug 8, 2009
Basically I have a single instance project, when a user right clicks an image it trys to host it. I use this code.
Code:
Private Sub MyApplication_StartupNextInstance(ByVal sender As Object, _
ByVal e As StartupNextInstanceEventArgs) _
Handles Me.StartupNextInstance
e.BringToForeground = True
MainForm.Visible = True
[Code] .....
The msgbox is only there to show me I caught the arg. My question is how can I use this info in my application? Every google link is red. I need to add the DIR varible to txtFilePath.Text and then call my sub Call UploadPicture()
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Aug 2, 2010
this might be a really dumb question, but if someone could enlighten me I'm writing a Winforms application in VS2008 vb.net.The application starts with a main form. I've got a status bar at the bottom of the main form, indicating the application status. I've got a 'SetAppStatus' method on the Main form.
I'm writing a class that needs to update this status. So in the class I'm Importing the Main Form. But I don't know how to call this SetAppStatus method because I don't know what the instance of the main form is called Plus am I doing this the right way? I'm still grappling a bit with how .NET all fits together and it can get a bit baffling :)
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Jul 14, 2011
I`m a beginner in programming and i`m having problems calling an instance of my nested classes. I`m using VB.net and my code is something like this
[Code]....
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Aug 27, 2010
Is it possible to prohibit an instance of a class from calling a shared/static method?
For example:
I want to allow this:
ClassName.MethodOne()
But I want to disallow this:
Dim A As New ClassName
A.MethodOne()
The reason this is desirable is that in this case it is semantically confusing if an instance can call the method.
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Mar 9, 2009
[Edit] See this post as to why I'm declaring form elements globally. I chose to rewire my code to get rid of the global definitions. [End Edit] I'm creating a from dynamically at runtime. the form, all buttons, and the combobox are all declared globally to the parent form. dim myForm as new form
[Code]...
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Sep 26, 2010
Use the "new" keyword to create an object instance & Check to determine if the object is null before calling the method. I'm reading text from a text file using the following [Code]
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Jul 16, 2009
The first sub calls LoadRaceTimer without a problem. The second results in a "object reference not set to an instance of an object" error. I can't for the life of me figure out why. All three are in "Public Class MainScreen".
Private Sub SessionsBrowser_DocumentCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles SessionsBrowser.DocumentCompleted
...
LoadRaceTimer()
[code]....
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Jun 13, 2012
I call the function GetDataTable and when it gets to the return line, I get the error message: Object reference not set to an instance of an object.
Dim DB As New DBConn
Dim gd As New DataAccess.GetData
Dim DT As New DataTable
[Code].....
Updated. I'll see if I can update with the DataAccess.GetData code. I didn't originally put it in there because our shop use it all the time and have no issues with it.
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Jun 20, 2010
I can hide my startup form (or make it appear hidden) on startup. I can start my app on windows startup--through registry values--if the user checks a checkbox.
But if the app starts up on windows startup, I want the form to be hidden, so the program can just keep working without bothering anyone. If it starts up because the user started it, I want the form to be showing, because the user probably wants to change some settings or something.
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Mar 4, 2010
How to make an Application to startup at the system startup? and How to enable and disable?
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Nov 11, 2009
i deleted my previous start up form to be replaced by another one but each time i launch the application,the deleted start up form is still displayed.i dont know from where this deleted start up form is being loaded.
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Jun 24, 2011
I have following instance of System.Collections.Specialized.NameValueCollection:
Dim UserSelection As New System.Collections.Specialized.NameValueCollection
UserSelection.Add("D_Color1", "Black")
UserSelection.Add("D_Color2", "Green")
UserSelection.Add("D_Color3", "Purple")
I need to save this instance to hard disk and then load it back from hard disk as an instance. How do I do that?
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Aug 4, 2010
D is a dictionary whose entry values are of Type T..What I'm attempting to do is have a delegate like "Serializer" below that I can invoke on an instance of T, such as "Entry.Value" below.Please see the "return Entry..." line below for my wishful thinking.[code]
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Aug 30, 2011
I am looking for a way to make my app running in a single instance mode and showing the MainWindow of the first instance when another instance is launched.I do a quick search on the internet but I did'nt find anything to open the MainWindow of the first instance or it was for Windows Form not for WPF.
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Jul 15, 2011
I have a single instance VB 2010 application I know how to communicate with the next instances run through the StartupNextInstance application event. The usual way of working with this is parsing command line arguments of the new instance and continue execution of the old instance. What I would like to do is replace the running instance with the new one. Is there any way to do this other than disabling the single instance property ?
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Jul 29, 2010
A while ago, I wrote a web-based guestbook application that wrote it's own database.
My code was very amateurish, but, as it was my very first publication, I was very happy with it. Only about a month after I'd published it did I realize I'd made a huge mistake in the code.
I've only ever connected to a specific named instance of SQL Server, and it occurred to me that, if the SQL Server instance has a different name than the one I specified, it wouldn't work.
So, since my users will probably not know what the name of the instance of SQL Server that's running is, I thought adding a field where the user can specify it would help if they do, but what if they don't? My answer was to get the local instance, regardless of name.
I tried Data Source=.local;, Data Source=.; and other variants, but nothing worked.
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Feb 29, 2012
I was trying to fill 10 checkedlistboxes with items..So I made a sub with 2 arguments like this Private Sub fill_checkedlistboxes(ByVal items As String, ByVal checkedlistbox As CheckedListBox) End sub the first argument items is a long string whitch splits in the sub into many strings and added them all into the second arguments (thecheckedlistbox) I want to make for next statement to fill all the 10 checkedlistboxes in my form with an 10 long strings held in an array called strings, so i write something like this [code] What i have to write in the "?????" area to have the checkedlistbox that i want? the checkedlistboxes names are checkedlistbox 1, 2 , 3 ....10
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Sep 1, 2011
I have no problem doing a select statement from a database and displaying it.An I have no problem inserting data into a sql database table. However with this issue I have to grab the data an insert it into a totally different SQL 2005 instance.
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Feb 8, 2012
creating single instance form in MDI Application. How to check whether form's instance created or not?
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Sep 2, 2009
Currently I am useing the following code which I found on these forums. I get pretty good use of it. I would like to be able to open my own instance of IE and populate it. I am trying not to populate any other minstances of IE that may already be open.
[Code]...
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Jan 23, 2009
I am using the IndexOf function of the string class to find a specific instance of a string. And based on that I have a logic to do something. Below is the example of what I am doing. The code is in production and is working fine. But for some instance I am getting an "Object reference not set error". Yeah its intermittent.The requestXML is a string of xml data passed in as a paramter to a subroutine. I am fetching the xml string as a form post in a request object. The only thing I could think of getting this kind of error is when the requestXML string varia
requestXml = Request("requestXML")
SubmitRequest(requestXml)
Private
Sub SubmitRequest(ByVal requestXml
[code]....
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Oct 8, 2010
I want to make an app which you make a password and username and use it for the app but I only want this screen to open the first time you load the app so after the first load it goes right to the login screen
[Code]....
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Aug 30, 2010
How can I add my application in startup items? I want my application to get added in startup when setup is run at Client's computer.
Also, how can it be automatically started after setup finishes?
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May 23, 2011
As usual, I change the startup form under Application tab. At this time, it doesn't run my selected Startup form. Whatever I set to any forms or even excluding that form, it still runs the same form.
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Mar 31, 2009
Is there a way to get the name of startup form? I want to access a property of a control that is on startup form.
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Jul 28, 2010
VB2008 application.
Using a splashscreen.
When the spashscreen is done, the main menu for the program appears.
The problem is that the main menu appears UNDER things already open on the desktop.
Always On Top could be the answer BUT if I do that, all sub-menus will be UNDER the main menu rather than stacked on top.
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Jun 7, 2011
friends Im using vb2005 an am BEGINNER in programming and I need to no how to remove my app from startup programs I use this code to add my app to startup programs so how to remove it?
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Oct 30, 2010
I continue to get this error when using the code samples from Cengage's book Zak's Programming with Microsoft Visual Basic 2008. I am running Visual Studio 2010.I am attaching the code below:
Option Explicit On
Option Strict On
Option Infer Off
[code].....
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May 26, 2010
A program that will start at startup. How do i do. I dont want it to be in autostart folder casue it got many dll´s and its not a god idead to create a chirtcut in the autostart folder either.
Ive tried with the registry key but the program need to run as admin to write a key and i dont want the program to ask everytime you start it: Run as admin?
So how to do like msn and that stuff that runs automatic?
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May 16, 2011
I'm supposed to invoke the click event for the two default radio buttons when the form first appears on the screen and I did that but its giving me the following error message when I run the form.A startup form has not been specified.url..
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