Return To Already Open Application When User Tries To Open A New Instance If Same Version?
Nov 27, 2011
I want to open up an existing instance if my program is already running only if its running the same version.I noticed that this question was asked for only if the name exists, but what if the version is older, I just want to notify the user that an older version is still running, "please remove older version before starting this version."The other link is this one:Return to an already open application when a user tries to open a new instance but they don't talk about closing an instance if an older or newer version is detected.
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Nov 28, 2011
I want to open up an existing instance if my program is already running only if its running the same version. I noticed that this question was asked for only the the name exists, but what if the version is older, I just want to notify the user that an older version is still running, please remove older version before starting this version. The other link is this one: Return to an already open application when a user tries to open a new instance but they don't talk about closing an instance if an older or newer version is detected.
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Dec 28, 2010
I'm making a Visual Basic GUI application to display whether a number of my ports are open for people to know whether things like my website and my Minecraft server are open.My problem is I have absolutely no idea how to do this in Visual Basic.Basically, I'm asking for something which sends a signal to an IP with a specific port, if it is open then return true, if it's closed, return false. Similar to: http:[url]....
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Jul 20, 2010
I need to open a new instance of IE and direct it to a web page when a user takes a specific action.Used are random so setting anything on their machine is not an option.This works great on my local machine in developent but when deployed to my server it fails with no error.I must be missing a permission or something simple understanding that on the server things are run under the ASPNET account.My code is in a code class, myCode.We are in VS 2008 and IIS 6.Tried a couple of different things, they all fail silently.
Imports System.Diagnostics
Imports System.ComponentModel
Dim sWebPath as Sting = "https://mySecure.com/Page.htm"[code].....
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Apr 17, 2012
I have two versions of Excel on my desktop: 2003 and 2010.[code]This works, but it always opens Excel 2003. How can I tell it I want 2010 instead?
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Jun 11, 2011
The company I work for has old databases that were built in Access '97. They've since upgraded to Access 2003, 2007 of course, and are in the process of upgrading to 2010, but a couple of databases still only work in '97.
I'm tasked with trying to find a way to make sure the database is only opened in Access '97. I can easily open up an instance of Microsoft Access using VB and I know how to check which version is open in the code as well, but I'm wondering if there is a way to specify which version I need to open in the code. I'm using Visual Studio 2010 and would be willing to use C# or C++ if it's "easier to do"/"only possible" in one of those languages.
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Jul 30, 2011
I have several excel sheets which I'd like to work with different Excel versions using VB.NET Basically, I want to choose which Excel version I will open certain worksheet using VB.NET. Is there any way to know which Excel version is installed in the machine and how many versions with VB.NET? And how do I choose which Excel version I will open it?
I'd like to know it through programming, I know that this can be done if you take a look at the registry keys in the machine. Although, what I need is to create a software that asks the user for the Excel version he want to open
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Sep 7, 2009
I managed to create an application that is listed in the 'open with' list only in debug version. Means, when I right click on a file extension and select "open with..." I get the 'choose program' dialog and can browse for my app, nothing impressive. The weird part is, that when I enter the path to the debug version of my program is works, and when doing the same to the release version my app is not even listed, it is simply not shown...
Does anybody know what it needs to make a simple VB.net app be listed here, any fancy debug/release setting?
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Aug 1, 2009
I used to take the word count of many document by using the microsoft com component But the problem is used to open a document and and take wordcount and close it .This process take long time as i have to open a winword and kill the winword for a document .Can any one fine tune my code so that it would make the process much more faster than mine
Public Class WordCount
Dim appWord As Word.Application = New Word.Application
Dim aDoc As Word.Document
[Code].....
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Apr 26, 2004
I am using the following code to open an MDI form from a parent form...
[Code]...
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Jan 18, 2012
Form does not open correctly on second instance
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Jun 7, 2011
Actually i am a PHP/Mysql developer.i am newbie to vb.net and i am trying to develop a application which asks for a password when the user tries to open any.exe file
for example:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[code].....
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Nov 12, 2011
How to open an application from 1 button (not to open the application, only to select it)
Example: 1 button> when it press to display only .exe file for choose
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Nov 13, 2010
I have a question that I hope to find a much more simpler solution to.I have two forms in my program which are named Main and Second. The Second form has several textboxs, buttons (some disabled) and comboboxes. When the Second form is opened via the Main form on the very first instance, everything works fine.
However, if I re-open the Second form after previously closing it, the disabled buttons are no longer disabled and the text controls and comboboxes show the previous values entered from the first instance which I do not want. How can I ensure that the Second form will be opened "clean" every time.
Currently I have to add instances to the onload event to do this to ensure that the form is cleared on the second instance.textbox1.text = ""textbox2.text = ""textbox3.text = ""button1.enabled = False
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Oct 24, 2008
I'm having a hard time getting this code to work, here's the code, I'm trying to open an instance of explorer.exe in a vb.net panel. Imports System.Runtime.InteropServices
[Code]...
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Mar 17, 2009
I have a program that runs some data manipulation on a file when it is double-clicked and then displays this to the user.However, when I double click on the same file type of a different file it opens in a separate instance of my program instead of the same instance already running, i.e. some message that says would you like to reload file, YesNo, and then given the answer perform the action required.I have found some code to stop a second instance from opening, but this is inconvienient for the user to close out of the program everytime they want to view a new file.[code]
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Feb 23, 2009
How I Can open the same form in my application one time only can not open the form tow time in same time
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Jul 12, 2011
I design photo viewer app using this code
[Code]...
now how to make my photo viewer open when user open drive C and get all photo in the drive to be shown in it ?
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Apr 11, 2010
I have a main page. How can I open a new web page (Url assigned in code) and get the return URL back in VB event when the page is closed.I have used a regular Button control to open the page with desired url: Button1.Attributes.Add "onclick", "window. showModal Dialog('" & url & "')")but I don't know how to get the REtURN URL from this page.
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Jul 13, 2010
If cmOptions.Visible Then
Return
End If
I have a refreshing process that updates a listview every ten seconds. If the context menu is open for a selected item it should return and not refresh?
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Jan 8, 2009
I would like from a certain url, to launch an excel file, have the user fill some cells and then return the value to a database by aspx perhaps.
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Mar 18, 2012
Why can't I get error msg and return focus to btnOpenFile when no file has been selected. If file is selected all is good. I think I need some error cheching here..right?Class Open (open File dialog)
Public Class Open
'set up class open file to be reusable
Public Sub OpenFile(ByVal OpenDB As System.Windows.Forms.OpenFileDialog)
OpenDB.Title = "Please Select a File."
[code].....
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Mar 11, 2010
Private Sub LinkClicked(ByVal sender As Object, ByVal e As EventArgs)
Dim link As HtmlElement = WebBrowser1.Document.ActiveElement
Dim url As String = link.GetAttribute("href")
[code]...
Okay so here's the question how do I get the links that open in a new window to open in my main webbrowser control. The above code does some, but it's not fool proof.
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Mar 6, 2012
Why would a .sln solution file open and appear empty in Microsoft Visual Basic 2010 Express - i.e. no windows showing projects and code files etc.When I inspect the file in a text editor, it contains references to vbproj files (which are present) which indicate that it should not appear as empty.No error messages are reported when the file is opened.
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Feb 11, 2009
I would like to open the excel file after create the excel file. The creating file function is done, but the system unable to open the excel file. My coding as below:
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
Dim misValue As Object = System.Reflection.Missing.Value
[code]....
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Aug 7, 2011
I've noticed that when you click on a web page in Windows Explorer, or open a file in general, and the default application to open it is internet explorer, ie opens and opens the file. However, when I tried this on my Web Browser it opened, but ignored the file and went on its usual routine. How can I get my Web Browser to open and open the file that was clicked on in explorer?
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Sep 4, 2009
May i know how to code to enable users to drag picture into the picturebox and be able to open the picture automatically once the user let go of the mouse click event, but if the user leave up the mouse click button on the main form then a msgbox will pop up saying this is not the correct place to put in the picture and the form will not be able to open the picture.
[Code]...
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Apr 28, 2011
I saved a file with the extension .doc. I use the RichText to write and save the text. I did not set any encoding type when I saved it. When I tried to open the file in the Richtextbox again, I got all the formatting characters in the RTF file. How do I correct this? How do I open and re-open a .doc file in the Rich Text box control without the formatting showing up in the box with the document contents?
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May 11, 2010
im having a slight problem with my open file dialogue box, i need to be able to open the dialgue box, and click the file and open in my pdf reader, or at least load it to my other form ive created. what ive go so far:
[Code]....
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Jul 7, 2009
Questions regarding progress bars. to start i would like to say what i am trying to do: i am trying to have my app open a save confirm message box open. at this point if the user presses ok then a seperate form will open containing a progress bar to visually represent the status of the file saving. the following code is written in VB 2008
The following code says that if the ok button was clicked then show the form with the progress bar
CODE:
Now this is the code that performs the actions of save... but i am getting an "IOException handler error" saying that the proccess is in use
CODE:
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