What is the Alternative to Application.Restart() in VB.NET ?

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.NET2.0

if i use Application.Restart then it's Shuts down the application and it does not start a new instance immediately. why it is happening ? i'm using visual studio 2012 and .net 2.0. Please give me a solution. is there any other way to restart vb.net 2.0 application.

Private Sub Button14_Click(sender As Object, e As EventArgs) Handles Button14.Click
        Application.Restart()
    End Sub

Below is the ApplicationEvents.vb file content

Namespace My
    ' The following events are available for MyApplication:
    ' 
    ' Startup: Raised when the application starts, before the startup form is created.
    ' Shutdown: Raised after all application forms are closed.  This event is not raised if the application terminates abnormally.
    ' UnhandledException: Raised if the application encounters an unhandled exception.
    ' StartupNextInstance: Raised when launching a single-instance application and the application is already active. 
    ' NetworkAvailabilityChanged: Raised when the network connection is connected or disconnected.
    Partial Friend Class MyApplication
    End Class
End Namespace

Posted 2-Apr-15 22:00pm

dipankarnalui

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Sascha Lefèvre 3-Apr-15 4:16am

Do you have a singleton-instance check in your application? (Does it check on startup whether it is already running and quits in that case?)

dipankarnalui 3-Apr-15 6:09am

Thank u..

4 solutions

Solution 4

In my case, this it not the single-instance-check but the localisation of the EXE on the net.

I' working at home and my executable is on a server in my company

When i copy the executable on my computer, it works fine !!!!!

Cleraly a quetsion of delay or localisation.

Posted 28-Oct-22 0:06am

Member 15812477

Updated 28-Oct-22 0:46am

Solution 3

Yes sir, i had an event on form close event. I removed that code. Now it's working fine. Thank u all... Thank u so much.

Posted 3-Apr-15 0:08am

dipankarnalui

Solution 2

The reason is most probably that you have a single-instance-check in your application startup-code. Obviously the application has to restart itself while it is still running, so there's a small timeframe in which the old application is still running and the new instance is starting up, but immediately quitting because of that single-instance-check. My proposed solution: In case your application detects an already running instance of itself, let it sleep for 1-2 seconds (or longer, if your application needs time to shut down) and check again after that delay - and then only exit if the other instance is still running.

Posted 2-Apr-15 22:41pm

Sascha Lefèvre

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dipankarnalui 3-Apr-15 6:08am

Thank u ...

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E.F. Nijboer · Accepted Answer · 2015-04-02T22:27:00

Solution 1

Reasons for restart to fail:
You have an event on form close event that prevents shutdown/restart.
You have a check that allows only a single instance of the application.

Solution: Remove the handlers and remove the single instance check before calling restart.

Good luck!

Posted 2-Apr-15 22:27pm

E.F. Nijboer

Comments

dipankarnalui 3-Apr-15 6:07am

Yes sir, i had an event on form close event. I removed that code. Now it's working fine. Thank u all... Thank u so much.

E.F. Nijboer 3-Apr-15 12:06pm

Great! Happy to help you out :-)