Winform project and ClickOnce Deployment

[Sudip_inn]

i used ClickOnce Deployment for my winform project. so when i publish and when end run the exe then he/she get update. i want make provision as a result user can click a button which will show message box where i want to show if any new version exist or not. if exist then i need to show new version too. when user will click on update button then running application will be closed and update will be downloaded and again application will be started.

how can i do it. please guide me to implement this feature in my winform project.

1) how to know any new version exist or not ?

2) if exist then how to show new version no. and how compare my current version is less than new version if yes then i will restart my application.

thanks

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