Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.

Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).

Qt 6.11 is out! See what's new in the release blog

how to make the App run with Single Instance

Unsolved General and Desktop

3 Posts 2 Posters 562 Views

B Offline
B Offline
Blackzero

wrote on last edited by

#1

Hi.
I want my application to not run twice, if the application is already open it will issue a warning that the application is already open when you want to open it again, is that possible in qt5 c++?
1 Reply Last reply

0
C Offline
C Offline
Christian Ehrlicher
Lifetime Qt Champion
wrote on last edited by

#2

See for example QtSingleApplication.
Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
Visit the Qt Academy at https://academy.qt.io/catalog
B 1 Reply Last reply

0
C Christian Ehrlicher

See for example QtSingleApplication.
B Offline
B Offline
Blackzero

wrote on last edited by

#3

@Christian-Ehrlicher I'll try it, is there any other way that is lighter?
1 Reply Last reply

0