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how to make the App run with Single Instance

Unsolved General and Desktop

3 Posts 2 Posters 207 Views

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Blackzero

wrote on 2 Sept 2024, 19:34 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++?
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Christian Ehrlicher
Lifetime Qt Champion
wrote on 2 Sept 2024, 19:44 last edited by

#2

See for example QtSingleApplication.
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B 1 Reply Last reply 2 Sept 2024, 19:58

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C Christian Ehrlicher
2 Sept 2024, 19:44

See for example QtSingleApplication.
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Blackzero

wrote on 2 Sept 2024, 19:58 last edited by

#3

@Christian-Ehrlicher I'll try it, is there any other way that is lighter?
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1/3

2 Sept 2024, 19:34