Cornelius Concepts archive
Tag : threading

Preventing Multiple Application Instances in Delphi with TMutex

Categories: Programming, Windows
Comments: No Comments
Published on: October 20, 2015

Having worked in Delphi for many years, I’ve seen the development tool and it’s RTL evolve significantly, yet remain resilient in backwards compatibility. Early on, to prevent your application from running multiple times, there were generally two different approaches: Search for the name of your app’s main form by name, or Search for a “mutex”[…]

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