Web Reference: How to make single instance application in Lazarus using package UniqueInstance. Supports Windows and Linux (macOS prevents multiple instances by default). Dec 17, 2017 · This is a windows dependent method for making a single-instance application. Its main virtue is that it protects a database or document file from dual use. But it also protects any configuration files from being changed during use. My application is named CmdData. It manipulates a custom database. Here you will find guides and instructional videos to aide users of Free Pascal and Lazarus. If you have any comments, questions, or requests regarding the content in this section you can use our forums to leave feedback.
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Lazarus Tutorial Single Instance Application Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $32M - $68M
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Last Updated: April 8, 2026
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