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Delphi Multithreading Example (Using Critical Sections)

This Delphi VCL application demonstrates multithreading with two threads competing to update a user interface containing progress bars and labels. The example highlights the use of critical sections to ensure thread safety during UI updates.

Screenshot of Delphi Multithreading Example

Features

  • Two Threads: Both threads attempt to update four progress bars simultaneously.
  • Critical Sections: Uses TCriticalSection to prevent concurrent access to the UI.
  • Thread Synchronization: UI updates are managed with TThread.Synchronize to maintain thread safety.

How It Works

  • The application starts two threads when a button is clicked.
  • Each thread updates the progress bars and a label, with each progress bar incrementing by 5 until reaching 100.
  • Critical sections ensure that only one thread can update the UI at a time, preventing race conditions.
  • Once both threads complete their tasks, the button is re-enabled.

Watch the Demo

Check out the demo video on YouTube: Delphi Multithreading Demo

Getting Started

  1. Clone the repository.
  2. Open the project in Delphi RAD Studio.
  3. Run the application.

License

This project is licensed under the MIT License.

📧 Contact

Discord: BitmasterXor

Made with ❤️ by: BitmasterXor, using Delphi RAD Studio