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## Summary of the Pull Request This PR makes passing arguments from a new instance to the existing one more resilient: - Fixes situations where `x-cmdpal://` links might not work as expected. Instead of performing the intended action (e.g., `x-cmdpal://background` or `x-cmdpal://settings`), they could incorrectly just summon the main window. - Refactors the `AppInstance.Activated` handler to be synchronous. - The handler blocks `AppInstance.RedirectActivationToAsync` in the caller. - If it runs asynchronously (or offloads work to another thread, including the UI thread), the calling instance may exit too soon, preventing the activation arguments from being read. - Adds a timeout and ensures the semaphore is always released so the application can exit gracefully under all conditions. - Adjusts handling for cases where the source application exits before passing arguments by lowering the log severity to **Warning** and providing a clearer, more descriptive message. <!-- Please review the items on the PR checklist before submitting--> ## PR Checklist - [ ] Closes: #xxx - [ ] **Communication:** I've discussed this with core contributors already. If the work hasn't been agreed, this work might be rejected - [x] **Tests:** yop - [x] **Localization:** no need - [x] **Dev docs:** no need - [x] **New binaries:** none - [x] **Documentation updated:** nope <!-- Provide a more detailed description of the PR, other things fixed, or any additional comments/features here --> ## Detailed Description of the Pull Request / Additional comments <!-- Describe how you validated the behavior. Add automated tests wherever possible, but list manual validation steps taken as well --> ## Validation Steps Performed Tested with x-cmdpal://settings under normal conditions, and with CmdPal deliberately slowed down to take its sweet time handling the arguments (so the calling instance times out).
PowerToys Source Code
Code organization
The PowerToys are split into DLLs for each PowerToy module (modules folder), and an executable (runner folder) that loads and manages those DLLs.
The settings window is a separate executable, contained in settings-ui folder. It utilizes a WebView to display an HTML-based settings window.
The common contains code for a static library with helper functions, used by both the runner and the PowerToys modules.