Classes and Broadcasts - Building a PowerShell Module for Instant Visual Settings

Learn to build a PowerShell module that instantly controls Windows visual performance settings without requiring user logoff in this 47-minute conference talk from PowerShell Summit 2025. Discover how to combine Win32 APIs, registry modifications, and Windows broadcast messages to create real-time manipulation of visual settings equivalent to SystemPropertiesPerformance.exe functionality. Explore the technical implementation details as the speaker demonstrates the integration of these different Windows programming interfaces to achieve seamless, immediate visual setting changes. Gain insights into advanced PowerShell module development techniques while examining practical code examples that will be made available on GitHub. Understand the architecture behind creating responsive system configuration tools that bypass traditional Windows limitations requiring session restarts.