Classes and Broadcasts: Building a PowerShell Module for Instant Visual Settings
summary
Creates a PowerShell module (published to GitHub and the PowerShell Gallery) that actually changes Windows visual effects immediately by combining Win32 APIs, registry edits and Windows broadcast messages; demonstrates Procmon and a tiny Spy++‑like listener to discover which registry keys and WM_SETTINGCHANGE parameters to send, uses PInvoke and PowerShell classes for extensibility, supports PowerShell 5+, and is already running in production to apply presets at user login without logging off or restarting.
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chapters (16)
- 0:00Introduction
- 2:17Manage Windows visual settings
- 5:48Registry keys and effects
- 8:19SystemParametersInfo API
- 10:47P/Invoke for Windows APIs
- 11:49Broadcast messages for updates
- 14:43Monitoring broadcast messages
- 18:40Module architecture design
- 21:56PowerShell classes simplify code
- 26:14Base and derived classes
- 31:16JSON for effect definitions
- 34:09Demo: VisualEffects module
- 37:54Module features and pipeline
- 38:58Production use and presets
- 40:25Extending with registry settings
- 42:54Q&A
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