37 Interactive Technology Team

Jan 4, 2023 · Backend Development

Extending the NSIS Inetc Plugin to Add Download‑Progress Callback

The article explains how to extend NSIS’s Inetc plug‑in by adding a /callback switch, storing the callback address, pushing total size, downloaded amount and percentage onto the NSIS stack after each buffer, and invoking the user‑defined function to update a progress bar during downloads.