Module notification 

Constants

DWLP_MSGRESULT 🔒

The first slot of a dialog’s extra window memory; windows-sys does not export it.

Functions

notify_code^⚠

The code of an incoming WM_NOTIFY.

query_cancel^⚠

Cancel asks first; a nonzero reply vetoes the close.

reply^⚠

Answers a PSN_* notification with result.

stay^⚠

Refuses to leave the page.