WM_APCSYSMSG_INSTALLNOTIFY

This message is sent when an install operation begins.

Syntax

WM_APCSYSMSG_INSTALLNOTIFY wParam = 0; lParam = 0;

Remarks

ApcLoad.exe broadcasts this message at the beginning of the install operation. An application should treat this message like WM_CLOSE and exit in response to this message. An application has 5 seconds after the issuance of this message to shutdown completely.