Message-Processing Function Descriptions

Table 5.1 summarizes the Windows message-processing functions. Detailed function descriptions follow the table.

Table 5.1. Message-Processing Function Summary
Function Purpose
BroadcastSystemMessage Sends a message to a list of recipients, such as applications, drivers, and so on
CallMsgFilter Activates a message filter (hook) function
CallNextHookEx Passes information to the next hook procedure in the current hook chain
CallWindowProc Passes message parameters to a message-processing function
DefWindowProc Default message-processing function
DispatchMessage Sends a Windows message to the application's WndProc function
ExitWindows Logs off the current user
ExitWindowsEx Logs off the current user, shuts ...

Get Microsoft Windows 2000 API SuperBible now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.