Windows and Messages

The following sections describe the elements of an application with a Windows-based graphical user interface.

Name	Description
Windows	Discusses windows in general.
Window Classes	Describes the types of window classes, how the system locates them, and the elements that define the default behavior of windows that belong to them.
Window Procedures	Discusses window procedures. Every window has an associated window procedure that processes all messages sent or posted to all windows of the class.
Messages and Message Queues	Describes messages and message queues and how to use them in your applications.
Timers	Discusses timers. A timer is an internal routine that repeatedly measures a specified interval, in milliseconds.
Window Properties	Discusses window properties. A window property is any data assigned to a window.
Configuration	Describes the functions that can be used to control the configuration of system metrics and various system attributes such as double-click time, screen saver time-out, window border width, and desktop pattern.
Hooks	Discusses hooks. A hook is a point in the system message-handling mechanism where an application can install a subroutine to monitor the message traffic.
Multiple Document Interface	Discusses the Multiple Document Interface which is a specification that defines a user interface for applications that enable the user to work with more than one document at the same time.