Read windows programming (4)

"In hellowin, winmain only contains the registration window category. It creates a window to retrieve and send messages from the message queue.ProgramCode."

"All actual actions of the program occur in the window message processing program. In hellowin, there are not many of these actions. wndproc simply plays a sound file and displays a string in the window ."

"What Windows programs do is to respond to messages sent to window message processing programs. This is one of the major conceptual difficulties. Before you start writing a Windows program, you must first understand it ."

"Both Windows 98 and Windows NT are priority-based multi-task environments. This means that when a program is working for a long time, Windows allows users to switch control to another program. This is a good thing, and the current Windows is superior to the previous 16-bit windows ."