Windows 消息框架： SDK教程

关键字：WindowsSDK 消息机制

http://www.codeproject.com/Articles/599/Windows-Message-Handling-Part-3

Handling Messages in SDK applications

Windows Classes and Window Procedures

DefWindowProc

Sending Messages

LOWORD and HIWORD macros: Split up lParam and wParam

MAKELPARAM and MAKEWPARAM macros: concatenate two 16-bit values

Dialogs

User-defined messages

Registered Windows Messages