Message Management

13 Oct 2001 | by | Filed in
Page 1 of 10
  1. Introduction
  2. WM_USER and WM_APP
  3. Registering Window Messages
  4. Guaranteeing uniqueness
  5. Defining Messages
  6. Passing pointers in messages
  7. Sending messages across threads
  8. Hazards of cross-process messages
  9. WM_COPYDATA
  10. Sending messages to views

Introduction

There are two kinds of messages which you, as a programmer, can defined. The first kind is the compile-time-constant variety. I have found, after years of experience, These Are Not Your Friend. I'll nonetheless describe them as many people still prefer them, but as a matter of opinion I avoid them as much as I can. The second kind are messages which are guaranteed to be unique within a system. I much prefer these, and use them exclusively.

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