C/C++ Compiler (cl.hlp) (Table of Contents; Topic list)
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Warning Level 4 (/W4)
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─────C/C++ Compiler─────────────────────────────────────────────────────────
 
     Warning Levels determine the type of warning messages the compiler
     produces.
 
                  ┌────────────── Level 4 ───────────────┐
     ◄Level 0►    │  Displays extra warning messages,    │
     ◄Level 1►    │  which support very detailed (lint-  │
     ◄Level 2►    │  like) warnings and ANSI violations. │
     ◄Level 3►    │  The command-line equivalent is /W4. │
     ◄Level 4►    │                                      │
     ◄Level 5►    │                                      │
                  └──────────────────────────────────────┘
                                    -♦-