| Syntax: | Default: |
| /W[0|1|2|3] | /W3 |
Use /W to set the severity level of messages the compiler produces, which causes the error count to increment.
By default (/W3)), the compiler produces and counts all message types (severe error, error, warning, and informational).
You can set the following severity levels:
| /W0 | Produce and count only severe errors. |
| /W1 | Produce and count severe errors and errors. |
| /W2 | Produce and count severe errors, errors, and warnings. |
| /W3 | Produce and count all message types (severe error, error, warning, and informational). |