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BillWagner merged 2 commits into from
Dec 12, 2024
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display options control in table #43946

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display options control in table
timdeschryver Dec 11, 2024
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Update docs/csharp/language-reference/compiler-options/errors-warning…
timdeschryver Dec 12, 2024
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25 changes: 14 additions & 11 deletions docs/csharp/language-reference/compiler-options/errors-warnings.md
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---
# C# Compiler Options to report errors and warnings

The following options control how the compiler reports errors and warnings. The new MSBuild syntax is shown in **Bold**. The older *csc.exe* syntax is shown in `code style`.

- **WarningLevel** / `-warn`: Set warning level.
- **AnalysisLevel**: Set optional warning level.
- **TreatWarningsAsErrors** / `-warnaserror`: Treat all warnings as errors
- **WarningsAsErrors** / `-warnaserror`: Treat one or more warnings as errors
- **WarningsNotAsErrors** / `-warnnotaserror`: Treat one or more warnings not as errors
- **NoWarn** / `-nowarn`: Set a list of disabled warnings.
- **CodeAnalysisRuleSet** / `-ruleset`: Specify a ruleset file that disables specific diagnostics.
- **ErrorLog** / `-errorlog`: Specify a file to log all compiler and analyzer diagnostics.
- **ReportAnalyzer** / `-reportanalyzer`: Report additional analyzer information, such as execution time.
The following options control how the compiler reports errors and warnings.

| MSBuild syntax | _csc.exe_ syntax | Description |
| ----------------------- | ----------------- | ------------------------------------------------------------------------------------------------- |
| `WarningLevel` | `-warn` | Set warning level. [More info.](#warninglevel) |
| `AnalysisLevel` | / | Set optional warning level. [More info.](#analysis-level) |
| `TreatWarningsAsErrors` | `-warnaserror` | Treat all warnings as errors. [More info.](#treatwarningsaserrors) |
| `WarningsAsErrors` | `-warnaserror` | Treat one or more warnings as errors. [More info.](#warningsaserrors-and-warningsnotaserrors) |
| `WarningsNotAsErrors` | `-warnnotaserror` | Treat one or more warnings not as errors. [More info.](#warningsaserrors-and-warningsnotaserrors) |
| `NoWarn` | `-nowarn` | Set a list of disabled warnings. [More info.](#nowarn) |
| `CodeAnalysisRuleSet` | `-ruleset` | Specify a ruleset file that disables specific diagnostics. [More info.](#codeanalysisruleset) |
| `ErrorLog` | `-errorlog` | Specify a file to log all compiler and analyzer diagnostics. [More info.](#errorlog) |
| `ReportAnalyzer` | `-reportanalyzer` | Report additional analyzer information, such as execution time. [More info.](#reportanalyzer) |


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docs/csharp/language-reference/compiler-options/errors-warnings.md:33 MD012/no-multiple-blanks Multiple consecutive blank lines [Expected: 1; Actual: 2] https://github.com/DavidAnson/markdownlint/blob/v0.36.1/doc/md012.md
> [!NOTE]
> Refer to [Compiler options](index.md#how-to-set-options) for more information on configuring these options for your project.

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