add ide0280

docs/fundamentals/code-analysis/style-rules/ide0280.md

@@ -0,0 +1,71 @@
+---
+title: "IDE0280: Use 'nameof'"
+description: "Learn about code analysis rule IDE0280: Use 'nameof'"
+ms.date: 07/26/2023
+ms.topic: reference
+f1_keywords:
+- IDE0280
+helpviewer_keywords:
+- IDE0280
+dev_langs:
+- CSharp
+---
+# Use 'nameof' (IDE0280)
+
+| Property                 | Value                                         |
+|--------------------------|-----------------------------------------------|
+| **Rule ID**              | IDE0280                                       |
+| **Title**                | Use 'nameof'                                  |
+| **Category**             | Style                                         |
+| **Subcategory**          | Language rules (expression-level preferences) |
+| **Applicable languages** | C#                                            |
+
+## Overview
+
+This rule flags the use of a literal parameter name instead of the [`nameof` expression](../../../csharp/language-reference/operators/nameof.md) in attributes such as <xref:System.Diagnostics.CodeAnalysis.NotNullIfNotNullAttribute>, <xref:System.Diagnostics.CodeAnalysis.NotNullWhenAttribute>, and <xref:System.Runtime.CompilerServices.CallerArgumentExpressionAttribute> that take a parameter name.
+
+## Options
+
+This rule has no associated code-style options.
+
+## Example
+
+```csharp
+// Code with violations.
+class C
+{
+    void M([NotNullIfNotNull("input")] string? input) { }
+}
+
+// Fixed code.
+class C
+{
+    void M([NotNullIfNotNull(nameof(input))] string? input) { }
+}
+```
+
+## Suppress a warning
+
+If you want to suppress only a single violation, add preprocessor directives to your source file to disable and then re-enable the rule.
+
+```csharp
+#pragma warning disable IDE0280
+// The code that's violating the rule is on this line.
+#pragma warning restore IDE0280
+```
+
+To disable the rule for a file, folder, or project, set its severity to `none` in the [configuration file](../configuration-files.md).
+
+```ini
+[*.{cs,vb}]
+dotnet_diagnostic.IDE0280.severity = none
+```
+
+To disable all of the code-style rules, set the severity for the category `Style` to `none` in the [configuration file](../configuration-files.md).
+
+```ini
+[*.{cs,vb}]
+dotnet_analyzer_diagnostic.category-Style.severity = none
+```
+
+For more information, see [How to suppress code analysis warnings](../suppress-warnings.md).

docs/fundamentals/code-analysis/style-rules/index.md

@@ -132,6 +132,7 @@ The following table list all the code-style rules by ID and [options](../code-st
 > | [IDE0251](ide0251.md) | Member can be made 'readonly' | [csharp_style_prefer_readonly_struct_member](ide0251.md#csharp_style_prefer_readonly_struct_member) |
 > | [IDE0260](ide0078-ide0260.md) | Use pattern matching | [csharp_style_pattern_matching_over_as_with_null_check](ide0078-ide0260.md#csharp_style_pattern_matching_over_as_with_null_check-ide0260) |
 > | [IDE0270](ide0029-ide0030-ide0270.md) | Null check can be simplified | [dotnet_style_coalesce_expression](ide0029-ide0030-ide0270.md#dotnet_style_coalesce_expression) |
+> | [IDE0280](ide0280.md) | Use `nameof` | |
 > | [IDE1005](ide1005.md) | Use conditional delegate call | [csharp_style_conditional_delegate_call](ide1005.md#csharp_style_conditional_delegate_call) |
 > | [IDE1006](naming-rules.md) | Naming styles | |
 

docs/fundamentals/code-analysis/style-rules/language-rules.md

@@ -213,6 +213,7 @@ C# style rules:
 .NET style rules (C# and Visual Basic):
 
 - [Remove unused parameter (IDE0060)](ide0060.md)
+- [Use 'nameof' (IDE0280)](ide0280.md)
 
 ### Parentheses preferences
 

docs/navigate/tools-diagnostics/toc.yml

@@ -1336,6 +1336,8 @@ items:
                     href: ../../fundamentals/code-analysis/style-rules/ide0078-ide0260.md
                   - name: IDE0270
                     href: ../../fundamentals/code-analysis/style-rules/ide0029-ide0030-ide0270.md
+                  - name: IDE0280
+                    href: ../../fundamentals/code-analysis/style-rules/ide0280.md
                   - name: IDE1005
                     href: ../../fundamentals/code-analysis/style-rules/ide1005.md
               - name: Miscellaneous rules