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C# Coding Standards

An opinionated C# .editorconfig
Compatible with Visual Studio 2022, and 2019*.

Table of contents

Visual Studio options

Advanced | Using directives

Description _________________________________________________________________________ Value
Place System directives first when sorting usings ☐
Separate using directive groups ☐
.editorconfig 
dotnet_sort_system_directives_first = false
dotnet_separate_import_directive_groups = false

Code Style | General | this. preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Qualify field access with this. IDE0003 Do not prefer this ⚠ Warning
Qualify property access with this. IDE0003 Do not prefer this ⚠ Warning
Qualify method access with this. IDE0003 Do not prefer this ⚠ Warning
Qualify event access with this. IDE0003 Do not prefer this ⚠ Warning
.editorconfig 
dotnet_style_qualification_for_event = false:warning
dotnet_style_qualification_for_field = false:warning
dotnet_style_qualification_for_method = false:warning
dotnet_style_qualification_for_property = false:warning

Code Style | General | Predefined type preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
For locals, parameters, and members IDE0049 Prefer predefined type ⚠ Warning
For member access expressions IDE0049 Prefer predefined type ⚠ Warning
.editorconfig 
dotnet_style_predefined_type_for_locals_parameters_members = true:warning
dotnet_style_predefined_type_for_member_access = true:warning

Code Style | General | var preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
For built-in types IDE0008 Prefer explicit type 🛈 Suggestion
When variable type is apparent IDE0007 Prefer var ⚠ Warning
Elsewhere IDE0007 Prefer var 🛈 Suggestion
.editorconfig 
csharp_style_var_for_built_in_types = false:suggestion
csharp_style_var_when_type_is_apparent = true:warning
csharp_style_var_elsewhere = true:suggestion

Code Style | General | Code block preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Prefer braces IDE0011 Yes ⚠ Warning
Prefer auto properties IDE0032 Yes 🞅 Refactoring
Prefer simple using statement IDE0063 Yes 🛈 Suggestion
Prefer System.HashCode in 'GetHashCode' IDE0070 Yes 🛈 Suggestion
Namespace declarations IDE0161 File scoped 🛈 Suggestion
Prefer method group conversion IDE0200 Yes 🛈 Suggestion
Prefer top-level statements IDE0210 Yes 🛈 Suggestion
Prefer primary constructors IDE0290 No ⚠ Warning
.editorconfig 
csharp_prefer_braces = true:warning
dotnet_style_prefer_auto_properties = true:silent
csharp_prefer_simple_using_statement = true:suggestion
# Missing: Prefer _System.HashCode_ in 'GetHashCode'
csharp_style_namespace_declarations = file_scoped:suggestion
csharp_style_prefer_method_group_conversion = true:suggestion
csharp_style_prefer_top_level_statements = true:suggestion
csharp_style_prefer_primary_constructors = false:warning

Code Style | General | Parentheses preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
In arithmetic operators: * / % + - << >> & ^ IDE0048 Always for clarity 🛈 Suggestion
In other binary operators: && ?? and or IDE0048 Always for clarity 🛈 Suggestion
In relational operators: < > <= >= is as == != IDE0048 Always for clarity 🛈 Suggestion
In other operators IDE0047 Never if unnecessary ⚠ Warning
.editorconfig 
dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_other_operators = never_if_unnecessary:warning

Code Style | General | Expression preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Prefer object initializer IDE0017 Yes 🛈 Suggestion
Prefer collection initializer IDE0028 Yes 🛈 Suggestion
Prefer explicit tuple name IDE0033 Yes 🛈 Suggestion
Prefer simple 'default' expression IDE0034 Yes ⚠ Warning
Prefer inferred tuple element names IDE0037 No 🛈 Suggestion
Prefer inferred anonymous type member names IDE0037 Yes 🞅 Refactoring
Prefer local function over anonymous function IDE0039 Yes ⚠ Warning
Prefer conditional expression over if with assignments IDE0045 Yes 🞅 Refactoring
Prefer conditional expression over if with returns IDE0046 No 🞅 Refactoring
Prefer compound assignments IDE0054 Yes ⚠ Warning
Prefer index operator IDE0056 Yes 🛈 Suggestion
Prefer range operator IDE0057 Yes 🛈 Suggestion
Avoid expression statements that implicitly ignore value IDE0058 Discard 🞅 Refactoring
Avoid unused value assignments IDE0059 Discard 🞅 Refactoring
Prefer switch expression IDE0066 Yes 🛈 Suggestion
Prefer simplified interpolation IDE0071 Yes ⚠ Warning
Prefer simplified boolean expressions IDE0075 Yes ⚠ Warning
Prefer implicit object creation when type is aparent IDE0090 Yes 🛈 Suggestion
Prefer namespace and folder match structure IDE0130 Yes 🛈 Suggestion
Prefer tuple swap IDE0180 Yes 🛈 Suggestion
Prefer UTF-8 string literals IDE0230 Yes 🛈 Suggestion
Prefer collection expression IDE0300 Yes 🛈 Suggestion
Operator placement when wrapping Beginning of line
.editorconfig 
dotnet_style_object_initializer = true:suggestion
dotnet_style_collection_initializer = true:suggestion
dotnet_style_explicit_tuple_names = true:suggestion
csharp_prefer_simple_default_expression = true:warning
dotnet_style_prefer_inferred_tuple_names = false:suggestion
dotnet_style_prefer_inferred_anonymous_type_member_names = false:suggestion
csharp_style_prefer_local_over_anonymous_function = true:warning
dotnet_style_prefer_conditional_expression_over_assignment = true:silent
dotnet_style_prefer_conditional_expression_over_return = false:silent
dotnet_style_prefer_compound_assignment = true:warning
csharp_style_prefer_index_operator = true:suggestion
csharp_style_prefer_range_operator = true:suggestion
csharp_style_unused_value_expression_statement_preference = discard_variable:silent
csharp_style_unused_value_assignment_preference = discard_variable:silent
csharp_style_prefer_switch_expression = true:suggestion
dotnet_style_prefer_simplified_interpolation = true:warning
dotnet_style_prefer_simplified_boolean_expressions = true:warning
csharp_style_implicit_object_creation_when_type_is_apparent = true:suggestion
dotnet_style_namespace_match_folder = true:suggestion
csharp_style_prefer_tuple_swap = true:suggestion
csharp_style_prefer_utf8_string_literals = true:suggestion
dotnet_style_prefer_collection_expression = true:suggestion
dotnet_style_operator_placement_when_wrapping = beginning_of_line

Code Style | General | Expression-bodied members

Description _______________________________________________ Code Preference ____________ !! Severity !!
Use expression body for constructors IDE0021 Never 🞅 Refactoring
Use expression body for methods IDE0022 Never 🞅 Refactoring
Use expression body for operators IDE0024 Never 🞅 Refactoring
Use expression body for properties IDE0025 When possible 🛈 Suggestion
Use expression body for indexers IDE0026 When possible 🛈 Suggestion
Use expression body for accessors IDE0027 When possible 🛈 Suggestion
Use expression body for lambdas IDE0053 When possible 🞅 Refactoring
Use expression body for local functions IDE0061 Never 🛈 Suggestion
.editorconfig 
csharp_style_expression_bodied_constructors = false:silent
csharp_style_expression_bodied_methods = false:silent
csharp_style_expression_bodied_operators = false:silent
csharp_style_expression_bodied_properties = true:suggestion
csharp_style_expression_bodied_indexers = true:suggestion
csharp_style_expression_bodied_accessors = true:suggestion
csharp_style_expression_bodied_lambdas = true:silent
csharp_style_expression_bodied_local_functions = false:suggestion

Code Style | General | Pattern matching preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Prefer pattern matching IDE0078 Yes 🛈 Suggestion
Prefer pattern matching over as with null check IDE0019 Yes ⚠ Warning
Prefer pattern matching over is with cast check IDE0020 Yes ⚠ Warning
Prefer pattern matching over mixed type check IDE0083 Yes ⚠ Warning
Prefer extended property pattern IDE0170 Yes ⚠ Warning
.editorconfig 
csharp_style_prefer_pattern_matching = true:suggestion
csharp_style_pattern_matching_over_as_with_null_check = true:warning
csharp_style_pattern_matching_over_is_with_cast_check = true:warning
csharp_style_prefer_not_pattern = true:warning
csharp_style_prefer_extended_property_pattern = true:warning

Code Style | General | Variable preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Prefer inlined variable declaration IDE0018 Yes ⚠ Warning
Prefer deconstructed variable declaration IDE0042 Yes 🛈 Suggestion
.editorconfig 
csharp_style_inlined_variable_declaration = true:warning
csharp_style_deconstructed_variable_declaration = true:suggestion

Code Style | General | null checking

Description _______________________________________________ Code Preference ____________ !! Severity !!
Prefer throw-expression IDE0016 Yes 🛈 Suggestion
Prefer coalesce expression IDE0029 Yes ⚠ Warning
Prefer null propagation IDE0031 Yes ⚠ Warning
Prefer is null for reference equality checks IDE0041 Yes ⚠ Warning
Prefer null check over type check IDE0150 Yes 🛈 Suggestion
Prefer conditional delegate call IDE1005 Yes 🛈 Suggestion
.editorconfig 
csharp_style_throw_expression = true:suggestion
dotnet_style_coalesce_expression = true:warning
dotnet_style_null_propagation = true:warning
dotnet_style_prefer_is_null_check_over_reference_equality_method = true:warning
csharp_style_prefer_null_check_over_type_check = true:suggestion
csharp_style_conditional_delegate_call = true:suggestion

Code Style | General | using preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Preferred using directive placement IDE0065 Outside namespace ⛔ Error
.editorconfig 
csharp_using_directive_placement = outside_namespace:error

Code Style | General | Modifier preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Require accesibility modifiers IDE0040 Yes ⚠ Warning
Prefer readonly fields IDE0044 Yes ⚠ Warning
Prefer static local functions IDE0062 Yes ⚠ Warning
Prefer readonly struct IDE0250 Yes 🛈 Suggestion
Prefer readonly struct member IDE0251 Yes 🛈 Suggestion
.editorconfig 
dotnet_style_require_accessibility_modifiers = true:warning
dotnet_style_readonly_field = true:warning
csharp_prefer_static_local_function = true:warning
csharp_style_prefer_readonly_struct = true:suggestion
csharp_style_prefer_readonly_struct_member = true:suggestion

Code Style | General | Parameter preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Avoid unused parameters IDE0060 Non-public methods ⚠ Warning
.editorconfig 
dotnet_code_quality_unused_parameters = non_public:warning

Code Style | General | New line preferences

Description _______________________________________________ Code Preference ____________ !! Severity !!
Allow multiple blank lines IDE2000 No ⚠ Warning
Allow embeded statements on same line IDE2001 No ⚠ Warning
Allow blank lines between consecutive braces IDE2002 No ⚠ Warning
Allow statement immediately after block IDE2003 No ⚠ Warning
Allow blank line after colon in constructor initializer IDE2004 No ⛔ Error
Allow blank line after token in conditional expression IDE2005 No ⛔ Error
Allow blank line after token in arrow expression clause IDE2006 Yes 🛈 Suggestion
.editorconfig 
dotnet_style_allow_multiple_blank_lines_experimental = false:warning
csharp_style_allow_embedded_statements_on_same_line_experimental = false:warning
csharp_style_allow_blank_lines_between_consecutive_braces_experimental = false:warning
dotnet_style_allow_statement_immediately_after_block_experimental = false:warning
csharp_style_allow_blank_line_after_colon_in_constructor_initializer_experimental = false:error
csharp_style_allow_blank_line_after_token_in_conditional_expression_experimental = false:error
csharp_style_allow_blank_line_after_token_in_arrow_expression_clause_experimental = true:suggestion

Code Style | Formatting | General

Description _________________________________________________________________________ Value
Automatically format when typing 🗹
Automatically format statement on ; 🗹
Automatically format block on } 🗹
Automatically format on return 🗹
Automatically format on paste 🗹
.editorconfig 
# Configurable at VS level

Code Style | Formatting | Indentation | General

Description _________________________________________________________________________ Value
Indent code blocks 🗹
Indent open and close braces ☐
Indent case contents 🗹
Indent case contents (when block) ☐
Indent case labels 🗹
.editorconfig 
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents = true
csharp_indent_case_contents_when_block = false
csharp_indent_switch_labels = true

Code Style | Formatting | Indentation | Label Indentation

Description _________________________________________________________________________ Value
Place goto labels in leftmost column ☐
Indent labels normally ☐
Place goto labels one indent less than content 🗹
.editorconfig 
csharp_indent_labels = one_less_than_current

Code Style | Formatting | New Lines | New line options for braces

Description _________________________________________________________________________ Value
Place open brace on new line for types 🗹
Place open brace on new line for methods and local functions 🗹
Place open brace on new line for properties, indexers, and events 🗹
Place open brace on new line for property, indexer, and event accessors 🗹
Place open brace on new line for anonymous methods 🗹
Place open brace on new line for control blocks 🗹
Place open brace on new line for anonymous types 🗹
Place open brace on new line for object, collection, array, and with initializers 🗹
Place open brace on new line for lambda expression 🗹
.editorconfig 
csharp_new_line_before_open_brace = all

Code Style | Formatting | New Lines | New line options for keywords

Description _________________________________________________________________________ Value
Place else on new line 🗹
Place catch on new line 🗹
Place finally on new line 🗹
.editorconfig 
csharp_new_line_before_else = true
csharp_new_line_before_catch = true
csharp_new_line_before_finally = true

Code Style | Formatting | New Lines | New line options for expressions

Description _________________________________________________________________________ Value
Place members in object initializers on new line 🗹
Place members in anonymous types on new line 🗹
Place query expression clauses on new line 🗹
.editorconfig 
csharp_new_line_before_members_in_object_initializers = true
csharp_new_line_before_members_in_anonymous_types = true
csharp_new_line_between_query_expression_clauses = true

Code Style | Formatting | Spacing | Set spacing for method declarations

Description _________________________________________________________________________ Value
Insert space between method name and its opening parenthesis ☐
Insert space within parameter list parentheses ☐
Insert space within empty parameter list parentheses ☐
.editorconfig 
csharp_space_between_method_declaration_name_and_open_parenthesis = false
csharp_space_between_method_declaration_parameter_list_parentheses = false
csharp_space_between_method_declaration_empty_parameter_list_parentheses = false

Code Style | Formatting | Spacing | Set spacing for method calls

Description _________________________________________________________________________ Value
Insert space between method name and its opening parenthesis ☐
Insert space within argument list parentheses ☐
Insert space within empty argument list parentheses ☐
.editorconfig 
csharp_space_between_method_call_name_and_opening_parenthesis = false
csharp_space_between_method_call_parameter_list_parentheses = false
csharp_space_between_method_call_empty_parameter_list_parentheses = false

Code Style | Formatting | Spacing | Set other spacing options

Description _________________________________________________________________________ Value
Insert space after keywords in control flow statements 🗹
Insert space within parentheses of expressions ☐
Insert space within parentheses of type casts ☐
Insert space within parentheses of control flow statements ☐
Insert space after cast ☐
Insert space in declaration statements ☐
.editorconfig 
csharp_space_after_keywords_in_control_flow_statements = true
csharp_space_between_parentheses = false
csharp_space_after_cast = false
csharp_space_around_declaration_statements = false

Code Style | Formatting | Spacing | Set spacing for brackets

Description _________________________________________________________________________ Value
Insert space before open square bracket ☐
Insert space within empty square brackets ☐
Insert space within square brackets ☐
.editorconfig 
csharp_space_before_open_square_brackets = false
csharp_space_between_square_brackets = false
csharp_space_between_empty_square_brackets = false

Code Style | Formatting | Spacing | Set spacing for delimiters

Description _________________________________________________________________________ Value
Insert space before colon for base or interface in type declarations 🗹
Insert space after colon for base or interface in type declarations 🗹
Insert space before comma ☐
Insert space after comma 🗹
Insert space before dot ☐
Insert space after dot ☐
Insert space before semicolon in for statement ☐
Insert space after semicolon in for statement 🗹
.editorconfig 
csharp_space_before_colon_in_inheritance_clause = true
csharp_space_after_colon_in_inheritance_clause = true
csharp_space_before_comma = false
csharp_space_after_comma = true
csharp_space_before_dot = false
csharp_space_after_dot = false
csharp_space_before_semicolon_in_for_statement = false
csharp_space_after_semicolon_in_for_statement = true

Code Style | Formatting | Spacing | Set spacing for operators

Description _________________________________________________________________________ Value
Ignore spaces around binary operators ☐
Remove spaces before and after binary operators ☐
Insert space before and after binary operators 🗹
.editorconfig 
csharp_space_around_binary_operators = before_and_after

Code Style | Formatting | Wrapping

Description _________________________________________________________________________ Value
Leave block on single line 🗹
Leave statements and member declarations on the same line ☐
.editorconfig 
csharp_preserve_single_line_blocks = true
csharp_preserve_single_line_statements = false

Microsoft.CodeAnalysis.NetAnalyzers

Microsoft.CodeAnalysis.NetAnalyzers | Design

Code Description ___________________________________________________________________________ !! Severity !!
CA1000 Do not declare static members on generic types ⚠ Warning
CA1001 Types that own disposable fields should be disposable ⚠ Warning
CA1002 Do not expose generic lists ⚠ Warning
CA1003 Use generic event handler instances 🞅 None
CA1005 Avoid excessive parameters on generic types ⚠ Warning
CA1008 Enums should have zero value ⚠ Warning
CA1010 Collections should implement generic interface 🛈 Suggestion
CA1012 Abstract types should not have public constructors ⚠ Warning
CA1014 Mark assemblies with CLSCompliantAttribute 🞅 None
CA1016 Mark assemblies with AssemblyVersionAttribute 🞅 None
CA1017 Mark assemblies with ComVisibleAttribute 🞅 None
CA1018 Mark attributes with AttributeUsageAttribute ⚠ Warning
CA1019 Define accessors for attribute arguments 🛈 Suggestion
CA1021 Avoid out parameters 🛈 Suggestion
CA1024 Use properties where appropriate 🛈 Suggestion
CA1027 Mark enums with FlagsAttribute 🛈 Suggestion
CA1028 Enum storage should be Int32 ⚠ Warning
CA1030 Use events where appropriate 🞅 None
CA1031 Do not catch general exception types 🛈 Suggestion
CA1032 Implement standard exception constructors ⚠ Warning
CA1033 Interface methods should be callable by child types ⚠ Warning
CA1034 Nested types should not be visible ⚠ Warning
CA1036 Override methods on comparable types 🛈 Suggestion
CA1040 Avoid empty interfaces 🞅 None
CA1041 Provide ObsoleteAttribute message ⛔ Error
CA1043 Use integral or string argument for indexers ⚠ Warning
CA1044 Properties should not be write only 🞅 None
CA1045 Do not pass types by reference ⚠ Warning
CA1046 Do not overload operator equals on reference types ⚠ Warning
CA1047 Do not declare protected members in sealed types 🞅 None
CA1050 Declare types in namespaces ⚠ Warning
CA1051 Do not declare visible instance fields 🞅 None
CA1052 Static holder types should be Static or NotInheritable ⛔ Error
CA1053 Static holder types should not have default constructors -
CA1054 URI parameters should not be strings ⚠ Warning
CA1055 URI return values should not be strings ⚠ Warning
CA1056 URI properties should not be strings ⚠ Warning
CA1058 Types should not extend certain base types ⚠ Warning
CA1060 Move P/Invokes to NativeMethods class 🞅 None
CA1061 Do not hide base class methods ⚠ Warning
CA1062 Validate arguments of public methods 🞅 None
CA1063 Implement IDisposable correctly ⚠ Warning
CA1064 Exceptions should be public ⛔ Error
CA1065 Do not raise exceptions in unexpected locations ⛔ Error
CA1066 Implement IEquatable when overriding Equals ⚠ Warning
CA1067 Override Equals when implementing IEquatable ⚠ Warning
CA1068 CancellationToken parameters must come last ⚠ Warning
CA1069 Enums should not have duplicate values ⚠ Warning
CA1070 Do not declare event fields as virtual 🛈 Suggestion
.editorconfig 
dotnet_diagnostic.CA1000.severity = warning
dotnet_diagnostic.CA1001.severity = warning
dotnet_diagnostic.CA1002.severity = warning
dotnet_diagnostic.CA1003.severity = none
dotnet_diagnostic.CA1005.severity = warning
dotnet_diagnostic.CA1008.severity = warning
dotnet_diagnostic.CA1010.severity = suggestion
dotnet_diagnostic.CA1012.severity = warning
dotnet_diagnostic.CA1014.severity = none
dotnet_diagnostic.CA1016.severity = none
dotnet_diagnostic.CA1017.severity = none
dotnet_diagnostic.CA1018.severity = warning
dotnet_diagnostic.CA1019.severity = suggestion
dotnet_diagnostic.CA1021.severity = suggestion
dotnet_diagnostic.CA1024.severity = suggestion
dotnet_diagnostic.CA1027.severity = suggestion
dotnet_diagnostic.CA1028.severity = warning
dotnet_diagnostic.CA1030.severity = none
dotnet_diagnostic.CA1031.severity = suggestion
dotnet_diagnostic.CA1032.severity = warning
dotnet_diagnostic.CA1033.severity = warning
dotnet_diagnostic.CA1034.severity = warning
dotnet_diagnostic.CA1036.severity = suggestion
dotnet_diagnostic.CA1040.severity = none
dotnet_diagnostic.CA1041.severity = error
dotnet_diagnostic.CA1043.severity = warning
dotnet_diagnostic.CA1044.severity = none
dotnet_diagnostic.CA1045.severity = warning
dotnet_diagnostic.CA1046.severity = warning
dotnet_diagnostic.CA1047.severity = none
dotnet_diagnostic.CA1050.severity = warning
dotnet_diagnostic.CA1051.severity = error
dotnet_diagnostic.CA1052.severity = error
#dotnet_diagnostic.CA1053.severity = warning
dotnet_diagnostic.CA1054.severity = warning
dotnet_diagnostic.CA1055.severity = warning
dotnet_diagnostic.CA1056.severity = warning
dotnet_diagnostic.CA1058.severity = warning
dotnet_diagnostic.CA1060.severity = none
dotnet_diagnostic.CA1061.severity = warning
dotnet_diagnostic.CA1062.severity = none
dotnet_diagnostic.CA1063.severity = warning
dotnet_diagnostic.CA1064.severity = error
dotnet_diagnostic.CA1065.severity = error
dotnet_diagnostic.CA1066.severity = warning
dotnet_diagnostic.CA1067.severity = warning
dotnet_diagnostic.CA1068.severity = warning
dotnet_diagnostic.CA1069.severity = warning
dotnet_diagnostic.CA1070.severity = suggestion

Microsoft.CodeAnalysis.NetAnalyzers | Documentation

Code Description ___________________________________________________________________________ !! Severity !!
CA1200 Avoid using cref tags with a prefix 🞅 None
.editorconfig 
dotnet_diagnostic.CA1200.severity = none

Microsoft.CodeAnalysis.NetAnalyzers | Globalization

Code Description ___________________________________________________________________________ !! Severity !!
CA1303 Do not pass literals as localized parameters ⚠ Warning
CA1304 Specify CultureInfo ⚠ Warning
CA1305 Specify IFormatProvider ⚠ Warning
CA1307 Specify StringComparison for clarity ⚠ Warning
CA1308 Normalize strings to uppercase 🛈 Suggestion
CA1309 Use ordinal StringComparison ⚠ Warning
CA1310 Specify StringComparison for correctness ⚠ Warning
CA1311 Specify a culture or use an invariant version ⚠ Warning
CA2101 Specify marshalling for P/Invoke string arguments 🛈 Suggestion
.editorconfig 
dotnet_diagnostic.CA1303.severity = warning
dotnet_diagnostic.CA1304.severity = warning
dotnet_diagnostic.CA1305.severity = warning
dotnet_diagnostic.CA1307.severity = warning
dotnet_diagnostic.CA1308.severity = suggestion
dotnet_diagnostic.CA1309.severity = warning
dotnet_diagnostic.CA1310.severity = warning
dotnet_diagnostic.CA1311.severity = warning
dotnet_diagnostic.CA2101.severity = suggestion

Microsoft.CodeAnalysis.NetAnalyzers | Interoperability

Code Description ___________________________________________________________________________ !! Severity !!
CA1401 P/Invokes should not be visible 🛈 Suggestion
CA1416 Validate platform compatibility ⚠ Warning
CA1417 Do not use OutAttribute on string parameters for P/Invokes ⚠ Warning
CA1418 Validate platform compatibility ⚠ Warning
CA1419 Provide a parameterless ctor for types derived from
System.Runtime.InteropServices.SafeHandle		 🛈 Suggestion
CA1420 Property, type, or attribute requires runtime marshalling ⚠ Warning
CA1421 Method uses runtime marshalling when DisableRuntimeMarshalling is applied 🛈 Suggestion
CA1422 Validate platform compatibility - Obsoleted APIs ⚠ Warning
.editorconfig 
dotnet_diagnostic.CA1401.severity = suggestion
dotnet_diagnostic.CA1416.severity = warning
dotnet_diagnostic.CA1417.severity = warning
dotnet_diagnostic.CA1418.severity = warning
dotnet_diagnostic.CA1419.severity = suggestion
dotnet_diagnostic.CA1420.severity = warning
dotnet_diagnostic.CA1421.severity = suggestion
dotnet_diagnostic.CA1422.severity = warning

Microsoft.CodeAnalysis.NetAnalyzers | Maintainability

Code Description ___________________________________________________________________________ !! Severity !!
CA1501 Avoid excessive inheritance ⚠ Warning
CA1502 Avoid excessive complexity ⚠ Warning
CA1505 Avoid unmaintainable code ⚠ Warning
CA1506 Avoid excessive class coupling ⚠ Warning
CA1507 Use nameof in place of string ⚠ Warning
CA1508 Avoid dead conditional code ⚠ Warning
CA1509 Invalid entry in code metrics configuration file ⛔ Error
CA1510 Use ArgumentNullException throw helper ⚠ Warning
CA1511 Use ArgumentException throw helper ⚠ Warning
CA1512 Use ArgumentOutOfRangeException throw helper ⚠ Warning
CA1513 Use ObjectDisposedException throw helper ⚠ Warning
.editorconfig 
dotnet_diagnostic.CA1501.severity = warning
dotnet_diagnostic.CA1502.severity = warning
dotnet_diagnostic.CA1505.severity = warning
dotnet_diagnostic.CA1506.severity = warning
dotnet_diagnostic.CA1507.severity = warning
dotnet_diagnostic.CA1508.severity = warning
dotnet_diagnostic.CA1509.severity = error
dotnet_diagnostic.CA1510.severity = warning
dotnet_diagnostic.CA1511.severity = warning
dotnet_diagnostic.CA1512.severity = warning
dotnet_diagnostic.CA1513.severity = warning

Microsoft.CodeAnalysis.NetAnalyzers | Naming

Code Description ___________________________________________________________________________ !! Severity !!
CA1700 Do not name enum values Reserved 🛈 Suggestion
CA1707 Identifiers should not contain underscores ⛔ Error
CA1708 Identifiers should differ by more than case 🛈 Suggestion
CA1710 Identifiers should have correct suffix ⚠ Warning
CA1711 Identifiers should not have incorrect suffix ⚠ Warning
CA1712 Do not prefix enum values with type name ⛔ Error
CA1713 Events should not have before or after prefix ⚠ Warning
CA1714 Flags enums should have plural names ⚠ Warning
CA1715 Identifiers should have correct prefix ⚠ Warning
CA1716 Identifiers should not match keywords ⚠ Warning
CA1717 Only FlagsAttribute enums should have plural names 🛈 Suggestion
CA1721 Property names should not match get methods ⚠ Warning
CA1720 Identifiers should not contain type names ⚠ Warning
CA1724 Type names should not match namespaces ⚠ Warning
CA1725 Parameter names should match base declaration ⚠ Warning
CA1727 Use PascalCase for named placeholders ⚠ Warning
.editorconfig 
dotnet_diagnostic.CA1700.severity = suggestion
dotnet_diagnostic.CA1707.severity = error
dotnet_diagnostic.CA1708.severity = suggestion
dotnet_diagnostic.CA1710.severity = warning
dotnet_diagnostic.CA1711.severity = warning
dotnet_diagnostic.CA1712.severity = error
dotnet_diagnostic.CA1713.severity = warning
dotnet_diagnostic.CA1714.severity = warning
dotnet_diagnostic.CA1715.severity = warning
dotnet_diagnostic.CA1716.severity = warning
dotnet_diagnostic.CA1717.severity = suggestion
dotnet_diagnostic.CA1720.severity = warning
dotnet_diagnostic.CA1721.severity = warning
dotnet_diagnostic.CA1724.severity = warning
dotnet_diagnostic.CA1725.severity = warning
dotnet_diagnostic.CA1727.severity = warning

Microsoft.CodeAnalysis.NetAnalyzers | Performance

Code Description ___________________________________________________________________________ !! Severity !!
CA1802 Use literals where appropriate ⚠ Warning
CA1805 Do not initialize unnecessarily ⚠ Warning
CA1806 Do not ignore method results ⚠ Warning
CA1810 Initialize reference type static fields inline ⚠ Warning
CA1812 Avoid uninstantiated internal classes ⚠ Warning
CA1813 Avoid unsealed attributes ⛔ Error
CA1814 Prefer jagged arrays over multidimensional 🛈 Suggestion
CA1815 Override equals and operator equals on value types ⚠ Warning
CA1819 Properties should not return arrays ⚠ Warning
CA1820 Test for empty strings using string length ⚠ Warning
CA1821 Remove empty finalizers ⚠ Warning
CA1822 Mark members as static ⚠ Warning
CA1823 Avoid unused private fields ⚠ Warning
CA1824 Mark assemblies with NeutralResourcesLanguageAttribute 🞅 None
CA1825 Avoid zero-length array allocations ⚠ Warning
CA1826 Use property instead of Linq Enumerable method ⚠ Warning
CA1827 Do not use Count/LongCount when Any can be used ⚠ Warning
CA1828 Do not use CountAsync/LongCountAsync when AnyAsync can be used ⚠ Warning
CA1829 Use Length/Count property instead of Enumerable.Count method ⚠ Warning
CA1830 Prefer strongly-typed Append and Insert method overloads on StringBuilder ⚠ Warning
CA1831 Use AsSpan instead of Range-based indexers for string when appropriate 🛈 Suggestion
CA1832 Use AsSpan or AsMemory instead of Range-based indexers for getting
ReadOnlySpan or ReadOnlyMemory [..]		 🛈 Suggestion
CA1833 Use AsSpan or AsMemory instead of Range-based indexers for getting
Span or Memory [..]		 🛈 Suggestion
CA1834 Use StringBuilder.Append(char) for single character strings ⚠ Warning
CA1835 Prefer the memory-based overloads of ReadAsync/WriteAsync methods [..] 🛈 Suggestion
CA1836 Prefer IsEmpty over Count when available ⚠ Warning
CA1837 Use Environment.ProcessId instead of Process.GetCurrentProcess().Id 🛈 Suggestion
CA1838 Avoid StringBuilder parameters for P/Invokes 🛈 Suggestion
CA1839 Use Environment.ProcessPath [..] 🛈 Suggestion
CA1840 Use Environment.CurrentManagedThreadId [..] 🛈 Suggestion
CA1841 Prefer Dictionary Contains methods ⚠ Warning
CA1842 Do not use WhenAll with a single task ⛔ Error
CA1843 Do not use WaitAll with a single task ⛔ Error
CA1844 Provide memory-based overrides of async methods when subclassing Stream ⚠ Warning
CA1845 Use span-based string.Concat ⚠ Warning
CA1846 Prefer AsSpan over Substring ⚠ Warning
CA1847 Use string.Contains(char) instead of string.Contains(string) with single chars ⚠ Warning
CA1848 Use the LoggerMessage delegates 🛈 Suggestion
CA1849 Call async methods when in an async method ⚠ Warning
CA1850 Prefer static HashData method over ComputeHash 🞅 None
CA1851 Possible multiple enumerations of IEnumerable collection ⚠ Warning
CA1852 Seal internal types ⚠ Warning
CA1853 Unnecessary call to Dictionary.ContainsKey(key) ⚠ Warning
CA1854 Prefer the IDictionary.TryGetValue(TKey, out TValue) method 🛈 Suggestion
CA1855 Use Span[T].Clear() instead of Span[T].Fill() 🛈 Suggestion
CA1856 Incorrect usage of ConstantExpected attribute ⛔ Error
CA1857 The parameter expects a constant for optimal performance ⚠ Warning
CA1858 Use StartsWith instead of IndexOf ⚠ Warning
CA1859 Use concrete types when possible for improved performance 🛈 Suggestion
CA1860 Avoid using Enumerable.Any() extension method ⚠ Warning
CA1861 Avoid constant arrays as arguments ⚠ Warning
CA1862 Use the StringComparison method overloads for case-insensitive comparisons ⚠ Warning
CA1863 Use CompositeFormat 🛈 Suggestion
CA1864 Prefer the IDictionary.TryAdd(TKey, TValue) method ⚠ Warning
CA1865 Use string.Method(char) instead of string.Method(string) for string with one char ⚠ Warning
CA1866 Use string.Method(char) instead of string.Method(string) for string with one char ⚠ Warning
CA1867 Use string.Method(char) instead of string.Method(string) for string with one char 🛈 Suggestion
CA1868 Unnecessary call to Contains for sets ⚠ Warning
CA1869 Cache and reuse JsonSerializerOptions instances ⚠ Warning
CA1870 Use a cached SearchValues instance ⚠ Warning
.editorconfig 
dotnet_diagnostic.CA1802.severity = warning
dotnet_diagnostic.CA1805.severity = warning
dotnet_diagnostic.CA1806.severity = warning
dotnet_diagnostic.CA1810.severity = warning
dotnet_diagnostic.CA1812.severity = warning
dotnet_diagnostic.CA1813.severity = error
dotnet_diagnostic.CA1814.severity = suggestion
dotnet_diagnostic.CA1815.severity = warning
dotnet_diagnostic.CA1819.severity = warning
dotnet_diagnostic.CA1820.severity = warning
dotnet_diagnostic.CA1821.severity = warning
dotnet_diagnostic.CA1822.severity = warning
dotnet_diagnostic.CA1823.severity = warning
dotnet_diagnostic.CA1824.severity = none
dotnet_diagnostic.CA1825.severity = warning
dotnet_diagnostic.CA1826.severity = warning
dotnet_diagnostic.CA1827.severity = warning
dotnet_diagnostic.CA1828.severity = warning
dotnet_diagnostic.CA1829.severity = warning
dotnet_diagnostic.CA1830.severity = warning
dotnet_diagnostic.CA1831.severity = suggestion
dotnet_diagnostic.CA1832.severity = suggestion
dotnet_diagnostic.CA1833.severity = suggestion
dotnet_diagnostic.CA1834.severity = warning
dotnet_diagnostic.CA1835.severity = suggestion
dotnet_diagnostic.CA1836.severity = warning
dotnet_diagnostic.CA1837.severity = suggestion
dotnet_diagnostic.CA1838.severity = suggestion
dotnet_diagnostic.CA1839.severity = suggestion
dotnet_diagnostic.CA1840.severity = suggestion
dotnet_diagnostic.CA1841.severity = warning
dotnet_diagnostic.CA1842.severity = error
dotnet_diagnostic.CA1843.severity = error
dotnet_diagnostic.CA1844.severity = warning
dotnet_diagnostic.CA1845.severity = warning
dotnet_diagnostic.CA1846.severity = warning
dotnet_diagnostic.CA1847.severity = warning
dotnet_diagnostic.CA1848.severity = suggestion
dotnet_diagnostic.CA1849.severity = warning
dotnet_diagnostic.CA1850.severity = none
dotnet_diagnostic.CA1851.severity = warning
dotnet_diagnostic.CA1852.severity = warning
dotnet_diagnostic.CA1853.severity = warning
dotnet_diagnostic.CA1854.severity = suggestion
dotnet_diagnostic.CA1855.severity = suggestion
dotnet_diagnostic.CA1856.severity = error
dotnet_diagnostic.CA1857.severity = warning
dotnet_diagnostic.CA1858.severity = warning
dotnet_diagnostic.CA1859.severity = suggestion
dotnet_diagnostic.CA1860.severity = warning
dotnet_diagnostic.CA1861.severity = warning
dotnet_diagnostic.CA1862.severity = warning
dotnet_diagnostic.CA1863.severity = suggestion
dotnet_diagnostic.CA1864.severity = warning
dotnet_diagnostic.CA1865.severity = warning
dotnet_diagnostic.CA1866.severity = warning
dotnet_diagnostic.CA1867.severity = suggestion
dotnet_diagnostic.CA1868.severity = warning
dotnet_diagnostic.CA1869.severity = warning
dotnet_diagnostic.CA1870.severity = warning

Microsoft.CodeAnalysis.NetAnalyzers | Reliability

Code Description ___________________________________________________________________________ !! Severity !!
CA2000 Dispose objects before losing scope 🛈 Suggestion
CA2002 Do not lock on objects with weak identity ⛔ Error
CA2007 Do not directly await a Task 🞅 None
CA2008 Do not create tasks without passing a TaskScheduler 🛈 Suggestion
CA2009 Do not call ToImmutableCollection on an ImmutableCollection value ⚠ Warning
CA2011 Do not assign property within its setter ⛔ Error
CA2012 Use ValueTasks correctly 🛈 Suggestion
CA2013 Do not use ReferenceEquals with value types ⚠ Warning
CA2014 Do not use stackalloc in loops ⚠ Warning
CA2015 Do not define finalizers for types derived from MemoryManager ⚠ Warning
CA2016 Forward the CancellationToken parameter to methods that take one ⚠ Warning
CA2017 Parameter count mismatch ⚠ Warning
CA2018 The count argument to Buffer.BlockCopy should specify the number of bytes [..] ⚠ Warning
CA2019 ThreadStatic fields should not use inline initialization 🛈 Suggestion
CA2020 Prevent behavioral change caused by built-in operators of IntPtr/UIntPtr 🛈 Suggestion
CA2021 Don't call Enumerable.Cast or Enumerable.OfType with incompatible types ⚠ Warning
.editorconfig 
dotnet_diagnostic.CA2000.severity = suggestion
dotnet_diagnostic.CA2002.severity = error
dotnet_diagnostic.CA2007.severity = none
dotnet_diagnostic.CA2008.severity = suggestion
dotnet_diagnostic.CA2009.severity = warning
dotnet_diagnostic.CA2011.severity = error
dotnet_diagnostic.CA2012.severity = suggestion
dotnet_diagnostic.CA2013.severity = warning
dotnet_diagnostic.CA2014.severity = warning
dotnet_diagnostic.CA2015.severity = warning
dotnet_diagnostic.CA2016.severity = warning
dotnet_diagnostic.CA2017.severity = warning
dotnet_diagnostic.CA2018.severity = warning
dotnet_diagnostic.CA2019.severity = suggestion
dotnet_diagnostic.CA2020.severity = suggestion
dotnet_diagnostic.CA2021.severity = warning

Microsoft.CodeAnalysis.NetAnalyzers | Security

Code Description ___________________________________________________________________________ !! Severity !!
CA2100 Review SQL queries for security vulnerabilities ⚠ Warning
CA2109 Review visible event handlers ⚠ Warning
CA2119 Seal methods that satisfy private interfaces ⚠ Warning
CA2153 Avoid handling Corrupted State Exceptions ⚠ Warning
CA2300 Do not use insecure deserializer BinaryFormatter ⛔ Error
CA2301 Do not call BinaryFormatter.Deserialize without first setting BinaryFormatter.Binder 🞅 None
CA2302 Ensure BinaryFormatter.Binder is set before calling BinaryFormatter.Deserialize 🞅 None
CA2305 Do not use insecure deserializer LosFormatter ⛔ Error
CA2310 Do not use insecure deserializer NetDataContractSerializer ⛔ Error
CA2311 Do not deserialize without first setting NetDataContractSerializer.Binder 🞅 None
CA2312 Ensure NetDataContractSerializer.Binder is set before deserializing 🞅 None
CA2315 Do not use insecure deserializer ObjectStateFormatter ⛔ Error
CA2321 Do not deserialize with JavaScriptSerializer using a SimpleTypeResolver ⚠ Warning
CA2322 Ensure JavaScriptSerializer is not initialized with SimpleTypeResolver [..] ⚠ Warning
CA2326 Do not use TypeNameHandling values other than None ⚠ Warning
CA2327 Do not use insecure JsonSerializerSettings ⚠ Warning
CA2328 Ensure that JsonSerializerSettings are secure ⚠ Warning
CA2329 Do not deserialize with JsonSerializer using an insecure configuration ⚠ Warning
CA2330 Ensure that JsonSerializer has a secure configuration when deserializing ⚠ Warning
CA2350 Ensure DataTable.ReadXml()'s input is trusted ⚠ Warning
CA2351 Ensure DataSet.ReadXml()'s input is trusted ⚠ Warning
CA2352 Unsafe DataSet or DataTable in serializable type can be vulnerable to RCEA ⚠ Warning
CA2353 Unsafe DataSet or DataTable in serializable type ⚠ Warning
CA2354 Unsafe DataSet or DataTable in deserialized object graph can be vulnerable to RCEA ⚠ Warning
CA2355 Unsafe DataSet or DataTable in deserialized object graph ⚠ Warning
CA2356 Unsafe DataSet or DataTable type in web deserialized object graph ⚠ Warning
CA2361 Ensure autogen class with DataSet.ReadXml() is not used with untrusted data ⚠ Warning
CA2362 Unsafe DataSet or DataTable in autogen serializable type can be vulnerable to RCEA ⚠ Warning
CA3001 Review code for SQL injection vulnerabilities ⚠ Warning
CA3002 Review code for XSS vulnerabilities ⚠ Warning
CA3003 Review code for file path injection vulnerabilities ⚠ Warning
CA3004 Review code for information disclosure vulnerabilities ⚠ Warning
CA3005 Review code for LDAP injection vulnerabilities ⚠ Warning
CA3006 Review code for process command injection vulnerabilities ⚠ Warning
CA3007 Review code for open redirect vulnerabilities ⚠ Warning
CA3008 Review code for XPath injection vulnerabilities ⚠ Warning
CA3009 Review code for XML injection vulnerabilities ⚠ Warning
CA3010 Review code for XAML injection vulnerabilities ⚠ Warning
CA3011 Review code for DLL injection vulnerabilities ⚠ Warning
CA3012 Review code for regex injection vulnerabilities ⚠ Warning
CA3061 Do not add schema by URL ⚠ Warning
CA3075 Insecure DTD Processing ⚠ Warning
CA3076 Insecure XSLT Script Execution ⚠ Warning
CA3077 Insecure Processing in API Design, XML Document and XML Text Reader ⚠ Warning
CA3147 Mark verb handlers with ValidateAntiForgeryToken ⚠ Warning
CA5350 Do Not Use Weak Cryptographic Algorithms ⚠ Warning
CA5351 Do Not Use Broken Cryptographic Algorithms ⚠ Warning
CA5358 Do Not Use Unsafe Cipher Modes ⚠ Warning
CA5359 Do not disable certificate validation ⚠ Warning
CA5360 Do not call dangerous methods in deserialization ⚠ Warning
CA5361 Do not disable SChannel use of strong crypto ⚠ Warning
CA5362 Potential reference cycle in deserialized object graph 🛈 Suggestion
CA5363 Do not disable request validation ⚠ Warning
CA5364 Do not use deprecated security protocols ⚠ Warning
CA5365 Do Not Disable HTTP Header Checking ⚠ Warning
CA5366 Use XmlReader For DataSet Read XML ⚠ Warning
CA5367 Do not serialize types with pointer fields ⛔ Error
CA5368 Set ViewStateUserKey For Classes Derived From Page ⚠ Warning
CA5369 Use XmlReader for Deserialize ⚠ Warning
CA5370 Use XmlReader for validating reader ⚠ Warning
CA5371 Use XmlReader for schema read ⚠ Warning
CA5372 Use XmlReader for XPathDocument ⚠ Warning
CA5373 Do not use obsolete key derivation function ⚠ Warning
CA5374 Do not use XslTransform ⚠ Warning
CA5375 Do not use account shared access signature ⚠ Warning
CA5376 Use SharedAccessProtocol HttpsOnly ⚠ Warning
CA5377 Use container level access policy ⚠ Warning
CA5378 Do not disable ServicePointManagerSecurityProtocols ⚠ Warning
CA5379 Ensure key derivation function algorithm is sufficiently strong ⚠ Warning
CA5380 Do not add certificates to root store ⚠ Warning
CA5381 Ensure certificates are not added to root store ⚠ Warning
CA5382 Use secure cookies in ASP.NET Core ⚠ Warning
CA5383 Ensure use secure cookies in ASP.NET Core ⚠ Warning
CA5384 Do not use digital signature algorithm (DSA) ⚠ Warning
CA5385 Use Rivest–Shamir–Adleman (RSA) algorithm with sufficient key size ⚠ Warning
CA5386 Avoid hardcoding SecurityProtocolType value ⚠ Warning
CA5387 Do not use weak key derivation function with insufficient iteration count ⚠ Warning
CA5388 Ensure sufficient iteration count when using weak key derivation function ⚠ Warning
CA5389 Do not add archive item's path to the target file system path ⚠ Warning
CA5390 Do not hard-code encryption key ⚠ Warning
CA5391 Use antiforgery tokens in ASP.NET Core MVC controllers ⚠ Warning
CA5392 Use DefaultDllImportSearchPaths attribute for P/Invokes 🞅 None
CA5393 Do not use unsafe DllImportSearchPath value 🞅 None
CA5394 Do not use insecure randomness ⚠ Warning
CA5395 Miss HttpVerb attribute for action methods ⛔ Error
CA5396 Set HttpOnly to true for HttpCookie ⚠ Warning
CA5397 Do not use deprecated SslProtocols values ⚠ Warning
CA5398 Avoid hardcoded SslProtocols values ⛔ Error
CA5399 Enable HttpClient certificate revocation list check ⚠ Warning
CA5400 Ensure HttpClient certificate revocation list check is not disabled ⚠ Warning
CA5401 Do not use CreateEncryptor with non-default IV ⚠ Warning
CA5402 Use CreateEncryptor with the default IV ⚠ Warning
CA5403 Do not hard-code certificate ⛔ Error
CA5404 Do not disable token validation checks ⚠ Warning
CA5405 Do not always skip token validation in delegates ⚠ Warning
.editorconfig 
dotnet_diagnostic.CA2100.severity = warning
dotnet_diagnostic.CA2109.severity = warning
dotnet_diagnostic.CA2119.severity = warning
dotnet_diagnostic.CA2153.severity = warning
dotnet_diagnostic.CA2300.severity = error
dotnet_diagnostic.CA2301.severity = none
dotnet_diagnostic.CA2302.severity = none
dotnet_diagnostic.CA2305.severity = error
dotnet_diagnostic.CA2310.severity = error
dotnet_diagnostic.CA2311.severity = none
dotnet_diagnostic.CA2312.severity = none
dotnet_diagnostic.CA2315.severity = error
dotnet_diagnostic.CA2321.severity = warning
dotnet_diagnostic.CA2322.severity = warning
dotnet_diagnostic.CA2326.severity = warning
dotnet_diagnostic.CA2327.severity = warning
dotnet_diagnostic.CA2328.severity = warning
dotnet_diagnostic.CA2329.severity = warning
dotnet_diagnostic.CA2330.severity = warning
dotnet_diagnostic.CA2350.severity = warning
dotnet_diagnostic.CA2351.severity = warning
dotnet_diagnostic.CA2352.severity = warning
dotnet_diagnostic.CA2353.severity = warning
dotnet_diagnostic.CA2354.severity = warning
dotnet_diagnostic.CA2355.severity = warning
dotnet_diagnostic.CA2356.severity = warning
dotnet_diagnostic.CA2361.severity = warning
dotnet_diagnostic.CA2362.severity = warning
dotnet_diagnostic.CA3001.severity = warning
dotnet_diagnostic.CA3002.severity = warning
dotnet_diagnostic.CA3003.severity = warning
dotnet_diagnostic.CA3004.severity = warning
dotnet_diagnostic.CA3005.severity = warning
dotnet_diagnostic.CA3006.severity = warning
dotnet_diagnostic.CA3007.severity = warning
dotnet_diagnostic.CA3008.severity = warning
dotnet_diagnostic.CA3009.severity = warning
dotnet_diagnostic.CA3010.severity = warning
dotnet_diagnostic.CA3011.severity = warning
dotnet_diagnostic.CA3012.severity = warning
dotnet_diagnostic.CA3061.severity = warning
dotnet_diagnostic.CA3075.severity = warning
dotnet_diagnostic.CA3076.severity = warning
dotnet_diagnostic.CA3077.severity = warning
dotnet_diagnostic.CA3147.severity = warning
dotnet_diagnostic.CA5350.severity = warning
dotnet_diagnostic.CA5351.severity = warning
dotnet_diagnostic.CA5358.severity = warning
dotnet_diagnostic.CA5359.severity = warning
dotnet_diagnostic.CA5360.severity = warning
dotnet_diagnostic.CA5361.severity = warning
dotnet_diagnostic.CA5362.severity = suggestion 
dotnet_diagnostic.CA5363.severity = warning
dotnet_diagnostic.CA5364.severity = warning
dotnet_diagnostic.CA5365.severity = warning
dotnet_diagnostic.CA5366.severity = warning
dotnet_diagnostic.CA5367.severity = error 
dotnet_diagnostic.CA5368.severity = warning
dotnet_diagnostic.CA5369.severity = warning
dotnet_diagnostic.CA5370.severity = warning
dotnet_diagnostic.CA5371.severity = warning
dotnet_diagnostic.CA5372.severity = warning
dotnet_diagnostic.CA5373.severity = warning
dotnet_diagnostic.CA5374.severity = warning
dotnet_diagnostic.CA5375.severity = warning
dotnet_diagnostic.CA5376.severity = warning
dotnet_diagnostic.CA5377.severity = warning
dotnet_diagnostic.CA5378.severity = warning
dotnet_diagnostic.CA5379.severity = warning
dotnet_diagnostic.CA5380.severity = warning
dotnet_diagnostic.CA5381.severity = warning
dotnet_diagnostic.CA5382.severity = warning
dotnet_diagnostic.CA5383.severity = warning
dotnet_diagnostic.CA5384.severity = warning
dotnet_diagnostic.CA5385.severity = warning
dotnet_diagnostic.CA5386.severity = warning
dotnet_diagnostic.CA5387.severity = warning
dotnet_diagnostic.CA5388.severity = warning
dotnet_diagnostic.CA5389.severity = warning
dotnet_diagnostic.CA5390.severity = warning
dotnet_diagnostic.CA5391.severity = warning
dotnet_diagnostic.CA5392.severity = none
dotnet_diagnostic.CA5393.severity = none
dotnet_diagnostic.CA5394.severity = warning
dotnet_diagnostic.CA5395.severity = error
dotnet_diagnostic.CA5396.severity = warning
dotnet_diagnostic.CA5397.severity = warning
dotnet_diagnostic.CA5398.severity = error
dotnet_diagnostic.CA5399.severity = warning
dotnet_diagnostic.CA5400.severity = warning
dotnet_diagnostic.CA5401.severity = warning
dotnet_diagnostic.CA5402.severity = warning
dotnet_diagnostic.CA5403.severity = error
dotnet_diagnostic.CA5404.severity = warning
dotnet_diagnostic.CA5405.severity = warning

Microsoft.CodeAnalysis.NetAnalyzers | Usage

Code Description ___________________________________________________________________________ !! Severity !!
CA1816 Call GC.SuppressFinalize correctly 🛈 Suggestion
CA2200 Rethrow to preserve stack details ⚠ Warning
CA2201 Do not raise reserved exception types ⚠ Warning
CA2207 Initialize value type static fields inline ⚠ Warning
CA2208 Instantiate argument exceptions correctly ⚠ Warning
CA2211 Non-constant fields should not be visible ⚠ Warning
CA2213 Disposable fields should be disposed ⚠ Warning
CA2214 Do not call overridable methods in constructors ⚠ Warning
CA2215 Dispose methods should call base class dispose ⚠ Warning
CA2216 Disposable types should declare finalizer ⚠ Warning
CA2217 Do not mark enums with FlagsAttribute ⛔ Error
CA2218 Override GetHashCode on overriding Equals ⚠ Warning
CA2219 Do not raise exceptions in exception clauses ⛔ Error
CA2224 Override Equals on overloading operator equals 🞅 None
CA2225 Operator overloads have named alternates 🞅 None
CA2226 Operators should have symmetrical overloads 🞅 None
CA2227 Collection properties should be read only ⚠ Warning
CA2229 Implement serialization constructors 🞅 None
CA2231 Overload operator equals on overriding ValueType.Equals ⚠ Warning
CA2234 Pass System.Uri objects instead of strings ⚠ Warning
CA2235 Mark all non-serializable fields ⚠ Warning
CA2237 Mark ISerializable types with SerializableAttribute ⚠ Warning
CA2241 Provide correct arguments to formatting methods ⛔ Error
CA2242 Test for NaN correctly ⛔ Error
CA2243 Attribute string literals should parse correctly ⛔ Error
CA2244 Do not duplicate indexed element initializations ⛔ Error
CA2245 Do not assign a property to itself ⛔ Error
CA2246 Do not assign a symbol and its member in the same statement ⛔ Error
CA2247 Argument passed to TaskCompletionSource constructor should be
TaskCreationOptions enum		 ⚠ Warning
CA2248 Provide correct enum argument to Enum.HasFlag ⛔ Error
CA2249 Consider using String.Contains instead of String.IndexOf ⚠ Warning
CA2250 Use ThrowIfCancellationRequested ⚠ Warning
CA2251 Use String.Equals over String.Compare ⚠ Warning
CA2252 Opt in to preview features before using them ⛔ Error
CA2253 Named placeholders should not be numeric values ⚠ Warning
CA2254 Template should be a static expression ⚠ Warning
CA2255 The ModuleInitializer attribute should not be used in libraries ⚠ Warning
CA2256 All members declared in parent interfaces must implement DICI-attributed interface ⚠ Warning
CA2257 Members defined on an interface with the DICIAttribute should be static ⚠ Warning
CA2258 Providing a DICI interface in Visual Basic is unsupported ⚠ Warning
CA2259 Ensure ThreadStatic is only used with static fields ⚠ Warning
CA2260 Implement generic math interfaces correctly ⚠ Warning
CA2261 Do not use ConfigureAwaitOptions.SuppressThrowing with Task ⚠ Warning
.editorconfig 
dotnet_diagnostic.CA1816.severity = suggestion 
dotnet_diagnostic.CA2200.severity = warning
dotnet_diagnostic.CA2201.severity = warning
dotnet_diagnostic.CA2207.severity = warning 
dotnet_diagnostic.CA2208.severity = warning
dotnet_diagnostic.CA2211.severity = warning
dotnet_diagnostic.CA2213.severity = warning 
dotnet_diagnostic.CA2214.severity = warning 
dotnet_diagnostic.CA2215.severity = warning
dotnet_diagnostic.CA2216.severity = warning 
dotnet_diagnostic.CA2217.severity = error 
dotnet_diagnostic.CA2218.severity = warning
dotnet_diagnostic.CA2219.severity = error
dotnet_diagnostic.CA2224.severity = none
dotnet_diagnostic.CA2225.severity = none
dotnet_diagnostic.CA2226.severity = none
dotnet_diagnostic.CA2227.severity = warning
dotnet_diagnostic.CA2229.severity = none
dotnet_diagnostic.CA2231.severity = warning
dotnet_diagnostic.CA2234.severity = warning 
dotnet_diagnostic.CA2235.severity = warning 
dotnet_diagnostic.CA2237.severity = warning 
dotnet_diagnostic.CA2241.severity = error
dotnet_diagnostic.CA2242.severity = error
dotnet_diagnostic.CA2243.severity = error 
dotnet_diagnostic.CA2244.severity = error
dotnet_diagnostic.CA2245.severity = error
dotnet_diagnostic.CA2246.severity = error
dotnet_diagnostic.CA2247.severity = warning
dotnet_diagnostic.CA2248.severity = error
dotnet_diagnostic.CA2249.severity = warning
dotnet_diagnostic.CA2250.severity = warning
dotnet_diagnostic.CA2251.severity = warning
dotnet_diagnostic.CA2252.severity = error
dotnet_diagnostic.CA2253.severity = warning
dotnet_diagnostic.CA2254.severity = warning
dotnet_diagnostic.CA2255.severity = warning
dotnet_diagnostic.CA2256.severity = warning
dotnet_diagnostic.CA2257.severity = warning
dotnet_diagnostic.CA2258.severity = warning
dotnet_diagnostic.CA2259.severity = warning
dotnet_diagnostic.CA2260.severity = warning
dotnet_diagnostic.CA2261.severity = warning

Code style rules

Language rules | using directive preferences

Language rules | Code block preferences

Language rules | Expression-bodied preferences

Language rules | Expression-level preferences

Language rules | Field preferences

Language rules | Modifier preferences

Language rules | New line preferences

Language rules | Null-checking preferences

Language rules | Parameter preferences

Language rules | Parentheses preferences

Language rules | Pattern matching preferences

Language rules | this preferences

Language rules | var preferences

Formatting rules

.editorconfig 
dotnet_diagnostic.IDE0055.severity = warning

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