| RCS1001 |
Add braces (when expression spans over multiple lines) |
Style |
Info |
| RCS1002 |
Remove braces |
Style |
None |
| RCS1003 |
Add braces to if-else (when expression spans over multiple lines) |
Style |
Info |
| RCS1004 |
Remove braces from if-else |
Style |
None |
| RCS1005 |
Simplify nested using statement |
Simplification |
Hidden |
| RCS1006 |
Merge 'else' with nested 'if' |
Simplification |
Hidden |
| RCS1007 |
Add braces |
Style |
None |
| RCS1008 |
Use explicit type instead of 'var' (when the type is not obvious) |
Readability |
None |
| RCS1009 |
Use explicit type instead of 'var' (foreach variable) |
Readability |
None |
| RCS1010 |
Use 'var' instead of explicit type (when the type is obvious) |
Simplification |
None |
| RCS1012 |
Use explicit type instead of 'var' (when the type is obvious) |
Readability |
None |
| RCS1013 |
Use predefined type |
Usage |
None |
| RCS1014 |
Use explicitly typed array (or vice versa) |
Readability |
None |
| RCS1015 |
Use nameof operator |
Maintainability |
Info |
| RCS1016 |
Convert block body to expression-body (or vice versa) |
Usage |
None |
| RCS1017 |
[deprecated] Avoid multiline expression body |
Style |
None |
| RCS1018 |
Add accessibility modifiers (or vice versa) |
Readability |
Info |
| RCS1019 |
Order modifiers |
Readability |
None |
| RCS1020 |
Simplify Nullable<T> to T? |
Simplification |
Info |
| RCS1021 |
Convert lambda expression body to expression-body |
Simplification |
Info |
| RCS1031 |
Remove unnecessary braces |
Redundancy |
Hidden |
| RCS1032 |
Remove redundant parentheses |
Redundancy |
Info |
| RCS1033 |
Remove redundant boolean literal |
Redundancy |
Info |
| RCS1034 |
Remove redundant 'sealed' modifier |
Redundancy |
Hidden |
| RCS1035 |
Remove redundant comma in initializer |
Redundancy |
None |
| RCS1036 |
Remove redundant empty line |
Redundancy |
Info |
| RCS1037 |
Remove trailing white-space |
Redundancy |
Info |
| RCS1038 |
Remove empty statement |
Redundancy |
Info |
| RCS1039 |
Remove argument list from attribute |
Redundancy |
Hidden |
| RCS1040 |
Remove empty 'else' clause |
Redundancy |
Hidden |
| RCS1041 |
Remove empty initializer |
Redundancy |
Info |
| RCS1042 |
Remove enum default underlying type |
Redundancy |
Hidden |
| RCS1043 |
Remove 'partial' modifier from type with a single part |
Redundancy |
Hidden |
| RCS1044 |
Remove original exception from throw statement |
Maintainability |
Warning |
| RCS1045 |
Rename private field to camel case with underscore |
Naming |
None |
| RCS1046 |
Asynchronous method name should end with 'Async' |
Naming |
None |
| RCS1047 |
Non-asynchronous method name should not end with 'Async' |
Naming |
Info |
| RCS1048 |
Use lambda expression instead of anonymous method |
Usage |
Info |
| RCS1049 |
Simplify boolean comparison |
Simplification |
Info |
| RCS1050 |
Add argument list to object creation expression (or vice versa) |
Style |
None |
| RCS1051 |
Parenthesize condition of conditional expression |
Style |
None |
| RCS1052 |
Declare each attribute separately |
Readability |
None |
| RCS1055 |
Avoid semicolon at the end of declaration |
Redundancy |
Hidden |
| RCS1056 |
Avoid usage of using alias directive |
Readability |
None |
| RCS1058 |
Use compound assignment |
Simplification |
Info |
| RCS1059 |
Avoid locking on publicly accessible instance |
Design |
Warning |
| RCS1060 |
Declare each type in separate file |
Maintainability |
None |
| RCS1061 |
Merge 'if' with nested 'if' |
Simplification |
Hidden |
| RCS1063 |
Avoid usage of do statement to create an infinite loop |
Style |
Info |
| RCS1064 |
Avoid usage of for statement to create an infinite loop |
Style |
None |
| RCS1065 |
Avoid usage of while statement to create an infinite loop |
Style |
None |
| RCS1066 |
Remove empty 'finally' clause |
Redundancy |
Hidden |
| RCS1068 |
Simplify logical negation |
Simplification |
Info |
| RCS1069 |
Remove unnecessary case label |
Redundancy |
Hidden |
| RCS1070 |
Remove redundant default switch section |
Redundancy |
Hidden |
| RCS1071 |
Remove redundant base constructor call |
Redundancy |
Hidden |
| RCS1072 |
Remove empty namespace declaration |
Redundancy |
Info |
| RCS1073 |
Convert 'if' to 'return' statement |
Simplification |
Info |
| RCS1074 |
Remove redundant constructor |
Redundancy |
Hidden |
| RCS1075 |
Avoid empty catch clause that catches System.Exception |
Design |
Warning |
| RCS1077 |
Optimize LINQ method call |
Performance |
Info |
| RCS1078 |
Use "" instead of string.Empty (or vice versa) |
General |
None |
| RCS1079 |
Throwing of new NotImplementedException |
General |
None |
| RCS1080 |
Use 'Count/Length' property instead of 'Any' method |
Performance |
Info |
| RCS1081 |
Split variable declaration |
Readability |
None |
| RCS1084 |
Use coalesce expression instead of conditional expression |
Simplification |
Info |
| RCS1085 |
Use auto-implemented property |
Simplification |
Info |
| RCS1089 |
Use --/++ operator instead of assignment |
Simplification |
Info |
| RCS1090 |
Add call to 'ConfigureAwait' (or vice versa) |
Design |
None |
| RCS1091 |
Remove empty region |
Redundancy |
Hidden |
| RCS1093 |
Remove file with no code |
Redundancy |
Info |
| RCS1094 |
Declare using directive on top level |
Readability |
None |
| RCS1096 |
Convert 'HasFlag' call to bitwise operation (or vice versa) |
Performance |
Info |
| RCS1097 |
Remove redundant 'ToString' call |
Redundancy |
Info |
| RCS1098 |
Constant values should be placed on right side of comparisons |
Readability |
Info |
| RCS1099 |
Default label should be the last label in a switch section |
Readability |
Info |
| RCS1100 |
Format documentation summary on a single line |
Formatting |
None |
| RCS1101 |
Format documentation summary on multiple lines |
Formatting |
None |
| RCS1102 |
Make class static |
Design |
Warning |
| RCS1103 |
Convert 'if' to assignment |
Simplification |
Info |
| RCS1104 |
Simplify conditional expression |
Simplification |
Info |
| RCS1105 |
Unnecessary interpolation |
Simplification |
Info |
| RCS1106 |
Remove empty destructor |
Redundancy |
Info |
| RCS1107 |
Remove redundant 'ToCharArray' call |
Redundancy |
Info |
| RCS1108 |
Add 'static' modifier to all partial class declarations |
Readability |
Info |
| RCS1110 |
Declare type inside namespace |
Design |
Info |
| RCS1111 |
Add braces to switch section with multiple statements |
Style |
None |
| RCS1112 |
Combine 'Enumerable.Where' method chain |
Simplification |
Info |
| RCS1113 |
Use 'string.IsNullOrEmpty' method |
Usage |
Info |
| RCS1114 |
Remove redundant delegate creation |
Redundancy |
Info |
| RCS1118 |
Mark local variable as const |
General |
Info |
| RCS1123 |
Add parentheses when necessary |
Readability |
Info |
| RCS1124 |
Inline local variable |
Simplification |
Hidden |
| RCS1126 |
Add braces to if-else |
Style |
None |
| RCS1128 |
Use coalesce expression |
Simplification |
Info |
| RCS1129 |
Remove redundant field initialization |
Redundancy |
Hidden |
| RCS1130 |
Bitwise operation on enum without Flags attribute |
General |
Info |
| RCS1132 |
Remove redundant overriding member |
Redundancy |
Info |
| RCS1133 |
Remove redundant Dispose/Close call |
Redundancy |
Hidden |
| RCS1134 |
Remove redundant statement |
Redundancy |
Hidden |
| RCS1135 |
Declare enum member with zero value (when enum has FlagsAttribute) |
Design |
Info |
| RCS1136 |
Merge switch sections with equivalent content |
Simplification |
Hidden |
| RCS1138 |
Add summary to documentation comment |
Maintainability |
Warning |
| RCS1139 |
Add summary element to documentation comment |
Maintainability |
Warning |
| RCS1140 |
Add exception to documentation comment |
Maintainability |
Hidden |
| RCS1141 |
Add 'param' element to documentation comment |
Maintainability |
Hidden |
| RCS1142 |
Add 'typeparam' element to documentation comment |
Maintainability |
Hidden |
| RCS1143 |
Simplify coalesce expression |
Simplification |
Hidden |
| RCS1145 |
Remove redundant 'as' operator |
Redundancy |
Hidden |
| RCS1146 |
Use conditional access |
Usage |
Info |
| RCS1151 |
Remove redundant cast |
Redundancy |
Hidden |
| RCS1154 |
Sort enum members |
Readability |
Info |
| RCS1155 |
Use StringComparison when comparing strings |
Usage |
Warning |
| RCS1156 |
Use string.Length instead of comparison with empty string |
Usage |
Info |
| RCS1157 |
Composite enum value contains undefined flag |
Design |
Info |
| RCS1158 |
Static member in generic type should use a type parameter |
Design |
Info |
| RCS1159 |
Use EventHandler<T> |
Usage |
Info |
| RCS1160 |
Abstract type should not have public constructors |
Design |
Info |
| RCS1161 |
Enum should declare explicit values |
Readability |
Hidden |
| RCS1162 |
Avoid chain of assignments |
Readability |
None |
| RCS1163 |
Unused parameter |
Redundancy |
Info |
| RCS1164 |
Unused type parameter |
Redundancy |
Info |
| RCS1165 |
Unconstrained type parameter checked for null |
Usage |
Hidden |
| RCS1166 |
Value type object is never equal to null |
Usage |
Info |
| RCS1168 |
Parameter name differs from base name |
Maintainability |
Hidden |
| RCS1169 |
Make field read-only |
Design |
Info |
| RCS1170 |
Use read-only auto-implemented property |
Design |
Info |
| RCS1171 |
Simplify lazy initialization |
Simplification |
Info |
| RCS1172 |
Use 'is' operator instead of 'as' operator |
Simplification |
Warning |
| RCS1173 |
Use coalesce expression instead of 'if' |
Simplification |
Info |
| RCS1174 |
Remove redundant async/await |
Redundancy |
None |
| RCS1175 |
Unused this parameter |
Redundancy |
Info |
| RCS1176 |
Use 'var' instead of explicit type (when the type is not obvious) |
Simplification |
None |
| RCS1177 |
Use 'var' instead of explicit type (in foreach) |
Simplification |
None |
| RCS1179 |
Unnecessary assignment |
Simplification |
Info |
| RCS1180 |
Inline lazy initialization |
Simplification |
Info |
| RCS1181 |
Convert comment to documentation comment |
General |
Hidden |
| RCS1182 |
Remove redundant base interface |
Redundancy |
Hidden |
| RCS1186 |
Use Regex instance instead of static method |
Usage |
Hidden |
| RCS1187 |
Use constant instead of field |
Design |
Info |
| RCS1188 |
Remove redundant auto-property initialization |
Redundancy |
Hidden |
| RCS1189 |
Add or remove region name |
Readability |
Hidden |
| RCS1190 |
Join string expressions |
Simplification |
Info |
| RCS1191 |
Declare enum value as combination of names |
Readability |
Info |
| RCS1192 |
Unnecessary usage of verbatim string literal |
Readability |
Info |
| RCS1193 |
Overriding member should not change 'params' modifier |
Design |
Warning |
| RCS1194 |
Implement exception constructors |
Design |
Warning |
| RCS1195 |
Use ^ operator |
Simplification |
Info |
| RCS1196 |
Call extension method as instance method |
Style |
Info |
| RCS1197 |
Optimize StringBuilder.Append/AppendLine call |
Performance |
Info |
| RCS1198 |
Avoid unnecessary boxing of value type |
Performance |
None |
| RCS1199 |
Unnecessary null check |
Redundancy |
Info |
| RCS1200 |
Call 'Enumerable.ThenBy' instead of 'Enumerable.OrderBy' |
Usage |
Info |
| RCS1201 |
Use method chaining |
Simplification |
Hidden |
| RCS1202 |
Avoid NullReferenceException |
Usage |
Info |
| RCS1203 |
Use AttributeUsageAttribute |
Design |
Warning |
| RCS1204 |
Use EventArgs.Empty |
Usage |
Info |
| RCS1205 |
Order named arguments according to the order of parameters |
Readability |
Info |
| RCS1206 |
Use conditional access instead of conditional expression |
Usage |
Info |
| RCS1207 |
Convert anonymous function to method group (or vice versa) |
Simplification |
None |
| RCS1208 |
Reduce 'if' nesting |
Style |
None |
| RCS1209 |
Order type parameter constraints |
Readability |
Info |
| RCS1210 |
Return completed task instead of returning null |
Usage |
Warning |
| RCS1211 |
Remove unnecessary 'else' |
Redundancy |
Hidden |
| RCS1212 |
Remove redundant assignment |
Redundancy |
Info |
| RCS1213 |
Remove unused member declaration |
Redundancy |
Info |
| RCS1214 |
Unnecessary interpolated string |
Simplification |
Info |
| RCS1215 |
Expression is always equal to true/false |
Redundancy |
Warning |
| RCS1216 |
Unnecessary unsafe context |
Redundancy |
Info |
| RCS1217 |
Convert interpolated string to concatenation |
Readability |
Hidden |
| RCS1218 |
Simplify code branching |
Readability |
Info |
| RCS1220 |
Use pattern matching instead of combination of 'is' operator and cast operator |
Usage |
Info |
| RCS1221 |
Use pattern matching instead of combination of 'as' operator and null check |
Usage |
Info |
| RCS1222 |
Merge preprocessor directives |
Readability |
Info |
| RCS1223 |
Mark publicly visible type with DebuggerDisplay attribute |
Usage |
None |
| RCS1224 |
Make method an extension method |
Design |
Info |
| RCS1225 |
Make class sealed |
Design |
Info |
| RCS1226 |
Add paragraph to documentation comment |
Usage |
Info |
| RCS1227 |
Validate arguments correctly |
Design |
Info |
| RCS1228 |
Unused element in documentation comment |
Readability |
Hidden |
| RCS1229 |
Use async/await when necessary |
Usage |
Info |
| RCS1230 |
Unnecessary explicit use of enumerator |
Readability |
Info |
| RCS1231 |
Make parameter ref read-only |
Performance |
None |
| RCS1232 |
Order elements in documentation comment |
Readability |
Info |
| RCS1233 |
Use short-circuiting operator |
Usage |
Info |
| RCS1234 |
Duplicate enum value |
Readability |
Info |
| RCS1235 |
Optimize method call |
Performance |
Info |
| RCS1236 |
Use exception filter |
Usage |
Info |
| RCS1237 |
Use bit shift operator |
Usage |
Hidden |
| RCS1238 |
Avoid nested ?: operators |
Readability |
Hidden |
| RCS1239 |
Use 'for' statement instead of 'while' statement |
Readability |
Info |
| RCS1240 |
Operator is unnecessary |
Redundancy |
Info |
| RCS1241 |
Implement non-generic counterpart |
Design |
Hidden |
| RCS1242 |
Do not pass non-read-only struct by read-only reference |
Performance |
Warning |
| RCS1243 |
Duplicate word in a comment |
General |
Info |
| RCS1244 |
Simplify 'default' expression |
Simplification |
Hidden |
| RCS1246 |
Use element access |
Usage |
Info |
| RCS1247 |
Fix documentation comment tag |
Readability |
Info |
| RCS1248 |
Use pattern matching to check for null (or vice versa) |
Style |
None |