ReSharper 2020.2 Help

Code Inspections in VB.NET

In VB.NET, ReSharper 2020.2 provides two kinds of code inspections: 261 inspections that detect errors such as broken syntax, unresolved symbols, compiler errors, and so on (you cannot configure or disable any of these inspections), and 256 proprietary code inspections, any of which you can disable or change its severity level.
These code inspections help you detect code issues in design time in all open files, and additionally they allow you to find code issues in specific scope.

Configurable VB.NET inspections are listed below, grouped by their categories.

Code Notification (1 inspection)

This category groups code inspections with minor severity levels.
Inspection
ID
EditorConfig property
Default severity
Inactive preprocessor branch
InactivePreprocessorBranch
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Warning

Common Practices and Code Improvements (110 inspections)

This category groups inspections that hunt for medium severity issues that mainly affect code readability.
Inspection
ID
EditorConfig property
Default severity
Annotation duplicate in hierarchy
AnnotationRedundancyInHierarchy
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Warning
Auto-property can be made get-only (non-private accessibility)
AutoPropertyCanBeMadeGetOnly.Global
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Suggestion
Auto-property can be made get-only (private accessibility)
AutoPropertyCanBeMadeGetOnly.Local
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Suggestion
Check for reference equality instead
VBCheckForReferenceEqualityInstead.1
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Suggestion
Check for reference equality instead
VBCheckForReferenceEqualityInstead.2
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Suggestion
Class can be made sealed (non-inheritable) (non-private accessibility)
ClassCanBeSealed.Global
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Disabled
Class can be made sealed (non-inheritable) (private accessibility)
ClassCanBeSealed.Local
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Disabled
Container nullability attribute usage with declaration of non-container type
ContainerAnnotationRedundancy
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Warning
Convert local variable or field to constant (non-private accessibility)
ConvertToConstant.Global
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Hint
Convert local variable or field to constant (private accessibility)
ConvertToConstant.Local
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Hint
Convert property to auto-property
ConvertToVbAutoProperty
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Suggestion
Convert property to auto-property when possible
ConvertToVbAutoPropertyWhenPossible
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Hint
Convert property to auto-property with private setter
ConvertToVbAutoPropertyWithPrivateSetter
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Hint
Field can be made readonly (non-private accessibility)
FieldCanBeMadeReadOnly.Global
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Suggestion
Field can be made readonly (private accessibility)
FieldCanBeMadeReadOnly.Local
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Suggestion
Get-only auto-property is never assigned
UnassignedGetOnlyAutoProperty
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Warning
Local function can be made static
LocalFunctionCanBeMadeStatic
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Hint
Member can be made private (non-private accessibility)
MemberCanBePrivate.Global
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Suggestion
Member can be made private (private accessibility)
MemberCanBePrivate.Local
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Suggestion
Member can be made protected (non-private accessibility)
MemberCanBeProtected.Global
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Suggestion
Member can be made protected (private accessibility)
MemberCanBeProtected.Local
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Suggestion
Member can be made static(shared) (non-private accessibility)
MemberCanBeMadeStatic.Global
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Hint
Member can be made static(shared) (private accessibility)
MemberCanBeMadeStatic.Local
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Hint
Member or type can be made internal(friend)
MemberCanBeInternal
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Disabled
Multiple nullable attributes usage
MultipleNullableAttributesUsage
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Warning
Nullability attribute usage with declaration of void or value type
AnnotationRedundancyAtValueType
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Warning
Parameter can be declared with base type
SuggestBaseTypeForParameter
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Hint
Parameter type can be IEnumerable<T> (non-private accessibility)
ParameterTypeCanBeEnumerable.Global
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Hint
Parameter type can be IEnumerable<T> (private accessibility)
ParameterTypeCanBeEnumerable.Local
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Hint
Possible mistaken argument
VBPossibleMistakenArgument
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Warning
Possible mistaken call to GetType()
VBPossibleMistakenCallToGetType.1
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Warning
Possible mistaken call to GetType()
VBPossibleMistakenCallToGetType.2
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Warning
Remove ToList()
VBRemoveToList.1
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Suggestion
Remove ToList()
VBRemoveToList.2
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Suggestion
Replace with FirstOrDefault($args$)
VBReplaceWithFirstOrDefault
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Suggestion
Replace with LastOrDefault($args$)
VBReplaceWithLastOrDefault
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Suggestion
Replace with OfType<T>() (replace with OfType(Of ..)())
VBReplaceWithOfType.1
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Suggestion
Replace with OfType<T>() (replace with OfType(Of ..)())
VBReplaceWithOfType.2
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Suggestion
Replace with OfType<T>().Any() (replace with OfType(Of ..)().Any())
VBReplaceWithOfType.Any.1
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Suggestion
Replace with OfType<T>().Any() (replace with OfType(Of ..)().Any(..))
VBReplaceWithOfType.Any.2
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Suggestion
Replace with OfType<T>().Count() (replace with OfType(Of ..)().Count())
VBReplaceWithOfType.Count.1
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Suggestion
Replace with OfType<T>().Count() (replace with OfType(Of ..)().Count(..))
VBReplaceWithOfType.Count.2
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Suggestion
Replace with OfType<T>().First() (replace with OfType(Of ..)().First())
VBReplaceWithOfType.First.1
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Suggestion
Replace with OfType<T>().First() (replace with OfType(Of ..)().First(..))
VBReplaceWithOfType.First.2
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Suggestion
Replace with OfType<T>().FirstOrDefault() (replace with OfType(Of ..)().FirstOrDefault())
VBReplaceWithOfType.FirstOrDefault.1
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Suggestion
Replace with OfType<T>().FirstOrDefault() (replace with OfType(Of ..)().FirstOrDefault(..))
VBReplaceWithOfType.FirstOrDefault.2
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Suggestion
Replace with OfType<T>().Last() (replace with OfType(Of ..)().Last())
VBReplaceWithOfType.Last.1
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Suggestion
Replace with OfType<T>().Last() (replace with OfType(Of ..)().Last(..))
VBReplaceWithOfType.Last.2
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Suggestion
Replace with OfType<T>().LastOrDefault() (replace with OfType(Of ..)().LastOrDefault())
VBReplaceWithOfType.LastOrDefault.1
resharper_vb_replace_with_of_type_last_or_default_1_highlighting
Suggestion
Replace with OfType<T>().LastOrDefault() (replace with OfType(Of ..)().LastOrDefault(..))
VBReplaceWithOfType.LastOrDefault.2
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Suggestion
Replace with OfType<T>().Single() (replace with OfType(Of ..)().Single())
VBReplaceWithOfType.Single.1
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Suggestion
Replace with OfType<T>().Single() (replace with OfType(Of ..)().Single(..))
VBReplaceWithOfType.Single.2
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Suggestion
Replace with OfType<T>().SingleOrDefault() (replace with OfType(Of ..)().SingleOrDefault())
VBReplaceWithOfType.SingleOrDefault.1
resharper_vb_replace_with_of_type_single_or_default_1_highlighting
Suggestion
Replace with OfType<T>().SingleOrDefault() (replace with OfType(Of ..)().SingleOrDefault(..))
VBReplaceWithOfType.SingleOrDefault.2
resharper_vb_replace_with_of_type_single_or_default_2_highlighting
Suggestion
Replace with OfType<T>().Where() (replace with OfType(Of ..)().Where(..))
VBReplaceWithOfType.Where
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Suggestion
Replace with single assignment
VBReplaceWithSingleAssignment.1
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Suggestion
Replace with single assignment
VBReplaceWithSingleAssignment.2
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Suggestion
Replace with single call to Any(..)
VBReplaceWithSingleCallToAny
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Suggestion
Replace with single call to Count(..)
VBReplaceWithSingleCallToCount
resharper_vb_replace_with_single_call_to_count_highlighting
Suggestion
Replace with single call to First(..)
VBReplaceWithSingleCallToFirst
resharper_vb_replace_with_single_call_to_first_highlighting
Suggestion
Replace with single call to FirstOrDefault(..)
VBReplaceWithSingleCallToFirstOrDefault
resharper_vb_replace_with_single_call_to_first_or_default_highlighting
Suggestion
Replace with single call to Last(..)
VBReplaceWithSingleCallToLast
resharper_vb_replace_with_single_call_to_last_highlighting
Suggestion
Replace with single call to LastOrDefault(..)
VBReplaceWithSingleCallToLastOrDefault
resharper_vb_replace_with_single_call_to_last_or_default_highlighting
Suggestion
Replace with single call to Single(..)
VBReplaceWithSingleCallToSingle
resharper_vb_replace_with_single_call_to_single_highlighting
Suggestion
Replace with single call to SingleOrDefault(..)
VBReplaceWithSingleCallToSingleOrDefault
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Suggestion
Replace with SingleOrDefault($args$)
VBReplaceWithSingleOrDefault
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Suggestion
Return type can be IEnumerable<T> (non-private accessibility)
ReturnTypeCanBeEnumerable.Global
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Hint
Return type can be IEnumerable<T> (private accessibility)
ReturnTypeCanBeEnumerable.Local
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Hint
Simplify conditional operator
SimplifyConditionalOperator
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Suggestion
Simplify expression
VBSimplifyLinqExpression.1
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Suggestion
Simplify expression
VBSimplifyLinqExpression.2
resharper_vb_simplify_linq_expression_2_highlighting
Suggestion
Simplify expression
VBSimplifyLinqExpression.3
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Suggestion
Simplify expression
VBSimplifyLinqExpression.4
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Suggestion
Simplify expression
VBSimplifyLinqExpression.5
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Suggestion
Simplify expression
VBSimplifyLinqExpression.6
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Suggestion
Simplify expression
VBSimplifyLinqExpression.7
resharper_vb_simplify_linq_expression_7_highlighting
Hint
Simplify expression
VBSimplifyLinqExpression.8
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Hint
Simplify expression
VBSimplifyLinqExpression.9
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Hint
Simplify expression
VBSimplifyLinqExpression.10
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Hint
Simplify 'IIf'
SimplifyIIf
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Suggestion
Specify string comparison explicitly
SpecifyStringComparison
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Hint
String.Compare is culture-specific (string.Compare(string, int, string, int) is culture-specific)
VBStringCompareIsCultureSpecific.4
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Warning
String.Compare is culture-specific (string.Compare(string, int, string, int, bool) is culture-specific)
VBStringCompareIsCultureSpecific.5
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Warning
String.Compare is culture-specific (string.Compare(string, int, string, int, bool) is culture-specific)
VBStringCompareIsCultureSpecific.6
resharper_vb_string_compare_is_culture_specific_6_highlighting
Warning
String.Compare is culture-specific (string.Compare(string, string) is culture-specific)
VBStringCompareIsCultureSpecific.1
resharper_vb_string_compare_is_culture_specific_1_highlighting
Warning
String.Compare is culture-specific (string.Compare(string, string, bool) is culture-specific)
VBStringCompareIsCultureSpecific.2
resharper_vb_string_compare_is_culture_specific_2_highlighting
Warning
String.Compare is culture-specific (string.Compare(string, string, bool) is culture-specific)
VBStringCompareIsCultureSpecific.3
resharper_vb_string_compare_is_culture_specific_3_highlighting
Warning
String.CompareTo is culture-specific
VBStringCompareToIsCultureSpecific
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Warning
String.EndsWith is culture-specific (string.EndsWith(string) is culture-specific)
VBStringEndsWithIsCultureSpecific
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Disabled
String.IndexOf is culture-specific (string.IndexOf(string) is culture-specific)
VBStringIndexOfIsCultureSpecific.1
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Warning
String.IndexOf is culture-specific (string.IndexOf(string, int) is culture-specific)
VBStringIndexOfIsCultureSpecific.2
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Warning
String.IndexOf is culture-specific (string.IndexOf(string, int) is culture-specific)
VBStringIndexOfIsCultureSpecific.3
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Warning
String.LastIndexOf is culture-specific (string.LastIndexOf(string) is culture-specific)
VBStringLastIndexOfIsCultureSpecific.1
resharper_vb_string_last_index_of_is_culture_specific_1_highlighting
Warning
String.LastIndexOf is culture-specific (string.LastIndexOf(string, int) is culture-specific)
VBStringLastIndexOfIsCultureSpecific.2
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Warning
String.LastIndexOf is culture-specific (string.LastIndexOf(string, int) is culture-specific)
VBStringLastIndexOfIsCultureSpecific.3
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Warning
String.StartsWith is culture-specific (string.StartsWith(string) is culture-specific)
VBStringStartsWithIsCultureSpecific
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Disabled
Struct can be made readonly
StructCanBeMadeReadOnly
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Suggestion
Struct member can be made readonly
StructMemberCanBeMadeReadOnly
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Disabled
try-catch and try-finally statements can be merged
TryStatementsCanBeMerged
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Hint
Use array creation expression
VBUseArrayCreationExpression.1
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Suggestion
Use array creation expression
VBUseArrayCreationExpression.2
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Suggestion
Use First() instead
VBUseFirstInstead
resharper_vb_use_first_instead_highlighting
Warning
Use method Any()
VBUseMethodAny.1
resharper_vb_use_method_any_1_highlighting
Suggestion
Use method Any()
VBUseMethodAny.2
resharper_vb_use_method_any_2_highlighting
Suggestion
Use method Any()
VBUseMethodAny.3
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Suggestion
Use method Any()
VBUseMethodAny.4
resharper_vb_use_method_any_4_highlighting
Suggestion
Use method Any()
VBUseMethodAny.5
resharper_vb_use_method_any_5_highlighting
Suggestion
Use method IsInstanceOfType(..)
VBUseMethodIsInstanceOfType
resharper_vb_use_method_is_instance_of_type_highlighting
Suggestion
Use 'TypeOf .. Is ..' operator
VBUseTypeOfIsOperator.1
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Suggestion
Use 'TypeOf .. Is ..' operator
VBUseTypeOfIsOperator.2
resharper_vb_use_type_of_is_operator_2_highlighting
Suggestion

Compiler Warnings (22 inspections)

Inspections in this category detect compiler warnings before you compile.
Inspection
ID
EditorConfig property
Default severity
Access of shared member through an instance
VBWarnings::BC42025
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Warning
Async method lacks 'Await' operators
VBWarnings::BC42356
resharper_vb_warnings_bc42356_highlighting
Warning
Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'Await' operator to the result of the call.
VBWarnings::BC42358
resharper_vb_warnings_bc42358_highlighting
Warning
Field is never used
UnusedField.Compiler
resharper_unused_field_compiler_highlighting
Warning
Function doesn't return a reference type value on all code paths
VBWarnings::BC42105,BC42106,BC42107
resharper_vb_warnings_bc42105_bc42106_bc42107_highlighting
Warning
Function doesn't return a struct value on all code paths
VBWarnings::BC42353,BC42354,BC42355
resharper_vb_warnings_bc42353_bc42354_bc42355_highlighting
Warning
Member shadows an overriable member
VBWarnings::BC400005
resharper_vb_warnings_bc400005_highlighting
Warning
Namespace or type specified in the Imports 'name' doesn't contain any public member or cannot be found
VBWarnings::BC40056
resharper_vb_warnings_bc40056_highlighting
Warning
Namespace should be default namespace of this project
VBWarnings::WME006
resharper_vb_warnings_wme006_highlighting
Warning
Non-accessed field
NotAccessedField.Compiler
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Warning
Non-accessed local variable
NotAccessedVariable.Compiler
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Warning
Redundant DirectCast to the equals value type
VBWarnings::BC42349
resharper_vb_warnings_bc42349_highlighting
Warning
Runtime errors are likely to occur when converting X to Y
VBWarnings::BC42322
resharper_vb_warnings_bc42322_highlighting
Warning
Runtime errors might occur when converting X to Y
VBWarnings::BC42016
resharper_vb_warnings_bc42016_highlighting
Warning
Syntax error in XML comment
VBWarnings::BC42304
resharper_vb_warnings_bc42304_highlighting
Warning
Unassigned field
UnassignedField.Compiler
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Warning
Unassigned readonly field
UnassignedReadonlyField.Compiler
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Warning
Unused local variable
UnusedVariable.Compiler
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Warning
Use obsolete member
VBWarnings::BC40000
resharper_vb_warnings_bc40000_highlighting
Warning
Use obsolete member (without message)
VBWarnings::BC40008
resharper_vb_warnings_bc40008_highlighting
Warning
Variable is used before it has been assigned a value
VBWarnings::BC42104
resharper_vb_warnings_bc42104_highlighting
Warning
XML comment has a tag with a 'cref' attribute that could not be resolved
VBWarnings::BC42309
resharper_vb_warnings_bc42309_highlighting
Warning

Constraints Violations (2 inspections)

This category includes code inspections, mostly with the warning severity level, which detect violations related to symbol attributes, including ReSharper's code annotations, and other similar issues.
Inspection
ID
EditorConfig property
Default severity
Inconsistent Naming
InconsistentNaming
resharper_inconsistent_naming_highlighting
Warning
Namespace does not correspond to file location
CheckNamespace
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Warning

Language Usage Opportunities (6 inspections)

This category includes code inspections, mostly with the suggestion severity level, which notify you when more advanced language constructs can be used. These inspections detect syntax of outdated language versions and suggest using features from more modern language versions. For most of the supported languages, language version can be detected automatically or set manually.
Inspection
ID
EditorConfig property
Default severity
Convert static method invocation to extension method call
InvokeAsExtensionMethod
resharper_invoke_as_extension_method_highlighting
Suggestion
Foreach loop can be converted into LINQ-expression but another 'GetEnumerator' method will be used
ForeachCanBeConvertedToQueryUsingAnotherGetEnumerator
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Hint
Loop can be converted into LINQ-expression
LoopCanBeConvertedToQuery
resharper_loop_can_be_converted_to_query_highlighting
Hint
Part of foreach loop can be converted into LINQ-expression but another 'GetEnumerator' method will be used
ForeachCanBePartlyConvertedToQueryUsingAnotherGetEnumerator
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Hint
Part of loop's body can be converted into LINQ-expression
LoopCanBePartlyConvertedToQuery
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Disabled
Use string interpolation expression
UseStringInterpolation
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Suggestion

Potential Code Quality Issues (61 inspections)

This category includes inspections that detect critical issues (code smells), mostly with Error or Warning level. This category also includes inspections that ensure localization assistance.
Inspection
ID
EditorConfig property
Default severity
'?:' expression has identical true and false branches
ConditionalTernaryEqualBranch
resharper_conditional_ternary_equal_branch_highlighting
Warning
[ThreadStatic] doesn't work with instance fields
ThreadStaticAtInstanceField
resharper_thread_static_at_instance_field_highlighting
Warning
Abstract or virtual (overridable) event is never invoked
EventNeverInvoked.Global
resharper_event_never_invoked_global_highlighting
Suggestion
Access to disposed captured variable
AccessToDisposedClosure
resharper_access_to_disposed_closure_highlighting
Warning
Access to foreach variable in closure
AccessToForEachVariableInClosure
resharper_access_to_for_each_variable_in_closure_highlighting
Warning
Access to modified captured variable
AccessToModifiedClosure
resharper_access_to_modified_closure_highlighting
Warning
Annotation conflict in hierarchy
AnnotationConflictInHierarchy
resharper_annotation_conflict_in_hierarchy_highlighting
Warning
Auto-property accessor is never used (non-private accessibility)
UnusedAutoPropertyAccessor.Global
resharper_unused_auto_property_accessor_global_highlighting
Warning
Auto-property accessor is never used (private accessibility)
UnusedAutoPropertyAccessor.Local
resharper_unused_auto_property_accessor_local_highlighting
Warning
Call to base member with implicit default parameters
BaseMethodCallWithDefaultParameter
resharper_base_method_call_with_default_parameter_highlighting
Warning
Call to 'base.Equals(...)' is reference equality
BaseObjectEqualsIsObjectEquals
resharper_base_object_equals_is_object_equals_highlighting
Warning
Cannot resolve property
PropertyNotResolved
resharper_property_not_resolved_highlighting
Error
Cannot resolve resource
ResourceNotResolved
resharper_resource_not_resolved_highlighting
Error
Cannot resolve resource item
ResourceItemNotResolved
resharper_resource_item_not_resolved_highlighting
Error
Cannot resolve symbol in text argument
NotResolvedInText
resharper_not_resolved_in_text_highlighting
Warning
Class is never instantiated (non-private accessibility)
ClassNeverInstantiated.Global
resharper_class_never_instantiated_global_highlighting
Suggestion
Class is never instantiated (private accessibility)
ClassNeverInstantiated.Local
resharper_class_never_instantiated_local_highlighting
Suggestion
Collection is never updated (non-private accessibility)
CollectionNeverUpdated.Global
resharper_collection_never_updated_global_highlighting
Warning
Collection is never updated (private accessibility)
CollectionNeverUpdated.Local
resharper_collection_never_updated_local_highlighting
Warning
Collection's content is never queried (non-private accessibility)
CollectionNeverQueried.Global
resharper_collection_never_queried_global_highlighting
Warning
Collection's content is never queried (private accessibility)
CollectionNeverQueried.Local
resharper_collection_never_queried_local_highlighting
Warning
Element is localizable
LocalizableElement
resharper_localizable_element_highlighting
Warning
Equality comparison of floating point numbers
CompareOfFloatsByEqualityOperator
resharper_compare_of_floats_by_equality_operator_highlighting
Warning
Event is never subscribed to (non-private accessibility)
EventNeverSubscribedTo.Global
resharper_event_never_subscribed_to_global_highlighting
Suggestion
Event is never subscribed to (private accessibility)
EventNeverSubscribedTo.Local
resharper_event_never_subscribed_to_local_highlighting
Suggestion
Event never invoked
EventNeverInvoked
resharper_event_never_invoked_highlighting
Warning
Exception rethrow possibly intended
PossibleIntendedRethrow
resharper_possible_intended_rethrow_highlighting
Warning
Function never returns
FunctionNeverReturns
resharper_function_never_returns_highlighting
Warning
'GC.SuppressFinalize' is invoked for type without destructor
GCSuppressFinalizeForTypeWithoutDestructor
resharper_gc_suppress_finalize_for_type_without_destructor_highlighting
Warning
Iterator never returns
IteratorNeverReturns
resharper_iterator_never_returns_highlighting
Warning
Local variable hides member
LocalVariableHidesMember
resharper_local_variable_hides_member_highlighting
Warning
Non-accessed field (non-private accessibility)
NotAccessedField.Global
resharper_not_accessed_field_global_highlighting
Suggestion
Non-accessed field (private accessibility)
NotAccessedField.Local
resharper_not_accessed_field_local_highlighting
Warning
Non-readonly type member referenced in 'GetHashCode()'
NonReadonlyMemberInGetHashCode
resharper_non_readonly_member_in_get_hash_code_highlighting
Warning
'Object.ReferenceEquals' is always false because it is called with value type
ReferenceEqualsWithValueType
resharper_reference_equals_with_value_type_highlighting
Warning
Operator 'is'/'Type Of ... Is ...' can be used
OperatorIsCanBeUsed
resharper_operator_is_can_be_used_highlighting
Warning
'out' parameter is not assigned upon exit
NotAssignedOutParameter
resharper_not_assigned_out_parameter_highlighting
Warning
Overridden GetHashCode calls base 'Object.GetHashCode()'
BaseObjectGetHashCodeCallInGetHashCode
resharper_base_object_get_hash_code_call_in_get_hash_code_highlighting
Warning
Parameter hides member
ParameterHidesMember
resharper_parameter_hides_member_highlighting
Warning
Possible incorrect implementation of Double-Check Locking pattern. Possible multiple write access to checked field
PossibleMultipleWriteAccessInDoubleCheckLocking
resharper_possible_multiple_write_access_in_double_check_locking_highlighting
Warning
Possible incorrect implementation of Double-Check Locking pattern. Read access to checked field
ReadAccessInDoubleCheckLocking
resharper_read_access_in_double_check_locking_highlighting
Warning
Possible infinite inheritance
PossibleInfiniteInheritance
resharper_possible_infinite_inheritance_highlighting
Warning
Possible multiple enumeration
PossibleMultipleEnumeration
resharper_possible_multiple_enumeration_highlighting
Warning
Possible write to 'Me'
PossibleWriteToMe
resharper_possible_write_to_me_highlighting
Warning
Possibly impure struct method is called on readonly variable: struct value always copied before invocation
PossiblyImpureMethodCallOnReadonlyVariable
resharper_possibly_impure_method_call_on_readonly_variable_highlighting
Warning
Return value of pure method is not used
ReturnValueOfPureMethodIsNotUsed
resharper_return_value_of_pure_method_is_not_used_highlighting
Warning
Similar expressions comparison
EqualExpressionComparison
resharper_equal_expression_comparison_highlighting
Warning
Static field or auto-property in generic type
StaticMemberInGenericType
resharper_static_member_in_generic_type_highlighting
Warning
Static member initializer refers to static member below or in other part
StaticMemberInitializerReferesToMemberBelow
resharper_static_member_initializer_referes_to_member_below_highlighting
Warning
String formatting method problems
FormatStringProblem
resharper_format_string_problem_highlighting
Warning
Suspicious type conversion or check
SuspiciousTypeConversion.Global
resharper_suspicious_type_conversion_global_highlighting
Warning
Symbol from module that might be missing at runtime
SymbolFromNotCopiedLocallyReferenceUsedWarning
resharper_symbol_from_not_copied_locally_reference_used_warning_highlighting
Warning
The 'l' suffix is easily confused with the digit '1'
LongLiteralEndingLowerL
resharper_long_literal_ending_lower_l_highlighting
Warning
Thread static field has initializer
ThreadStaticFieldHasInitializer
resharper_thread_static_field_has_initializer_highlighting
Warning
Type check and casts can be merged
MergeCastWithTypeCheck
resharper_merge_cast_with_type_check_highlighting
Suggestion
Unassigned field (non-private accessibility)
UnassignedField.Global
resharper_unassigned_field_global_highlighting
Suggestion
Unassigned field (private accessibility)
UnassignedField.Local
resharper_unassigned_field_local_highlighting
Warning
Unassigned readonly field
UnassignedReadonlyField
resharper_unassigned_readonly_field_highlighting
Warning
Use format specifier in format strings
UseFormatSpecifierInFormatString
resharper_use_format_specifier_in_format_string_highlighting
Suggestion
Value assigned to a property of non-variable qualifier expression can be lost
PossibleStructMemberModificationOfNonVariableStruct
resharper_possible_struct_member_modification_of_non_variable_struct_highlighting
Warning
'void' method is annotated by [Pure] attribute
PureAttributeOnVoidMethod
resharper_pure_attribute_on_void_method_highlighting
Warning

Redundancies in Code (22 inspections)

Code inspections in this category look for redundancies and dead code, which affect code readability and style, and could be safely removed. Some code redundancies cannot be fixed automatically, and quick-fixes for them are performed in the interactive mode, requiring the user input. But the majority of the redundancies can be fixed without user interaction, using either fix in scope or code cleanup.
Inspection
ID
EditorConfig property
Default severity
Assignment is not used
RedundantAssignment
resharper_redundant_assignment_highlighting
Warning
Explicit 'value' parameter declaration is redundant
RedundantSetterValueParameterDeclaration
resharper_redundant_setter_value_parameter_declaration_highlighting
Hint
Expression is always 'true' or always 'false'
ConditionIsAlwaysTrueOrFalse
resharper_condition_is_always_true_or_false_highlighting
Warning
Iterator function without 'Yield' statements
RedundantIteratorKeyword
resharper_redundant_iterator_keyword_highlighting
Warning
Keyword 'Then' is redundant in multiline 'If' statement
RedundantIfStatementThenKeyword
resharper_redundant_if_statement_then_keyword_highlighting
Disabled
Parameterless property parentheses are redundant
RedundantPropertyParentheses
resharper_redundant_property_parentheses_highlighting
Hint
Parentheses are redundant if attribute has no arguments
RedundantAttributeParentheses
resharper_redundant_attribute_parentheses_highlighting
Hint
Redundant array lower bound specification
RedundantArrayLowerBoundSpecification
resharper_redundant_array_lower_bound_specification_highlighting
Warning
Redundant cast
RedundantCast
resharper_redundant_cast_highlighting
Warning
Redundant empty 'Case Else' statement
RedundantEmptyCaseElse
resharper_redundant_empty_case_else_highlighting
Warning
Redundant explicit size specification in array creation
RedundantExplicitArraySize
resharper_redundant_explicit_array_size_highlighting
Warning
Redundant 'Me.' qualifier
RedundantMeQualifier
resharper_redundant_me_qualifier_highlighting
Warning
Redundant 'MyBase.' qualifier
RedundantMyBaseQualifier
resharper_redundant_my_base_qualifier_highlighting
Warning
Redundant 'MyClass.' qualifier
RedundantMyClassQualifier
resharper_redundant_my_class_qualifier_highlighting
Warning
Redundant operand in logical conditional expression
RedundantLogicalConditionalExpressionOperand
resharper_redundant_logical_conditional_expression_operand_highlighting
Warning
Redundant qualifier
RedundantQualifier
resharper_redundant_qualifier_highlighting
Warning
Remove redundant parentheses
RedundantParentheses
resharper_redundant_parentheses_highlighting
Disabled
Unreachable code
VbUnreachableCode
resharper_vb_unreachable_code_highlighting
Warning
Unused import clause
UnusedImportClause
resharper_unused_import_clause_highlighting
Warning
Use implicit 'ByVal' modifier
UseImplicitByValModifier
resharper_use_implicit_by_val_modifier_highlighting
Hint
Use implicitly typed variable declaration
UseImplicitlyTypedVariable
resharper_use_implicitly_typed_variable_highlighting
Disabled
Use implicitly typed variable declaration (evident)
UseImplicitlyTypedVariableEvident
resharper_use_implicitly_typed_variable_evident_highlighting
Hint

Redundancies in Symbol Declarations (29 inspections)

This category includes code inspections, mostly with the warning severity level, which detect empty and unused symbol declarations.
Inspection
ID
EditorConfig property
Default severity
Class with virtual (overridable) members never inherited (non-private accessibility)
ClassWithVirtualMembersNeverInherited.Global
resharper_class_with_virtual_members_never_inherited_global_highlighting
Suggestion
Class with virtual (overridable) members never inherited (private accessibility)
ClassWithVirtualMembersNeverInherited.Local
resharper_class_with_virtual_members_never_inherited_local_highlighting
Suggestion
Entity is only used to capture its name (non-private accessibility)
EntityNameCapturedOnly.Global
resharper_entity_name_captured_only_global_highlighting
Warning
Entity is only used to capture its name (private accessibility)
EntityNameCapturedOnly.Local
resharper_entity_name_captured_only_local_highlighting
Warning
Local function is never used
UnusedLocalFunction
resharper_unused_local_function_highlighting
Warning
Local function is never used
UnusedLocalFunction.Compiler
resharper_unused_local_function_compiler_highlighting
Warning
Local function return value is never used
UnusedLocalFunctionReturnValue
resharper_unused_local_function_return_value_highlighting
Warning
Method return value is never used (non-private accessibility)
UnusedMethodReturnValue.Global
resharper_unused_method_return_value_global_highlighting
Suggestion
Method return value is never used (private accessibility)
UnusedMethodReturnValue.Local
resharper_unused_method_return_value_local_highlighting
Warning
Non-accessed local variable
NotAccessedVariable
resharper_not_accessed_variable_highlighting
Warning
Parameter is only used for precondition check (non-private accessibility)
ParameterOnlyUsedForPreconditionCheck.Global
resharper_parameter_only_used_for_precondition_check_global_highlighting
Suggestion
Parameter is only used for precondition check (private accessibility)
ParameterOnlyUsedForPreconditionCheck.Local
resharper_parameter_only_used_for_precondition_check_local_highlighting
Warning
Type is never used (non-private accessibility)
UnusedType.Global
resharper_unused_type_global_highlighting
Suggestion
Type is never used (private accessibility)
UnusedType.Local
resharper_unused_type_local_highlighting
Warning
Type member is never accessed via base type (non-private accessibility)
UnusedMemberInSuper.Global
resharper_unused_member_in_super_global_highlighting
Suggestion
Type member is never accessed via base type (private accessibility)
UnusedMemberInSuper.Local
resharper_unused_member_in_super_local_highlighting
Warning
Type member is never used (non-private accessibility)
UnusedMember.Global
resharper_unused_member_global_highlighting
Suggestion
Type member is never used (private accessibility)
UnusedMember.Local
resharper_unused_member_local_highlighting
Warning
Type member is only used in overrides (non-private accessibility)
UnusedMemberHierarchy.Global
resharper_unused_member_hierarchy_global_highlighting
Suggestion
Type member is only used in overrides (private accessibility)
UnusedMemberHierarchy.Local
resharper_unused_member_hierarchy_local_highlighting
Warning
Unused label
UnusedLabel
resharper_unused_label_highlighting
Warning
Unused local variable
UnusedVariable
resharper_unused_variable_highlighting
Warning
Unused parameter (non-private accessibility)
UnusedParameter.Global
resharper_unused_parameter_global_highlighting
Suggestion
Unused parameter (private accessibility)
UnusedParameter.Local
resharper_unused_parameter_local_highlighting
Warning
Unused parameter in partial method
UnusedParameterInPartialMethod
resharper_unused_parameter_in_partial_method_highlighting
Warning
Unused parameter of local function
UnusedLocalFunctionParameter
resharper_unused_local_function_parameter_highlighting
Warning
Unused type parameter
UnusedTypeParameter
resharper_unused_type_parameter_highlighting
Warning
Virtual (overridable) member is never overridden (non-private accessibility)
VirtualMemberNeverOverridden.Global
resharper_virtual_member_never_overridden_global_highlighting
Suggestion
Virtual (overridable) member is never overridden (private accessibility)
VirtualMemberNeverOverridden.Local
resharper_virtual_member_never_overridden_local_highlighting
Suggestion

Spelling issues (3 inspections)

These inspections detect typos in various contexts.
Inspection
ID
EditorConfig property
Default severity
Typo in comment
CommentTypo
resharper_comment_typo_highlighting
Suggestion
Typo in identifier
IdentifierTypo
resharper_identifier_typo_highlighting
Suggestion
Typo in string literal
StringLiteralTypo
resharper_string_literal_typo_highlighting
Suggestion
Last modified: 13 August 2020