CHANGELOG.md

Changelog

All notable changes to the code converter will be documented in this file. The format is based on Keep a Changelog

[Unreleased]

Vsix

VB -> C#

• Convert parameterized properties with optional parameters #597

C# -> VB

[8.1.6] - 2020-07-12

Vsix

• Fix file extension and location of single converted file #589

VB -> C#

• Correct logic for conversion "objectWithOverloadedEquals Is Nothing" #591
• Coercing enum to a string now correctly uses its numeric value #590
• Correct conversion for equality of overloaded types #594

C# -> VB

[8.1.5] - 2020-07-04

Vsix

• Workaround Visual Studio 16.7+ that was causing VB->CS conversion to fail #586

VB -> C#

• Handle Option Compare Text case insensitive comparisons in switch statements #579
• Fix compilation error when switching with enum cases #549
• Improve numeric casts #580
• Add ref to conversion of RaiseEvent where needed #584
• Rename clashing type memvers #420
• Fix conversion for string implicitly converted to enum #476

C# -> VB

• Rename explicit method implementations where needed #492
• Include type information in conversion of default(someType) #486

[8.1.4] - 2020-06-26

Vsix

• Fixed UnauthorizedAccessException when converting single file/snippet

VB -> C#

• When converting ReDim Preserve to Array.Resize, "ref" is now added
• Create delegating method for renamed implementations #443, #444

C# -> VB

[8.1.3] - 2020-05-23

Known issues

• Need to replace "Array.Resize(" with "Array.Resize(ref "

Vsix

VB -> C#

• Improve post-conversion experience for designer files - #569
• Optimize away some redundant casts and conversions with strings/chars - #388
• Improve performance of single file conversion - #546
• Add AsEnumerable where needed in linq "in" clause - #544
• Remove redundant empty string coalesce in string comparison - #500
• Convert VB comparison operators - #396
• Convert Redim Preserve of 1D array to Array.Resize - #501
• Use C#7.3 compatible null check

C# -> VB

[8.1.2] - 2020-05-03

Vsix

VB -> C#

• Improve multi-declaration field conversion for arrays - #559
• Add parentheses around ternary statement - #565
• When converting ForEach loop, avoid duplicate variable compilation issue #558
• Improvements to for loop with missing semantic info - #482
• Fix logic issue when converting property passed byref - #324
• Fix logic issue when converting expression passed in byref within conditional expression - #310
• Added constructors now only added to the relevant type - not other types in the same file
• Converted non-static field initializers moved to constructor - #281
• Convert assignments using "Mid" built-in function
• Improve conversion of array initializer types
• Improve detection of compile-time constant case labels

C# -> VB

[8.1.1] - 2020-04-21

Vsix

• Fixes conversion in VS2017

VB -> C#

C# -> VB

[8.1.0] - 2020-04-19

Vsix

VB -> C#

• Convert files with legacy vb6 file extensions (e.g. .cls, .frm)
• Fix for converting For...Next...Step loops with a variable step that's sometimes negative #453
• Fix for abstract readonly/writeonly property conversion including a private accessor
• Generated parameterless constructors are now public by default
• Multiple classes in the same file no longer affect each other's constructors
• Cast expressions are now parenthesized when converted
• Fix nullref fatal error dialog for delegates with omitted argument types #560

C# -> VB

[8.0.4] - 2020-03-31

Vsix

VB -> C#

• Fixes error thrown when converting single file from VB project with resx files

C# -> VB

[8.0.3] - 2020-03-30

Known issue: Converting single file from VB project with resx files throws an error. To workaround, use a different version, or convert the whole project at once.

Vsix

VB -> C#

• All resx files now moved to project root #551
• Register event handlers for DesignerGenerated #550
• Improve qualification with arguments of unknown type #481
• Omit conversion in string concatenation where possible #508
• Use ToString for numeric types rather than Conversions.ToString
• Convert optional ref parameters - fixes #91
• Always convert Call statement to method call #445
• Avoid compilation errors when converting const Dates #213
• Evaluate simple compile time conversions within const declarations

C# -> VB

[8.0.2] - 2020-03-19

Vsix

VB -> C#

• Avoid extra newlines in doc comments #334
• Avoid duplicate generated constructors #543
• Comparisons of value/generic types to Nothing now convert to the correct corresponding C# 8 operator
• Resources are now correctly namespaced after conversion #540
• LangVersion is now set to "Latest" in csproj e87fef11
• Improve Winforms designer event experience after conversion #547
• Don't output solution conversion for in-memory solution file
• Empty files are no longer skipped #423
• Specify type suffix for decimal and float literals containing decimal point #548

C# -> VB

[8.0.1] - 2020-03-13

Vsix

• Fixes conversion in VS2017

VB -> C#

C# -> VB

[8.0.0] - 2020-03-11

• Known issue: Breaks VS2017 support - please use 7.9.0 until the next version is released
• Improve performance and feedback for large projects containing large files

API

• IEnumerable<Task> becomes IAsyncEnumerable
• Upgraded target framework from netstandard 1.3 to netstandard 2.0
• Introduced cancellation token

Vsix

VB -> C#

• Convert "Handles" in some previously missed cases #530
• Wrap event handlers in lambda where needed #474
• Streamline trailing else if 810de96
• Use less error-prone, more performant null/default comparisons 4de1978
• Convert "{}" to "Array.Empty()" #495
• Convert inferred anonymous member names without duplicating name #480
• Convert "!" operator to element access #479
• Fix async method default return statements #478
• Convert multi-dimensional array initializers correctly #539

C# -> VB

• Convert PrefixUnaryExpression (Not, minus, etc.) #533
• Rename more members with case conflicts (e.g. interface members) #533
• String equality conversion now calls "Equals" to match the C# logic #533
• Deduplicate imports #533
• Converts "default" keyword to "Nothing" keyword #428

[7.9.0] - 2020-02-27

Vsix

• Exclude project file from conversion result if it hasn't changed
• Further efforts to stop the roslyn library crashing Visual Studio
• Conversion tasks are now cancellable

VB -> C#

• More consistently add constructor for DesignerGenerated attribute

C# -> VB

• Avoid incorrectly renaming symbols
• Prevent "SyntaxTree is not part of the compilation" error #527
• Avoid incorrectly renaming symbols #524

[7.8.0] - 2020-02-15

Vsix

• Stop Roslyn from silently crashing Visual Studio during conversion #521

VB -> C#

• Performance improvement on big solutions

C# -> VB

• Partial class/method improvements
• Avoid ambiguity in some generated method calls

[7.7.0] - 2020-02-11

Vsix

VB -> C#

• Cast foreach collection to IEnumerable if needed or unknown
• Fix ordering bug converting redim bounds without preserve for 2d arrays
• Exit Property should become return #497
• First effort converting some Xml Member Access
• Avoid adding new keyword when not allowed/required #504
• Avoid evaluating Select Case expression multiple times in some cases where it may be non-deterministic or have side effects #323
• Avoid repeated redundant break statement caused by explicit Exit Select #433
• Convert return expression to match return type #496
• Fix conversion for hex values ending in "C" #483
• Converted multi line if blocks now always contain braces #466
• Add conversions to allow arithmetic on enums
• Add omitted argument lists on conditional expressions
• Winforms initialization improvements
• Convert VbMyResourcesResXFileCodeGenerator resource generator type in project file
• Improved comment conversion #518

C# -> VB

• Rename local symbols differing only in case #80
• Remove erroneous event modifier from delegates
• Add Implements clause for event fields
• Add Overloads modifier where needed in VB
• Add ReadOnly/WriteOnly modifier for interface properties that need it
• Fix bug which led to nested modules
• Fix accessibility of converted public static classes
• Fix overqualifying with "Global" in some cases
• Fix parenthesized TryCast which caused compile error
• Fix erroneous rename of value argument in events' accessors and properties' setter
• Add call AscW method to convert Char to numeric types
• Remove erroneous backing fields' generation in root classes
• Add TryCast expression for convering to generic types
• Comments are now converted
• Some preprocessor directives are partially converted #517

[7.6.0] - 2020-01-11

Vsix

• Fix Visual Studio crash when converting some structures

VB -> C#

C# -> VB

[7.5.0] - 2020-01-11

• Improve ambiguous name resolution

Vsix

VB -> C#

• Simplify compound assignment conversion
• Avoid some case conflicts

C# -> VB

• Remove extra parentheses around CType expression
• Convert var declaration patterns with binary operators in switch statements (part of #222)
• Keep empty argument lists

[7.4.0] - 2019-12-17

• Several C# API tweaks wrapping conversion options into a type

Vsix

• Fixed error caused when converting with "Copy to clipboard" option enabled

VB -> C#

• Add modifier for nested types
• Remove body for converted extern methods
• Convert Call with missing argument list and semantic information

C# -> VB

• Convert "is" expression (#427)
• Convert "*=" operator

[7.3.0] - 2019-11-25

• Fixes for nullrefs

Vsix

• Load extension only when menu item clicked (multi-project conversion menu not present until project loaded)

VB -> C#

• Convert implicit object->string cast correctly (#365)
• Convert trivia (e.g. comments) at start of file (#333)
• Improvements to redim conversion (#403, #393)
• Convert array of arrays initializer (#364)
• Improvements to implicit enum -> int conversion (#361)
• Convert expressions in constants (#329)
• Convert implicit ElementAtOrDefault (#362)
• Convert types in ternary expressions (#363)
• Support for converting dot net standard VB projects (#398)
• Avoid compilation error for duplicate cases (#374)
• Correctly handle type promoted module symbols (#375)
• Prefer renamed imports for name resolution (#401)
• Correctly convert ambiguous names (#332)
• Ensure correct visibility for constructors (#422)
• Ensure casing is correct for namespaces (#421)
• Convert CType from a non numeric type to an enum
• Convert Exit Function
• Convert object initializers requiring type casts
• Convert async keyword on lambdas
• Convert nullable if statement conditions

C# -> VB

• Convert property accessors with visiblity modifiers (#92)
• For loop with decrement (i--) results in missing 'Step -1' (#411)
• Improve escaping for variables of predefined types
• Add Implements keyword for explicitly implemented members
• Property/indexer conversion improvements
• Convert private default members
• Convert property accessors with visiblity modifiers (#92)
• For loop with decrement (i--) results in missing 'Step -1' (#411)
• Improve custom event conversion (#442)

[7.2.0] - 2019-10-13

• Parallelize multi-file conversion
• Make snippet conversion (ConvertText method) make classes partial by default since context isn't known (#379)
• Web converter requires .NET Core 3.0
• Visual Studio built-in simplification applied post-conversion (#386)

Vsix

• Improve UI responsiveness and output window details while converting

VB -> C#

• Implicitly typed local multi-variable declarations type converted correctly (#373)
• "My" namespace - first attempt at conversion (#169)

C# -> VB

• Converts extern functions correctly (#352)
• Converts invoke on non-events correctly (#377)

[7.1.0] - 2019-09-12

No longer restricts converted files to solution directory

Vsix

• Improve UI feedback during conversion

VB -> C#

• Improve conversion for inline functions
• Use visual basic "Conversions" functions to match VB logic
• Simplify output code by shortening some names
• Improve out parameter conversion
• Improve iterator conversion
• Improve with block conversion for value types
• Improve for loop conversion initialization/bounds
• No longer duplicates containing namespaces
• Improve some enum handling
• Avoid VB type appearing within default(...) expression

C# -> VB

• Improve conversion of collection initializers

API

ProjectConversion methods now require an IProgress parameter, deprecated overloads without it:

• ProjectConversion.ConvertProject
• ProjectConversion.ConvertProjectContents
• ProjectConversion.ConvertProjectFile

Deprecated overload of ProjectConversion.ConvertSingle in favour of one requiring a Document

Please instead use ConvertSingle(Document document, TextSpan selected, ILanguageConversion languageConversion) See the implementation of the deprecated method for help in migrating.

[7.0.0] - 2019-08-01

• Compatible with Visual Studio ~15.5+

VB -> C#

• Improve conversion for WithEvents/Handles
• Improve detection of enum related casts
• Convert parameterized properties
• Convert plain XML literals

C# -> VB

• Convert more binary operators

[6.9.0] - 2019-06-09

VB -> C#

• String comparison conversion now often avoids referencing VB library in output (when TextCompare is set to Binary)
• Convert WithEvents/Handles correctly for partial classes
• Convert Like operator
• Convert VB indexer to ElementAtOrDefault to make behaviour consistent
• Improve accuracy of choosing square brackets or parentheses
• Avoid nullref when converting for loop

C# -> VB

• Enable OptionInfer on converted projects
• Convert global namespace correctly

[6.8.0] - 2019-05-13

VB -> C#

• Assignment return now converted
• Enum implicit casts now converted
• Access to shared variables through instance now converted
• MyClass references now converted
• Variables explicitly initialised to their default (as is implicit in VB)
• Adds project reference to Microsoft.VisualBasic
  • Uses Operators.CompareString for string equality comparison to match VB logic
  • Uses DateAndTime for built-in date functions
  • CDate() now converted to "Conversions.ToDate"
• Improvements to parenthesization
• Select Case with non-constant strings now converted correctly
• Interface readonly properties now converted correctly

[6.7.0] - 2019-04-09

• Downgrade Roslyn requirement in attempt to work with VS2017 15.3+

VB -> C#

• Ensure "new()" generic constraint is last
• Do not convert MyBase.Finalize, it's implicit
• Standardize case of identifiers

[6.6.0] - 2019-03-29

• Ask people to upgrade VS if missing languageservices

C# -> VB

• Improve event identifier conversion

VB -> C#

• Improve conversion of interpolated strings (format, alignment, escaping)

[6.5.0] - 2019-03-03

• Avoid fatal error converting a project in a solution containing a website project (#243)
• Improve best-effort conversion in the presence of errors
• Improved nuget package and web converter's snippet detection
• Exclude conversion-source-language files from converted project
• Improve conversion of type casts
• Web UI tweaks

C# -> VB

• Fix for interpolated strings and switch statements in VS2019 Preview

[6.4.0] - 2019-02-07

Fix initialization bug in VS2017

C# -> VB

• Tuples now converted
• All known operator overloads now converted

[6.3.0] - 2019-02-05

• VS 2019 support
• Breaking API change: Most library API names and return types are now async
• Improve VS startup time by making package load async
• Added SourceLink

VB -> C#

• Private setter added to conversion of ReadOnly properties to cater for backing field usage
• Usage of compiler generated event variable name converted correctly
• Access modifiers no longer added erroneously to static constructor
• "Do Until" construct multi-part conditions are correctly converted
• Tuple conversion support added
• VB -> C#: Error (lot of comments about the issue) when define an array with number of elements
• Decimal division conversion bugfix

C# -> VB

• GoTo Case with dot in name converted correctly

[6.2.0] - 2018-11-19

VB -> C#

• Fix array indexing from outside a class
• Escape double quotes with string interpolation
• Converts date literals
• Converts ChrW and Chr
• Converts type promoted module members
• Converts EntryPoint and Charset for native functions
• Converts WriteOnly interface properties
• Converts "Integer?" to int?
• Converts property setters with parameters not named "value"
• Fixed bug causing duplicate namespace qualification
• Parenthesizes ternary conditional when necessary to preserve logic

C# -> VB

• Convert enums with explicit base type

[6.1.0] - 2018-10-12

VB -> C#

• Parenthesize "as" cast if necessary
• Convert properties using "Item" syntax
• Extract variable for "To" expression
• Convert base constructor call missing parentheses
• Fix Nullref in SyntaxFactory.MethodDeclaration

[6.0.0] - 2018-08-21

• Performance improvement for large solutions
• Fix solution/project level context menu item not appearing when projects are within folders

VB -> C#

• Fix solution level conversion issues for projects other than the first one
• Improve query syntax support (some forms of group now supported)

[5.9.0] - 2018-08-01

• Note: This release downgrades the library to net standard 1.3 for compatibility reasons - this should fix "could not load file or assembly netstandard, Culture=neutral'" error

VB -> C#

• Type inferred const - convert to explicit type
• Improve name qualification
• Add parentheses around conditional expression in string interpolation
• Add parentheses where needed when convert Not, CType and TypeOf
• Fix namespace conversion issues
• Conversion error for indexer on property value of unresolved type
• Single-line lambda with statement body not implemented
• Array literals not always converted to implicit C# array

[5.8.0] - 2018-06-26

• Move options lower down in the context menus so they aren't in the way

VB -> C#

• Handle WithEvents fields without initializers
• In lambda, use parentheses around single explicitly typed parameter
• Convert LocalDeclarationStatementSyntax
• Default parameter "value" now has the correct case
• Multiline xml doc comment conversion bugfix

C# -> VB

• Interfaces "implements" clause now converted
• Shared no longer appears on Module members
• Fixed .Name bug with anonymous object creation
• Use Is and IsNot for reference type comparison

[5.7.0] - 2018-05-08

• Update to .NET Standard 2.0
• Convert solution and project files
• Added convert and copy to clipboard into options

VB -> C#

• Convert WithEvents/Handles
• Convert Handles and WithEvents similarly to the VB compiler
• Handle expressions in Select Case
• Ensure all parts of a partial class have the partial modifier
• Handle missing optional arguments
• Increase number of default global imports for web conversion
• Default properties now converted

C# -> VB

• Fix DeclarationExpressions without a type throwing exception
• Convert Throw Expressions to multi-line lambda function
• Convert properties with no accessors
• Fix error converting ObjectCollectionInitializerSyntax within object initializer
• Escape predefined if they are used for the name of declaration

[5.6.3] - 2018-04-09

• Improve support for sub-class snippets through the website
• Best effort conversion with errors as comments inline
• Tidy up duplicate import/using statements

VB -> C#

• Using statements and array initialization improvements
• Convert select case expressions
• Fix for multi-parameter extension methods
• Convert single line void delegates
• Fix array initialization incorrect conversion bugs
• Convert operator overloads
• Overestimate when a method should be invoked with no parameters
• Remove global namespace in conversion
• Add Imports System.Runtime.InteropServices when convering an out parameter
• Support Erase and Redim Preserve
• Convert select case expressions
• Extend support for converting with blocks

C# -> VB

• Convert C# 7.0 features: "is pattern", throw and declaration expressions
• Convert expression bodies
• Fix to ensure Case Else always comes last in a Select statement
• Convert base class constructor call
• Fix convert char from integer cast
• Convert hex literals to hex literals (rather than just integers)
• Fix to avoid using "_" as a parameter name
• Fix for loop variable missing declaration and initialization
• Convert declare to extern
• Fix to improve accuracy of adding AddressOf
• Convert block syntax
• Convert empty statement
• Fix to avoid single line if-else statement's conversion causing compilation error
• Fix to avoid delegate with no parameters throwing NullReferenceException

[5.6.2] - 2018-03-16

VB -> C#

• Fix for change in logic when converting nested one-line if blocks
• Fix for loss of precision in arithmetic when using / operator
• Integer division and bit shifting now converted
• Is and IsNot operators now converted
• Narrowing and Widening conversion operators now converted
• Linq query syntax with no select clause now converted
• DirectCast operator now converted
• Shadows modifier now converted (to new)

C# -> VB

• Newline now appears before each attribute list
• Fix for new converting to Shadows - it now maps to Overloads

[5.6.1] - 2018-03-06

• VSIX: Gets conversion off the UI thread to avoid it freezing
• VB -> C#: VB projects referencing other VB projects no longer error
• VB -> C#: XmlDoc comments now are correctly newline terminated

[5.6.0] - 2018-03-05

Visual studio extension

• New commands added to convert whole solution/project at once
• Works reliably in VS2017
• Instead of copy to clipboard, opens result as Visual Studio window for quick viewing
• Writes summary to output window to explain what's happened
• Project context used for all conversions

VB -> C#

• Query expression syntax converted in simple cases
• Anonymous object creation converted
• Object initializer syntax converted
• Converts comments in the majority of cases (though with some formatting oddities)
• Now works on sub-method snippets
• Names now fully qualified where necessary
• Out parameters correctly converted

[5.5.0] - 2017-12-29

• Move from Refactoring Essentials to a repository of its own
• Separate NuGet
• Separate VSIX
• Improvements on the VB side