Bug Report T753930
Visible to All Users

Refactorings - The "Decompose Parameter" refactoring throws an error when it is invoked in non-compilable code

created 6 years ago (modified 6 years ago)

I encountered a "'ParameterRefactoringsProvider' encountered an error and has been disabled" error in VS 2019.

Details:

System.ArgumentException : An item with the same key has already been added.
   at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
   at System.Collections.Generic.Dictionary`2.Insert(TKey key,TValue value,Boolean add)
   at DevExpress.CodeAnalysis.Refactorings.DecomposeParameter.DecomposeParameterHelper.get_HelperMap()
   at async DevExpress.CodeAnalysis.Refactorings.DecomposeParameter.DecomposeParameterRefactoringCore.Collect(<Unknown Parameters>)
   at async DevExpress.CodeAnalysis.Refactorings.DecomposeParameter.DecomposeParameterRefactoringCore.IsAvailableCore(<Unknown Parameters>)
   at async DevExpress.CodeAnalysis.Refactorings.DecomposeParameter.DecomposeParameterRefactoringCore.IsAvailable(<Unknown Parameters>)
   at async DevExpress.CodeAnalysis.Refactorings.RefactoringProvider.GetAvailableRefactorings(<Unknown Parameters>)
   at async DevExpress.CodeAnalysis.Refactorings.RefactoringProvider.ComputeRefactoringsAsync(<Unknown Parameters>)
   at async Microsoft.CodeAnalysis.CodeRefactorings.CodeRefactoringService.GetRefactoringFromProviderAsync(<Unknown Parameters>

Project Type: C# Class Library, .NET Framework 4.6.1. The code loaded in the IDE editor is in the attachment. It was not in a compileable state.

Comments (1)
DevExpress Support Team 6 years ago

    Hello Olivier,

    Thank you for providing the stack trace and code sample.
    We will research this issue and notify you as soon as we have any results.

    Answers approved by DevExpress Support

    created 6 years ago (modified 6 years ago)

    We have fixed the issue described in this ticket and will include the fix in our next maintenance update. To apply this solution before the official update, request a hotfix by clicking the corresponding link for product versions you require.

    Note: Hotfixes may be unavailable for beta versions and updates that are about to be released.

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