Bug Report T478207
Visible to All Users

Refactorings - Declare Parameter throws the NullReferenceException after updating Visual Studio to the VS 2017rc (RC.3+26127.0) version

created 8 years ago

Hi

An update has just been done for VS 2017rc (RC.3+26127.0) -  and I've started getting the below error:

"DeclareProvider" encountered an error and has been disabled.

The stack trace is:

System.NullReferenceException : Object reference not set to an instance of an object.
   at async DevExpress.CodeAnalysis.Refactorings.RefactoringAction.IsAvailable(<Unknown Parameters>)
   at async DevExpress.CodeAnalysis.Refactorings.RefactoringProvider.RefactoringIsAvailable(<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>)

Basically happens when I press the shortcut keys (CTRL+period) to open the suggestion box for the red squiggle line.  However if I hover my mouse over the squiggle and select "show potential fixes" with the mouse I don't get the issue.

Let me know if you need any other info

Show previous comments (9)
DevExpress Support Team 8 years ago

    Hi Andrew,

    Thank you for letting us know about this problem. Please install the following daily build which contains fixes for both the T477079 and T478207 issues:

    DevExpress.CodeRush.Roslyn-16.2.4.17039.vsix

      After installing the update the error message changed but the steps to reproduce are the same. The new error message is:
      System.InvalidCastException : Unable to cast object of type 'Microsoft.CodeAnalysis.CSharp.Syntax.ConstructorDeclarationSyntax' to type 'Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax'.
         at async DevExpress.CodeAnalysis.Refactorings.RefactoringAction.IsAvailable(<Unknown Parameters>)
         at async DevExpress.CodeAnalysis.Refactorings.RefactoringProvider.RefactoringIsAvailable(<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>)

      DevExpress Support Team 8 years ago

        Hello,

        I've created a separate ticket on your behalf (T481354: Declare Parameter throws the InvalidCastException). It has been placed in our processing queue and will be answered shortly.

        Answers approved by DevExpress Support

        created 8 years ago (modified 8 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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