How can I see why a project cannot use "Application Timeline"

cbra-caa 0

I have two startup projects in a solution - both are WPF applications that produce an .exe output tied to an xaml application.

I would like to use the Application Timeline feature to analyze my app and for one project I can select the feature, but for the other it is placed under "Not applicable tools". The projects does not have any striking differences I can distinguish from their .csproj files and the option is just unavailable without any feedback.

Is there some way to see why it is available to the first project but not the second?

2 answers

Hongrui Yu-MSFT 4,365 Reputation points Microsoft Vendor

2025-02-19T05:31:24.7733333+00:00

Hi, @cbra-caa. Welcome to Microsoft Q&A.

Prerequisites:

1.Update the version of Visual Studio: Use Visual Studio 2022 . 2.Make sure the version of your WPF project is: Windows Presentation Foundation (.NET 4.0 and above).

3.Make sure you do not check Instrumentation or .NET Object Allocation Tracking.

Please try to open your WPF project using Startup Project instead of using Running Process... or Executable. When you open a WPF project in either Running Process... or Executable, Application Timeline will become Not Applicable Tools. You could consider opening two Visual Studio 2022 and opening Application Timeline in Startup Project mode.

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cbra-caa 0 Reputation points

2025-02-19T08:42:39.9533333+00:00

Thanks for your answer, but it did not resolve the issue.

I have updated to the newest version of VS2022 - no change.

Both are running as WPF on framework 4.8

I only want to check the Application Timeline for now, but is disabled for App1

I only start them through the Startup Project choice.

I have attached screenshots with relevant info below:

App1 - no timeline

App2 - with timeline

Hongrui Yu-MSFT 4,365 Reputation points Microsoft Vendor

2025-02-20T01:27:34.46+00:00

Hi, @cbra-caa.

Could you provide minimal reproducible code? Or you could try to create App1 in a new project, and in the process of refactoring App1 you could find out which of your settings will prevent the Application Timeline from running.

cbra-caa 0 Reputation points

2025-02-20T08:40:34.5066667+00:00

Creating a minimal example is currently not viable as both projects are at the end of an enterprise application - which is why I'm interested in if there is some way (logs/exceptions/etc.) to determine why when I select App1 that the Application Timeline gets disabled.

Both projects files are valid, and I have tried to drill them down to the bare minimum without seeing a change for either App1 or App2.

Are there some steps I should take between changing the .csproj files to ensure that VS acts on the changes besides closing VS and deleting the .vs+ bin/obj folders?

Hongrui Yu-MSFT 4,365 Reputation points Microsoft Vendor

2025-02-20T10:04:00.06+00:00

Hi, @cbra-caa.

After changing the configuration (.csproj) of the project, generally press Ctrl+S to save the configuration file, then Build or Rebuild the project to apply the configuration.

Currently, there seems to be no direct way to check why the Application Timeline is disabled. You could try to compare the configuration information(.csproj、app.manifest，etc) of App1 and App2 to find out why the Application Timeline is unavailable.

cbra-caa 0 Reputation points

2025-02-20T13:26:59.7266667+00:00

Double post

cbra-caa 0 Reputation points

2025-02-20T13:28:29.23+00:00

Where would I request a feature to display this information?

Currently comparing the .csproj and removing the manifest files has not lead to a breakthrough. What lies under 'etc'?
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How can I see why a project cannot use "Application Timeline"

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