Developer technologies | Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
XAML Designer, tab key inserts text
Sam of Simple Samples
5,586
Reputation points
I am using Visual Studio Version 17.7.4.
In the XAML Designer, when I press the tab key, some XAML is inserted. I am not sure where the XAML comes from but it is probably from a custom snippet. There is no selection dialog, the XAML is inserted without any interaction after pressing the tab key.
I have shut down Windows and restarted and it still happens. I have two solutions open that are independent of each other at the same time and it happens in both.
I have attached the About information for my VS.
Developer technologies | Windows Presentation Foundation
Developer technologies | Visual Studio | Other
Developer technologies | Visual Studio | Other
A family of Microsoft suites of integrated development tools for building applications for Windows, the web, mobile devices and many other platforms. Miscellaneous topics that do not fit into specific categories.
Developer technologies | XAML
Developer technologies | XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
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Viorel 126.9K Reputation points2023-10-08T19:27:58.44+00:00 If it happens in case of the new (generated) XAML, where did you put the caret and what XAML is inserted?
Is it a WPF based on .NET Framework?
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Sam of Simple Samples 5,586 Reputation points
2023-10-09T05:04:53.4766667+00:00 This is XAML I have been developing for a few days, more than two days. It happens at any location in the XAML except not outside of the Window tag. Yes this is WPF, using .Net 7.0. I created a fresh new WPF project and it did not happen in it but it does still happen in the project I was working on.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(291.2, 11%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHL%3C/text%3E%3C/svg%3E)
Hui Liu-MSFT 48,711 Reputation points Microsoft External Staff2023-10-09T08:54:47.7366667+00:00 Hi,@Sam of Simple Samples. Welcome Microsoft Q&A. Are there any screenshots showing the code that was added? What steps were performed to generate the code? Have you added any third-party libraries to your project?
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Sam of Simple Samples 5,586 Reputation points
2023-10-09T14:58:25.21+00:00 The code looks like a custom snippet I created. It is a DockPanel with a menu and StatusBar. As I said, it gets inserted when I press the Tab key.
What do you mean by third-party libraries? There are no external tools added. The Nuget packages for the project are Entity Framework Core and EF Core for Sqlite and SharpClipboard. I cannot load projects in VS SafeMode; when I try I get:
The log says that SetSite failed for the package.
Okay, I created another fresh new WPF project and I get the code inserted when I press Tab twice and each time after that.
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Sam of Simple Samples 5,586 Reputation points
2023-10-09T16:21:18.03+00:00 I have updated the question with the data from the About for my VS.
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Hui Liu-MSFT 48,711 Reputation points Microsoft External Staff
2023-10-11T07:33:12.7233333+00:00 The error message you've encountered is related to Visual Studio and typically occurs when there's an issue with a Visual Studio extension or package not loading correctly. This can be caused by various factors, including configuration changes, conflicts with other extensions, or issues with the extension itself.
Here are some steps you could follow to troubleshoot and resolve this issue:
Restart Visual Studio: Sometimes, a simple restart of Visual Studio can resolve the problem.
Check the Output Window: After the error message appears, go to the "View" menu in Visual Studio and select "Output." Then, in the "Show output from" dropdown, select "Project System." This might provide more detailed information about the problem.
Check the ActivityLog.xml: The error message usually mentions examining a file. This file is called "ActivityLog.xml." You can find this log file in the
%APPDATA%\Microsoft\VisualStudio\<Version>\ActivityLog.xmlfolder. Open this file in a text editor to see if it provides more detailed error information. It may give you clues about what's causing the package to fail.Update or Disable Extensions: Check if you recently installed or updated any extensions in Visual Studio. Some extensions might conflict with each other or with the Visual Studio version you're using. Try disabling or uninstalling extensions one by one to see if the issue is resolved.
Check for Visual Studio Updates: Ensure that you are using the latest version of Visual Studio. Sometimes, updating Visual Studio can resolve compatibility issues with extensions.
Check for Extension Updates: If you identify a specific extension causing the problem, check if there is an updated version of that extension available that might be compatible with your Visual Studio version.
Repair or Reinstall Visual Studio: If none of the above steps work, you might need to repair or reinstall Visual Studio. Make sure to back up your settings and projects before doing so.
You can also try to refer to the solution here. -
Sam of Simple Samples 5,586 Reputation points
2023-10-11T16:57:43.3533333+00:00 There is no error message.
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Hui Liu-MSFT 48,711 Reputation points Microsoft External Staff
2023-10-12T07:39:59.1666667+00:00 Hi,@Sam of Simple Samples. Is it possible to use animation of the screen to show the problem? Is it possible to show me the minimal sample code that can reproduce the problem to reproduce the problem and analysis?
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