# vtkStdString HighlightPickedActor

**URL:** <https://discourse.vtk.org/t/vtkstdstring-highlightpickedactor/13225>\
**Category:** Development\
**Created:** [February 1, 2024, 8:41pm UTC](https://discourse.vtk.org/t/vtkstdstring-highlightpickedactor/13225 "2024-02-01T20:41:48Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Jens\_Munk\_Hansen](https://discourse.vtk.org/user_avatar/discourse.vtk.org/jens_munk_hansen/32/1215_2.png) [@Jens\_Munk\_Hansen](https://discourse.vtk.org/u/Jens_Munk_Hansen)\
**Post date:** [February 1, 2024, 8:41pm UTC](https://discourse.vtk.org/t/vtkstdstring-highlightpickedactor/13225/1 "2024-02-01T20:41:48Z")

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Hi Developers

I am trying to promote VTK for some people and we have seen some weird issues. For `vtkNamedColors`, the strings, e.g. “White” gets interpreted as pure non-sense. We use the latest VIsual Studio 2022 and has compiled the latest release 9.3 out-of-the-box. Only thing that we checked was using `std::thread`. Anyone has an idea what this could be?

I am beginning to see it could be related to this compiler error  
[https://developercommunity.visualstudio.com/t/Internal-compiler-error-when-using-some/10556057?space=8&q=cpu&sort=newest](https://developercommunity.visualstudio.com/t/Internal-compiler-error-when-using-some/10556057?space=8&q=cpu&sort=newest)

Thanks in advance.  
Jens Munk

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**Author:** ![sankhesh](https://discourse.vtk.org/user_avatar/discourse.vtk.org/sankhesh/32/73_2.png) [@sankhesh](https://discourse.vtk.org/u/sankhesh)\
**Post date:** [February 2, 2024, 10:06pm UTC](https://discourse.vtk.org/t/vtkstdstring-highlightpickedactor/13225/2 "2024-02-02T22:06:39Z")

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Thanks for pointing it out @Jens_Munk_Hansen. Seeing that the issue was fixed in Visual Studio, have you tried with a VS preview release?

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<div class="post-metadata">

**Author:** ![Jens\_Munk\_Hansen](https://discourse.vtk.org/user_avatar/discourse.vtk.org/jens_munk_hansen/32/1215_2.png) [@Jens\_Munk\_Hansen](https://discourse.vtk.org/u/Jens_Munk_Hansen)\
**Post date:** [February 21, 2024, 11:13pm UTC](https://discourse.vtk.org/t/vtkstdstring-highlightpickedactor/13225/3 "2024-02-21T23:13:47Z")

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I believe we figured it out. The latest pre-release worked great. I believe it was caused by a weird mix of dll’s from `Release` and `RelWithDebInfo`. They share the same name but may not be binary compatible.

Thanks for reaching out