# \#c

**URL:** https://discourse.vtk.org/tag/c/35.md

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## [Volume for QuadHexahedrons incorrect](https://discourse.vtk.org/t/volume-for-quadhexahedrons-incorrect/16358)

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**Author:** [@magicmangoman](https://discourse.vtk.org/u/magicmangoman)\
**Replies:** 0\
**Last updated:** [March 25, 2026, 2:42pm UTC](https://discourse.vtk.org/t/volume-for-quadhexahedrons-incorrect/16358 "2026-03-25T14:42:12Z")

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Incorrect Volume for QuadraticHexahedron ?! Hi, it appears that vtk gives out an incorrect volume for QuadraticHexahedrons, i.e. for the Cell defined in vtkQuadraticHexahedron.h. This is verified by the failure of the f…

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## [only depending on vtk, use vtkmfcwindow，and setparent(HWND hwnd),crash when close](https://discourse.vtk.org/t/only-depending-on-vtk-use-vtkmfcwindow-and-setparent-hwnd-hwnd-crash-when-close/16261)

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**Author:** [@sophia](https://discourse.vtk.org/u/sophia)\
**Replies:** 0\
**Last updated:** [January 30, 2026, 12:22pm UTC](https://discourse.vtk.org/t/only-depending-on-vtk-use-vtkmfcwindow-and-setparent-hwnd-hwnd-crash-when-close/16261 "2026-01-30T12:22:19Z")

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the stack is below: image1040×819 63.3 KB

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## [Generate C APIs](https://discourse.vtk.org/t/generate-c-apis/15886)

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**Author:** [@Nikon\_Sugar](https://discourse.vtk.org/u/Nikon_Sugar)\
**Replies:** 14\
**Last updated:** [August 4, 2025, 11:40pm UTC](https://discourse.vtk.org/t/generate-c-apis/15886 "2025-08-04T23:40:37Z")

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I was wondering how to generate C APIs using wrapping tool. The idea is that C APIs can be based to create binding to other languages such as Rust, Zig. Any guide with coding snippet would be appreciated. Thank you!

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## [vtkPythonAlgorithm - design objective ?](https://discourse.vtk.org/t/vtkpythonalgorithm-design-objective/15371)

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**Author:** [@Nicholas\_Yue](https://discourse.vtk.org/u/Nicholas_Yue)\
**Replies:** 1\
**Last updated:** [March 12, 2025, 10:01pm UTC](https://discourse.vtk.org/t/vtkpythonalgorithm-design-objective/15371 "2025-03-12T22:01:08Z")

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Hi, I am looking at vtkPythonAlgorithm C++ class. What was the design goal of vtkPythonAlgorithm ? What are the current classes that subclass from it and what are their use cases ? Kind regards