# VTK-9: How to know which VTK COMPONENT contains which VTK class?

**URL:** https://discourse.vtk.org/t/vtk-9-how-to-know-which-vtk-component-contains-which-vtk-class/11533
**Category:** Support
**Tags:** code
**Created:** [May 24, 2023, 12:13pm UTC](https://discourse.vtk.org/t/vtk-9-how-to-know-which-vtk-component-contains-which-vtk-class/11533 "2023-05-24T12:13:47Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![Christos\_Tsolakis](https://discourse.vtk.org/user_avatar/discourse.vtk.org/christos_tsolakis/32/2076_2.png) [@Christos\_Tsolakis](https://discourse.vtk.org/u/Christos_Tsolakis)
#### Post date: [May 24, 2023, 4:50pm UTC](https://discourse.vtk.org/t/vtk-9-how-to-know-which-vtk-component-contains-which-vtk-class/11533/3 "2023-05-24T16:50:52Z")

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There was the same question recently see [here](https://discourse.vtk.org/t/how-to-determine-the-cmake-vtk-components-necessary-for-a-class/11429)

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