# deal vtk data (such as vtkimagedata) in a qthread, app.exe crushed.

**URL:** https://discourse.vtk.org/t/deal-vtk-data-such-as-vtkimagedata-in-a-qthread-app-exe-crushed/3313
**Category:** Development
**Tags:** doxygen, jobs, training, proposal, file-formats
**Created:** [May 15, 2020, 8:40am UTC](https://discourse.vtk.org/t/deal-vtk-data-such-as-vtkimagedata-in-a-qthread-app-exe-crushed/3313 "2020-05-15T08:40:38Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![xiangyang](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/x/e5b9ba/32.png) [@xiangyang](https://discourse.vtk.org/u/xiangyang)
#### Post date: [May 15, 2020, 8:40am UTC](https://discourse.vtk.org/t/deal-vtk-data-such-as-vtkimagedata-in-a-qthread-app-exe-crushed/3313/1 "2020-05-15T08:40:39Z")

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such as, define a vtkimagedata in main thread, then , getscalarpoint int another qthread. when exit the qthread, exe crushed!