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Won't Fix

Votes

0

Found in

2019.1.0a1

2019.2.0a1

2019.3.0a1

2019.3.0a3

Issue ID

1157344

Regression

No

UIElements window instance breaks when updating the window

UI Toolkit

-

How to reproduce:
1. Open the attached project ("DialogBoxResearch.zip")
2. In the Dialogs tab, select "NewDialogPrefab"
3. Open "Dialogs.cs" script and make a non-significant change in it
4. Go back to the editor and wait till the script is recompiled

Expected results: UIElement window retains its instance
Actual results: UIElement window loses its instance

Reproducible with: 2019.1.5f1, 2019.2.0b5, 2019.3.0a4

Notes:
1. Couldn't reproduce this issue on trivial scripts
2. Could not test with 2017.4 and 2018.4 as they lack UIElements functionality

  1. Resolution Note:

    User code throws during onEnable and VisualElements are not created. EditorStyles.label cannot be called from OnEnable().

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