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Won't Fix
Votes
0
Found in
2017.4.13f1
Issue ID
1093874
Regression
No
Resizable Window resizing without holding the mouse button down after clicking on the edge of the Resizable Window
How to reproduce:
1. Create a new Unity Project
2. In the "Build Settings" Window, press "Player Settings"
3. In the "Player Settings" Window, in the "Resolution and Presentation" section, tick "Resizable Window"
4. Build and Run the Project
5. Open another Windows window, set the focus to it
6. Hover the mouse over the resizable Unity Build Window's edge and click once
7. Notice how the Unity Build Window now resizes without needing to hold the mouse button down
Expected result: Clicking on the edge simply switches the focus to the Unity Build Window
Actual result: Clicking on the edge treats the Unity Build Window as if you were dragging the edge
Reproducible with: 2017.4.0f1, 2017.4.14f1, 2018.1.9f2, 2018.2.14f1, 2018.3.0b8, 2019.1.0a6
Notes: Only reproduces on Windows and not on iOS
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Resolution Note (2018.3.X):
This is a Windows issue/bug. The WM_EXITSIZEMOVE message is not (for some reason) being sent to the app Window in this situation. While there may be a way to work-around the problem and manually exit resizing mode, this could cause other problems or regressions.
Since it's not a serious issue, we should leave it alone rather than risk breaking something else through a hack.