https://bugs.documentfoundation.org/show_bug.cgi?id=170700
Bug ID: 170700
Summary: After opening an IDE, selecting a range with the mouse
may cause the selection changed event to terminate
abnormally
Product: LibreOffice
Version: 26.8.0.0 alpha0+ master
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: BASIC
Assignee: [email protected]
Reporter: [email protected]
Description:
After opening an IDE, selecting a range with the mouse may cause the selection
changed event to terminate abnormally.
Steps to Reproduce:
1. Open the following sample Calc file.
2. This file has a selection changed event set, which triggers the following
no-operation macro:
```
Function AAAAAA(ev As Variant) As Boolean
AAAAAA = True
End Function
```
3. Open the Basic-IDE, do nothing with it, and close it immediately.
4. Select a cell by clicking the left mouse button, then try expanding the
selection in any direction.
Actual Results:
5. As you expand or shrink the selection in any direction, Windows will display
one of the following error dialogs:
Inadmissible value or data type.
Index out of defined range.
or
BASIC runtime error.
Variable not defined.
Expected Results:
5. Nothing happens.
Reproducible: Always
User Profile Reset: No
Additional Info:
On Linux operating systems, it may also terminate abnormally.
To verify this behavior, it takes several seconds to tens of seconds.
Reproducible
[2026-02-07]
Version: 26.8.0.0.alpha0+ (X86_64)
Build ID: 680(Build:0)
CPU threads: 4; OS: Windows 11 X86_64 (build 26100); UI render: Skia/Raster;
VCL: win
Locale: ja-JP (ja_JP); UI: en-US
Calc: CL threaded
Reproducible
[2026-02-09]
Version: 26.8.0.0.alpha0+ (X86_64)
Build ID: a338ec1d3b2293ff34b159bb2a2da67e249d5655
CPU threads: 2; OS: Linux 6.12; UI render: default; VCL: gtk3
Locale: ja-JP (ja_JP.UTF-8); UI: en-US
Calc: threaded
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