Symptom
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If the DataWindow property HSplitScrollis is enabled, some rows disappear after deleting others
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Display becomes weird
Environment
PowerBuilder
Reproducing the Issue
Run the attached reproduction PBL (List_Redraw.zip):
1. Click on the button 'Select Rows'
2. Scroll down to the middle of the DW
3. Click on the button 'Delete Selected'
Solution
As a workaround, you can disable the HSplitScroll property before deleting and enable it after.