[Mono-bugs] [Bug 388114] New: ListBox: MultiColumn mode is mostly broken including AOORE

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=388114


           Summary: ListBox: MultiColumn mode is mostly broken including
                    AOORE
           Product: Mono: Class Libraries
           Version: 1.9.0
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: andyhume32 at yahoo.co.uk
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


Firstly painting is often partial only.  Secondly navigation is completely
broken, causing very confused display.


See first screenshot showing that when for instance when changing to and from
MultiColumn only parts of the display repaint.


Navigation:
Assume items 'a' through 'z', displayed in columns five high.  Thus columns
contain a-e, f-j, k-o, etc.

* Navigating with down-arrow: Moves correctly down the column a->e; then jumps
to the next column in the bottom cell but displays 'f' there so {f,g,h,i,f};
subsequently the cells just change above {fghfg}, {fghgh}, {fghhi}; then on the
next press the display scrolls and the process repeats on the next
items/columns.  See second screenshot.

 * Clicking items. At start, columns shows {abcde} and {fghij}.  Click on item
"f" (top of second column), columns then are {de_de} and {fghhi} and the
highlight is on the last item in the second column.  See third screenshot.


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