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PM14473: scroll performance depending on windows size, column width and d imensions of OLE object

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APAR status

  • Closed as program error.

Error description

  • Depending on windows size, column width and dimensions of an OLE
    object the scroll performance is reduced badly. This results in
     monitor flickering and no reaction of DOORS client for some tim
    e.
    
    The cause seems to be a combination of the size of the OLE and t
    he rich edit control used by DOORS (wordpad shows the same probl
    em).
    
    Workarounds:
    - to shrink the OLE slightly (i.e. by entering in-place edit, se
    lect it, then use the resize handles). The OLE can be shrunk by
    a large amount, thereby enabling all the information in it to re
    main visible, while improving scroll performance.
    -the other alternative would be to shrink the column width.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    Scrolling in a module that contains a large OLE object
    results in performance degradation. As well as the size of
    the OLE itself, the size of the column in which it is shown
    also plays a part. A very small change in column size can
    make the difference between acceptable scrolling, and slow
    scrolling performance.
    
    The problem is either visible or not, there is not gradual
    performance degredation.
    

Problem conclusion

  • The code has been changed so that performance is not
    degraded when scrolling through a module that contains large
    OLE objects.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM14473

  • Reported component name

    TLOGIC DOORS

  • Reported component ID

    5724V61DR

  • Reported release

    920

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-05-13

  • Closed date

    2010-09-17

  • Last modified date

    2010-09-17

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    TLOGIC DOORS

  • Fixed component ID

    5724V61DR

Applicable component levels

  • R920 PSN

       UP



Document information

More support for: Rational DOORS

Software version: 9.2

Reference #: PM14473

Modified date: 17 September 2010