[Interest] Update QComboBox items on opening the combo box

[André Hartmann]

Hi Adam,

thank you very much. This function is exactly what I need and it works fine.

Best regards,
Andre

Am 30.06.2014 14:58, schrieb Adam Light:
>
>
>
> On Mon, Jun 30, 2014 at 2:36 AM, André Hartmann
> <andre.hartmann at iseg-hv.de <mailto:andre.hartmann at iseg-hv.de>> wrote:
>
>     Hello all,
>
>     I'd like to have a QComboBox with the available serial ports on my
>     system. Populating the box at program start is easy, but I'd like to
>     detect USB serial ports that are connected during run time.
>
>     The only think I found is focusInEvent, but it seems my port list is
>     updated twice, on opening the list and on closing it (Windows 7, Qt
>     4.8.2). Is there a better way to do?
>
>     I'd really like to have something like QComboBox::onOpened().
>     Borland C++ Builder had OnDropDown which for that purpose.
>
>
> Check out the virtual method QComboBox::showPopup().
>
> http://qt-project.org/doc/qt-4.8/qcombobox.html#showPopup
>
> Adam
>


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Best regards / Mit freundlichen Grüßen
André Hartmann, Dipl.-Ing. (FH)
Software Project Manager

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