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Avex
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 Posted: Tue Jan 10, 2006 4:23 pm Post subject: How can I send a message to QT component? |
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Hi all,
I want to send Lon./Lat. values to GoogleEarth and force it to search the
location I want for me. Now, I have got the handle of GoogleEarth window
and its component handle, however I found the combobox component of
GoogleEarth is QComboBox which inherit from QWidget (QT). Is there a way to
send message to control QComboBox as to control ComboBox in windows?
Moreover, CB_XXXX messages seems not work, but , 'SetWindowPos' can
show/hide the QComboBox I found. I have no experience on QT, can anyone tell
me what the mechanism QT is? And how can I control it? Does QT also support
messages concepts ?
thanks for any help,
Avex
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JD
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| Posted: Tue Jan 10, 2006 5:08 pm Post subject: Re: How can I send a message to QT component? |
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"Avex" <avex@I.Dont.Like.Spammer> wrote:
| Quote: |
[...] I have no experience on QT, can anyone tell me what
the mechanism QT is?
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It would be nice to know exactly how it was constructed but
it's a window and that all you need to know - it's HWND.
| Quote: | And how can I control it?
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There are win 32 API's that will set/get the text. If all else
fails, use the clipboard to paste it in.
| Quote: | Does QT also support messages concepts ?
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You already proved that it does - just not ComboBox specific
messages.
~ JD
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