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How to change background color of 3 text widgets in same time? [message #466405]

Tue, 10 January 2006 10:19

Eclipse User

Originally posted by: smatijasevic.gmail.com

If I try with Thread I get SWTException because I accessing to UI-thread
element from non-UI-thread.
Is there any way to do this?

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Re: How to change background color of 3 text widgets in same time? [message #466410 is a reply to message #466405]

Tue, 10 January 2006 12:23

Alex Blewitt

Messages: 946
Registered: July 2009

Senior Member

You need to package them up into the same Runnable, and use Display.syncExec() or Display.asyncExec() to get it run in the UI thread. (The first will block until it's done; the second will run in the background.)

There's an example of this at http://www-128.ibm.com/developerworks/java/library/os-jface3 /#listing10 in Listing 10. Also, have a look at the SWT information at http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse. platform.doc.isv/guide/swt_threading.htm

Alex.

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Re: How to change background color of 3 text widgets in same time? [message #466420 is a reply to message #466410]

Tue, 10 January 2006 13:56

Eclipse User

Originally posted by: smatijasevic.gmail.com

Thank you, it works now :)

"Alex Blewitt" <alex_blewitt@yahoo.com> wrote in message
news:14940836.1136895820319.JavaMail.root@cp1.javalobby.org...
> You need to package them up into the same Runnable, and use
> Display.syncExec() or Display.asyncExec() to get it run in the UI thread.
> (The first will block until it's done; the second will run in the
> background.)
>
> There's an example of this at
> http://www-128.ibm.com/developerworks/java/library/os-jface3 /#listing10 in
> Listing 10. Also, have a look at the SWT information at
> http://help.eclipse.org/help31/index.jsp?topic=/org.eclipse. platform.doc.isv/guide/swt_threading.htm
>
> Alex.

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