Re: [platform-ui-dev] disposing widgets in Wizard

["Nick Edgar" <Nick_Edgar@xxxxxxx>]

Gupta,

Please post questions like this on the eclipse.tools newsgroup.  This list 
is intended for discussions by the Platform UI team.
There are many more people who can help you on the newsgroup.

It would also help to indicate which exception you are getting.  Is it a 
CoreException or an SWTException?
WorkspaceModifyOperation only changes the workspace in the way you specify 
in the execute method.  It does not affect the wizard pages.
I suspect what is happening is that the methods you use end up calling 
SWT, which must be called in the UI thread.  A WorkspaceModifyOperation 
usually runs in a background thread, not the UI thread.  This depends on 
what you specified for the fork flag when you passed your 
WorkspaceModifyOperation to the run method.

Regards,
Nick





"Gupta, Saurabh [IT]" <saurabh.gupta@xxxxxxxxxxxxx>
Sent by: platform-ui-dev-admin@xxxxxxxxxxx
08/11/2002 10:09 AM
Please respond to platform-ui-dev

 
        To:     platform-ui-dev@xxxxxxxxxxx
        cc: 
        Subject:        [platform-ui-dev] disposing widgets in Wizard


Hi,
I am creating a Wizard for creating new projects and extending
BasicNewResourceWizard. I have two WizardPages, a
WizardNewProjectCreationPage and one of my own custom pages.

Upon performFinish(), I run a WorkspaceModifyOperation() and in this I 
call
some methods on WizardNewProjectCreationPage  including
WizardNewProjectCreationPage.getProjectName() . I always get Exceptions.

However, when I call methods before (and not inside)
WorkspaceModifyOperation, I am always able to successfully execute. 

Are the widgets on the WizardPages getting disposed in the
WorkspaceModifyOperation.??
Also, I am creating some SWT widgets in my WizardPage. How should I 
dispose
them??

thanks
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