[Mono-list] Window with Gecko WebControl does not reopen

[colbec]

Chris Howie-3 wrote:
> 
> On Wed, Aug 6, 2008 at 10:15 AM, colbec <colbec at start.ca> wrote:
>> I have a window A which contains a button which opens a new window B
>> containing a WebControl. Each time the button in window A is pressed a
>> new
>> instance of window B opens with a different URL exposed in the B
>> WebControl.
>> This works fine repeatedly with new windows provided at least one child
>> window remains open.
>>
>> As soon as all child windows have been closed then a press on the button
>> in
>> window A crashes the application with the following stacktrace when the
>> method ShowAll() is applied to the window:
> 
> Yes, I had this same issue.  My solution was to create a WebControl
> and hold a reference to it while the program is open.  This seems to
> be enough to keep it happy.
> 
> -- 
> Chris Howie
> http://www.chrishowie.com
> http://en.wikipedia.org/wiki/User:Crazycomputers
> _______________________________________________
> Mono-list maillist  -  Mono-list at lists.ximian.com
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> 
> 

Thanks for this suggestion of a dummy instance. At first it looked very
good, in the MonoDevelop IDE the solution works very well, but when I run
the app from the CLI it fails. I have updated my library refs to indicate
that the libgtkembedmoz.so is in /usr/lib/xulrunner-1.8.1.13/.

In trying to trap the error in the CLI context I get "Object reference not
set to an instance of an object" even though monodevelop thinks there is a
reference. The window with the WebControl opens, but the control itself is
missing. The rest of the app works fine from the CLI.

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