# Gc for layout.bin\_window

**URL:** <https://www.ruby-forum.com/t/gc-for-layout-bin-window/83334>\
**Category:** Ruby-Gnome 2\
**Created:** [January 25, 2007, 9:55am UTC](https://www.ruby-forum.com/t/gc-for-layout-bin-window/83334 "2007-01-25T09:55:01Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/77aa72/32.png) [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Post date:** [January 25, 2007, 9:55am UTC](https://www.ruby-forum.com/t/gc-for-layout-bin-window/83334/1 "2007-01-25T09:55:01Z")

</div>

hi,

lay=Gtk::Layout.new  
gc=Gdk::GC.new(lay.bin\_window)

gives

/usr/lib64/ruby/site\_ruby/1.8/rubygems/custom\_require.rb: line 27  
Gdk-CRITICAL \*\*:gdk\_gc\_new: assertion `drawable != NULL' failed examples/layout_gc.rb:6:in`initialize’: failed to initialize  
(RuntimeError)  
from examples/layout\_gc.rb:6:in `new’  
from examples/layout\_gc.rb:6

am i doing this wrong?

thanks,  
balint

---

<div class="post-metadata">

**Author:** ![Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/77aa72/32.png) [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Post date:** [January 25, 2007, 1:04pm UTC](https://www.ruby-forum.com/t/gc-for-layout-bin-window/83334/2 "2007-01-25T13:04:37Z")

</div>

Hi,

In [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
“[ruby-gnome2-devel-en] gc for layout.bin\_window” on Thu, 25 Jan 2007  
10:53:39 +0200,  
Dobai-Pataky Bálint [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> am i doing this wrong?

You need to realize lay before you use lay.bin\_window.

## Thanks,

kou

* * *

Take Surveys. Earn Cash. Influence the Future of IT  
Join [SourceForge.net](http://SourceForge.net)’s Techsay panel and you’ll get the chance to share  
your  
opinions on IT & business topics through brief surveys - and earn cash  
[http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV](http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV)

---

<div class="post-metadata">

**Author:** ![Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/77aa72/32.png) [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\
**Post date:** [January 25, 2007, 2:56pm UTC](https://www.ruby-forum.com/t/gc-for-layout-bin-window/83334/3 "2007-01-25T14:56:00Z")

</div>

* * *

Take Surveys. Earn Cash. Influence the Future of IT  
Join [SourceForge.net](http://SourceForge.net)’s Techsay panel and you’ll get the chance to share  
your  
opinions on IT & business topics through brief surveys - and earn cash  
[http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV](http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV)