# How to query a Gtk::Window for its current height and width?

**URL:** <https://www.ruby-forum.com/t/how-to-query-a-gtk-window-for-its-current-height-and-width/214732>\
**Category:** Ruby-Gnome 2\
**Created:** [December 10, 2011, 8:59pm UTC](https://www.ruby-forum.com/t/how-to-query-a-gtk-window-for-its-current-height-and-width/214732 "2011-12-10T20:59:44Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dubstep](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/cdc98d/32.png) [@dubstep](https://www.ruby-forum.com/u/dubstep)\
**Post date:** [December 10, 2011, 8:59pm UTC](https://www.ruby-forum.com/t/how-to-query-a-gtk-window-for-its-current-height-and-width/214732/1 "2011-12-10T20:59:44Z")

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Hi,

I need to react on a resize event. But I also need width and height,  
before, and after the resize event.

How can I find out these two values?

Thanks.

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**Author:** ![quik77](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/q/dec6dc/32.png) [@quik77](https://www.ruby-forum.com/u/quik77)\
**Post date:** [December 11, 2011, 2:07pm UTC](https://www.ruby-forum.com/t/how-to-query-a-gtk-window-for-its-current-height-and-width/214732/2 "2011-12-11T14:07:28Z")

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hi Marc -

how about the #size method?

```
win = Gtk::Window.new()

p win.size

=> [200, 200]

```

- j

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**Author:** ![quik77](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/q/dec6dc/32.png) [@quik77](https://www.ruby-forum.com/u/quik77)\
**Post date:** [December 12, 2011, 10:00pm UTC](https://www.ruby-forum.com/t/how-to-query-a-gtk-window-for-its-current-height-and-width/214732/3 "2011-12-12T22:00:36Z")

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Hi!

Yes, exactly!

Thanks!