How to resize column width of webix data table when user click on button.

Webix JS
#1

I am trying to resize the width of each column of webix data table on button click.
When user click on the button then the size of each column width should be 200px.

here is my snippet

http://webix.com/snippet/a728db3d

please help me

#2

http://webix.com/snippet/38e73eee

#3

Thank you so much intregal.One more question I have.
How to hide the last column of the table on button click.

http://webix.com/snippet/38e73eee

#4

there is a dedicated method
http://docs.webix.com/api__ui.datatable_hidecolumn.html
if you want to hide the last visible column on each click, then iterate by eachColumn(fn, false) and retrieve last id

#5

Thank you.