dhtmlxCombo AutoHeight in Form

Suite and Optimus Suite 5
#1

How can i set the AutoHeight-property of a dhtmlxCombo on a Form?
I’ve tried

form_1.getCombo('myCombo').enableOptionAutoHeight(true,100);

but i get this Message:

Object # has no method 'enableOptionAutoHeight'

Thanks in advance,
MiSchn1

#2

Please check if you have attached dhtmlxcombo_whp.js to your page

#3

thanks, that did the trick!