can not modify window's headHeight?

Discontinued products DHTMLX Touch
#1

view:window,headHeight default value 43,i think modify this value,but after modifyed,headHeight not change.
dhx.ui({
view:“window”,
id:“win5”,
height:307,
width:225,
left:245,
top:328,
headHeight:30,
head:{view:“toolbar”, type:“MainBar”, cols:[{view:“label”, label:“price”, align:“left”}]},
body:{
view:“dataview”,
id:“price”,
type:{
template:"#num#",
height:45,
width:54
},
edit:false,
drag:false,
url:“number.json”,
datatype:“json”
}
}).hide();

#2

Instead of

headHeight:30,
head:{view:“toolbar”, type:“MainBar”, cols:[{view:“label”, label:“price”, align:“left”}]},

You can try to use

head:{view:“toolbar”, height:30, type:“MainBar”, cols:[{view:“label”, label:“price”, align:“left”}]},