Check out our programming sample for setting Layout, more precisely, limits on resizing. Layout divides the page into rows and columns where all other components are placed. It's recommended to set minWidth and maxWidth parameters for columns and minHeight and maxHeight for the rows. This step prevents them from collapsing, as when the resizer line reaches minimal width or height, the resizer line cannot be moved anymore. Feel free to use coding samples by Webix.
webix.ui({
rows:[
{ template:"row 1",minHeight:30 },
{ view:"resizer" },
{ template:"row 2",minHeight:30 },
{ view:"resizer" },
{ cols:[
{
id:"a1",
template:"column 1",
width:150,
minWidth:50,
maxWidth:250
},
{
view:"resizer",
id:"resizer"
},
{ template:"column 2" },
{ template:"column 3" }
], minHeight:60
}
]
});