Hi,   "Solution", you can test it:   1. MainForm -> Script:         2. UniComboBox1 in HiddenPanel, UniComboBox1 -> ClientEvents -> UniEvents, ExtEvents ->   beforeInit: function beforeInit(sender, config) {     config.listConfig = {         tpl: new Ext.XTemplate(             '<tpl for="."><div class="x-boundlist-item"><span style="background: {[this.getHex(values.val)]}">        </span> {val}</div></tpl>', {                 disabl