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Enable or Disable Items in Vue ListBox component

To enable or disable items in the list box, enableItems method can be used. In the following example, the Bugatti Veyron Super Sport and SSC Ultimate Aero items are disabled by default and by clicking Enable Items buttons, the disabled items will be enabled.

Source
Preview
app.vue
<template>
  <div id="app">
    <div id='container' style="margin:10px auto 0; width:250px;">
        <ejs-listbox id="listbox" :dataSource='data' :created="onCreated" ></ejs-listbox>
        <button id="enableitem" class="e-btn" v-on:click="enableitem">Enable Items</button>
    </div>
  </div>
</template>
<script>
import Vue from 'vue';
import { ListBoxPlugin } from "@syncfusion/ej2-vue-dropdowns";

Vue.use(ListBoxPlugin);
export default {
  data (){
    return {
       data: [
    { text: 'Hennessey Venom', id: 'list-01' },
    { text: 'Bugatti Chiron', id: 'list-02' },
    { text: 'Bugatti Veyron Super Sport', id: 'list-03' },
    { text: 'SSC Ultimate Aero', id: 'list-04' },
    { text: 'Koenigsegg CCR', id: 'list-05' },
    { text: 'McLaren F1', id: 'list-06' },
    { text: 'Aston Martin One- 77', id: 'list-07' },
    { text: 'Jaguar XJ220', id: 'list-08' },
    { text: 'McLaren P1', id: 'list-09' },
    { text: 'Ferrari LaFerrari', id: 'list-10' },
];
    }
  },
  methods:{
  onCreated: function(e){
    var listboxobj= document.getElementById("listbox").ej2_instances[0];
    listboxobj.enableItems(["Bugatti Veyron Super Sport", "SSC Ultimate Aero"],false)
}

  enableitem: function(e){
    var listboxobj1= document.getElementById("listbox").ej2_instances[0];
    listboxobj1.enableItems(["Bugatti Veyron Super Sport", "SSC Ultimate Aero"],true)
  }
}
}

</script>
<style>
@import "../../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../../node_modules/@syncfusion/ej2-vue-inputs/styles/material.css";
@import "../../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";
</style>