const colorBox = $('#colorBoxContainer').dxColorBox('instance');

colorBox.registerKeyHandler('backspace', function(e) {
    // The argument 'e' contains information about the event
});
colorBox.registerKeyHandler('space', function(e) {
    // ...
});

import { ViewChild, AfterViewInit } from '@angular/core';
import { DxColorBoxComponent } from 'devextreme-angular/ui/color-box';

@Component({
    imports: [DxColorBoxComponent],
    // ...
})
export class AppComponent implements AfterViewInit {
    @ViewChild(DxColorBoxComponent, { static: false }) colorBox!: DxColorBoxComponent;
    // Prior to Angular 8
    // @ViewChild(DxColorBoxComponent) colorBox: DxColorBoxComponent;

    ngAfterViewInit () {
        this.colorBox.instance.registerKeyHandler('backspace', function(e) {
            // The argument "e" contains information about the event
        });
        this.colorBox.instance.registerKeyHandler('space', function(e) {
            // ...
        });
    }
}

<template>
    <DxColorBox ref="colorBoxRef" />
</template>

<script setup lang="ts">
import { onMounted, ref } from 'vue';
import { DxColorBox } from 'devextreme-vue/color-box';

const colorBoxRef = ref<DxColorBox | null>(null);

onMounted(() => {
    colorBoxRef.value.instance.registerKeyHandler('backspace', function(e) {
        // The argument "e" contains information about the event
    });
    colorBoxRef.value.instance.registerKeyHandler('space', function(e) {
        // ...
    });
})

</script>

import React, { useRef, useEffect } from 'react';
import { ColorBox, type ColorBoxRef } from 'devextreme-react/color-box';

function App() {
    const colorBoxRef = useRef<ColorBoxRef>(null);

    useEffect(() => {
        const colorBox = colorBoxRef.current.instance();
        colorBox.registerKeyHandler('backspace', function(e) {
            // The argument "e" contains information about the event
        });
        colorBox.registerKeyHandler('space', function(e) {
            // ...
        });
    }, []);

    return (
        <ColorBox ref={colorBoxRef} />
    );
}