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Showing content from https://js.devexpress.com/Vue/Documentation/ApiReference/UI_Components/dxButtonGroup/Configuration/ below:

Vue ButtonGroup Props | Vue Documentation

This section describes properties that configure the ButtonGroup UI component's contents, behavior and appearance.

Specifies the shortcut key that sets focus on the UI component.

Selector: access-key

Default Value: undefined

The value of this property will be passed to the accesskey attribute of the HTML element that underlies the UI component.

Specifies whether the UI component changes its visual state as a result of user interaction.

Selector: active-state-enabled

Default Value: false

The UI component switches to the active state when users press down the primary mouse button. When this property is set to true, the CSS rules for the active state apply. You can change these rules to customize the component.

Use this property when you display the component on a platform whose guidelines include the active state change for UI components.

Specifies a template for all the buttons in the group.

Selector: button-template

Object

An object from the items array, extended with the icon and text fields.

Default Name: 'content'

$(function() {
    $("#buttonGroupContainer").dxButtonGroup({
        // ...
        buttonTemplate: function(itemData, $buttonContent) {
            $buttonContent.append(
                // Custom jQuery elements go here
            )
            // ===== or =====
            return /* your markup goes here */
        }
    });
});

<dx-button-group ... 
    buttonTemplate="myTemplate">
    <div *dxTemplate="let buttonData of 'myTemplate'">
        <!-- your markup goes here -->
    </div>
</dx-button-group>

import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';

import { DxButtonGroupModule } from 'devextreme-angular';

@NgModule({
    declarations: [
        AppComponent
    ],
    imports: [
        BrowserModule,
        DxButtonGroupModule
    ],
    providers: [],
    bootstrap: [AppComponent]
})
export class AppModule { }

<template>
    <DxButtonGroup ...
        button-template="myTemplate">
        <template #myTemplate="{ data }">
            <!-- your markup goes here -->
        </template>
    </DxButtonGroup>
</template>

<script>
import 'devextreme/dist/css/dx.light.css';

import { DxButtonGroup } from 'devextreme-vue';

export default {
    components: {
        DxButtonGroup
    },
    data() {
        return {
            // ...
        }
    }
}
</script>

import React from 'react';

import 'devextreme/dist/css/dx.light.css';

import { ButtonGroup } from 'devextreme-react';

const renderButton = (data) => {
    return (
        {/* your markup goes here */}
    );
}

class App extends React.Component {
    render() {
        return (
            <ButtonGroup ...
                buttonRender={renderButton}
            />
        );
    }
}

export default App;

Specifies whether the UI component responds to user interaction.

Specifies the global attributes to be attached to the UI component's container element.

Selector: DxElementAttr

Default Value: {}

$(function(){
    $("#buttonGroupContainer").dxButtonGroup({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});

<dx-button-group ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-button-group>

import { DxButtonGroupModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxButtonGroupModule
    ],
    // ...
})

<template>
    <DxButtonGroup ...
        :element-attr="buttonGroupAttributes">
    </DxButtonGroup>
</template>

<script>
import DxButtonGroup from 'devextreme-vue/button-group';

export default {
    components: {
        DxButtonGroup
    },
    data() {
        return {
            buttonGroupAttributes: {
                id: 'elementId',
                class: 'class-name'
            }
        }
    }
}
</script>

import React from 'react';

import ButtonGroup from 'devextreme-react/button-group';

class App extends React.Component {
    buttonGroupAttributes = {
        id: 'elementId',
        class: 'class-name'
    }

    render() {
        return (
            <ButtonGroup ...
                elementAttr={this.buttonGroupAttributes}>
            </ButtonGroup>
        );
    }
}
export default App;

Specifies whether the UI component can be focused using keyboard navigation.

Selector: focus-state-enabled

Default Value: true

Specifies the UI component's height.

This property accepts a value of one of the following types:

• Number
  The height in pixels.

• String
  A CSS-accepted measurement of height. For example, "55px", "20vh", "80%", "inherit".

Specifies text for a hint that appears when a user pauses on the UI component.

Specifies whether the UI component changes its state when a user pauses on it.

Selector: hover-state-enabled

Default Value: true

Configures buttons in the group.

The items array can contain:

• Objects with fields described in this section
• Objects with any other fields. In this case, specify the buttonTemplate.

If you need to update the UI component items, reassign the entire items[] array as shown in the following example:

buttonGroupInstance.option('items', newItems);

• keyExpr
• selectedItemKeys

Specifies which data field provides keys used to distinguish between the selected buttons.

Selector: key-expr

Default Value: 'text'

A function that is executed when the UI component is rendered and each time the component is repainted.

Selector: @content-ready

Information about the event.

Object structure:

Default Value: null

A function that is executed before the UI component is disposed of.

Selector: @disposing

Information about the event.

Object structure:

Default Value: null

A function used in JavaScript frameworks to save the UI component instance.

Selector: @initialized

Information about the event.

Object structure:

Default Value: null

<dx-button-group ...
    (onInitialized)="saveInstance($event)">
</dx-button-group>

import { Component } from "@angular/core";
import ButtonGroup from "devextreme/ui/data_grid";
// ...
export class AppComponent {
    buttonGroupInstance: ButtonGroup;
    saveInstance (e) {
        this.buttonGroupInstance = e.component;
    }
}

App.vue (Composition API)

<template>
    <div>
        <DxButtonGroup ...
            @initialized="saveInstance">
        </DxButtonGroup>
    </div>
</template>

<script>
import DxButtonGroup from 'devextreme-vue/button-group';

export default {
    components: {
        DxButtonGroup
    },
    data: function() {
        return {
            buttonGroupInstance: null
        };
    },
    methods: {
        saveInstance: function(e) {
            this.buttonGroupInstance = e.component;
        }
    }
};
</script>

<template>
    <div>
        <DxButtonGroup ...
            @initialized="saveInstance">
        </DxButtonGroup>
    </div>
</template>

<script setup>
import DxButtonGroup from 'devextreme-vue/button-group';

let buttonGroupInstance = null;

const saveInstance = (e) => {
    buttonGroupInstance = e.component;
}
</script>

import ButtonGroup from 'devextreme-react/button-group';

class App extends React.Component {
    constructor(props) {
        super(props);

        this.saveInstance = this.saveInstance.bind(this);
    }

    saveInstance(e) {
        this.buttonGroupInstance = e.component;
    }

    render() {
        return (
            <div>
                <ButtonGroup onInitialized={this.saveInstance} />
            </div>
        );
    }
}

• Get a UI component Instance in jQuery

• Get a UI component Instance in Angular

• Get a UI component Instance in Vue

• Get a UI component Instance in React

A function that is executed when a button is clicked or tapped.

Selector: @item-click

Information about the event.

Object structure:

Default Value: null

A function that is executed after a UI component property is changed.

Selector: @option-changed

Information about the event.

Object structure:

The modified property's new value.

The UI component's previous value.

String

The modified property if it belongs to the first level. Otherwise, the first-level property it is nested into.

String

The path to the modified property that includes all parent properties.

HTMLElement | jQuery

The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.

ButtonGroup

The UI component's instance.

Default Value: null

The following example shows how to subscribe to component property changes:

$(function() {
    $("#buttonGroupContainer").dxButtonGroup({
        // ...
        onOptionChanged: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    });
});

<dx-button-group ...
    (onOptionChanged)="handlePropertyChange($event)"> 
</dx-button-group>

import { Component } from '@angular/core'; 

@Component({ 
    selector: 'app-root', 
    templateUrl: './app.component.html', 
    styleUrls: ['./app.component.css'] 
}) 

export class AppComponent { 
    // ...
    handlePropertyChange(e) {
        if(e.name === "changedProperty") { 
            // handle the property change here
        }
    }
}

import { BrowserModule } from '@angular/platform-browser'; 
import { NgModule } from '@angular/core'; 
import { AppComponent } from './app.component'; 
import { DxButtonGroupModule } from 'devextreme-angular'; 

@NgModule({ 
    declarations: [ 
        AppComponent 
    ], 
    imports: [ 
        BrowserModule, 
        DxButtonGroupModule 
    ], 
    providers: [ ], 
    bootstrap: [AppComponent] 
}) 

export class AppModule { }  

<template> 
    <DxButtonGroup ...
        @option-changed="handlePropertyChange"
    />            
</template> 

<script>  
import 'devextreme/dist/css/dx.light.css'; 
import DxButtonGroup from 'devextreme-vue/button-group'; 

export default { 
    components: { 
        DxButtonGroup
    }, 
    // ...
    methods: { 
        handlePropertyChange: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    } 
} 
</script> 

import React from 'react';  
import 'devextreme/dist/css/dx.light.css'; 

import ButtonGroup from 'devextreme-react/button-group'; 

const handlePropertyChange = (e) => {
    if(e.name === "changedProperty") {
        // handle the property change here
    }
}

export default function App() { 
    return ( 
        <ButtonGroup ...
            onOptionChanged={handlePropertyChange}
        />        
    ); 
} 

A function that is executed when a button is selected or selection is canceled.

Selector: @selection-changed

Information about the event that caused the function's execution.

Object structure:

Array<any>

The data objects that correspond to the selected buttons.

ButtonGroup

The UI component's instance.

HTMLElement | jQuery

The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.

Array<any>

The data objects that correspond to the buttons whose selection has been canceled.
The objects are taken from the items array.

Default Value: null

Switches the UI component to a right-to-left representation.

Selector: rtl-enabled

Default Value: false

When this property is set to true, the UI component text flows from right to left, and the layout of elements is reversed. To switch the entire application/site to the right-to-left representation, assign true to the rtlEnabled field of the object passed to the DevExpress.config(config) method.

DevExpress.config({
    rtlEnabled: true
});

DataGrid Demo Navigation UI Demo Editors Demo

Contains keys of selected buttons and allows you to specify initial button selection state.

Selector: selected-item-keys

The data field that provides the keys can be specified using the keyExpr property.

• selectedItems

Contains the data objects that correspond to the selected buttons. The data objects are taken from the items array.

Specifies the button selection mode.

Selector: selection-mode

Default Value: 'single'

This property can have one of the following values:

• onSelectionChanged
• selectedItems
• selectedItemKeys

Specifies how buttons in the group are styled.

Selector: styling-mode

Default Value: 'contained'

The following styles are available:

View Demo

Specifies the number of the element when the Tab key is used for navigating.

Selector: tab-index

Default Value: 0

The value of this property will be passed to the tabindex attribute of the HTML element that underlies the UI component.

Specifies whether the UI component is visible.

Specifies the UI component's width.

This property accepts a value of one of the following types:

• Number
  The width in pixels.

• String
  A CSS-accepted measurement of width. For example, "55px", "20vw", "80%", "auto", "inherit".

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