Angular ScrollView Properties

Default Value: true, false (desktop)

If the property is set to true, you can scroll the UI component content up (down) even if you have reached the bottom (top) boundary. But when you release the content, it returns to the bound position. If the property value is false, you can scroll the UI component content until you reach the boundary.

direction

A string value specifying the available scrolling directions.

Type:

Default Value: 'vertical'

Accepted Values: 'both' | 'horizontal' | 'vertical'

disabled

Specifies whether the UI component responds to user interaction.

Type:

Default Value: false

elementAttr

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

Selector: dxo-element-attr

Type:

Default Value: {}

jQuery

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

Angular

HTML

TypeScript

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

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

Vue

App.vue

<template>
    <DxScrollView ...
        :element-attr="scrollViewAttributes">
    </DxScrollView>
</template>

<script>
import DxScrollView from 'devextreme-vue/scroll-view';

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

React

App.js

import React from 'react';

import ScrollView from 'devextreme-react/scroll-view';

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

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

height

Specifies the UI component's height.

Type:

|

|

Return Value:

|

The UI component's height.

Default Value: undefined

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".
Function (deprecated since v21.2)
Refer to the W0017 warning description for information on how you can migrate to viewport units.

onDisposing

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

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The UI component's instance.

element

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

model

any

Model data. Available only if you use Knockout.

Default Value: null

onInitialized

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

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The UI component's instance.

element

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

Default Value: null

jQuery

Get a UI Component Instance

Angular

Get a UI Component Instance

Vue

Get a UI Component Instance

React

Get a UI Component Instance

onOptionChanged

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

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
model	any	Model data. Available only if you use Knockout.
fullName	String	The path to the modified property that includes all parent properties.
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	ScrollView	The UI component's instance.
name	String	The modified property if it belongs to the first level. Otherwise, the first-level property it is nested into.
value	any	The modified property's new value.

Default Value: null

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

jQuery

index.js

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

Angular

app.component.html

app.component.ts

app.module.ts

<dx-scroll-view ...
    (onOptionChanged)="handlePropertyChange($event)"> 
</dx-scroll-view>

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 { DxScrollViewModule } from 'devextreme-angular'; 

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

export class AppModule { }

Vue

App.vue

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

<script>  
import 'devextreme/dist/css/dx.light.css'; 
import DxScrollView from 'devextreme-vue/scroll-view'; 

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

React

App.js

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

import ScrollView from 'devextreme-react/scroll-view'; 

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

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

onPullDown

A function that is executed when the "pull to refresh" gesture is performed. Supported on mobile devices only.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The UI component's instance.

element

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

model

any

Model data. Available only if Knockout is used.

Default Value: null

The function passed to this property should contain a call to the release() method, which releases the scroll view.

JavaScript

var scrollViewOptions = {
    onPullDown: function(options){
        . . .
        options.component.release();
    }
}

onReachBottom

A function that is executed when the content is scrolled down to the bottom.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The UI component's instance.

element

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

model

any

Model data. Available only if Knockout is used.

Default Value: null

The function passed to this property should contain a call to the release() method, which releases the scroll view.

JavaScript

var scrollViewOptions = {
    onReachBottom: function(options){
        . . .
        options.component.release();
    }
}

onScroll

A function that is executed on each scroll gesture.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ScrollView	The UI component's instance.
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is an EventObject or a jQuery.Event when you use jQuery.
model	any	Model data. Available only if Knockout is used.
reachedBottom	Boolean	Indicates whether the container's bottom boundary is reached.
reachedLeft	Boolean	Indicates whether the container's left boundary is reached.
reachedRight	Boolean	Indicates whether the container's right boundary is reached.
reachedTop	Boolean	Indicates whether the container's top boundary is reached.
scrollOffset	Object	The current scroll offset in the following format: { top: topOffset, left: leftOffset }.

Default Value: null

onUpdated

A function that is executed each time the UI component is updated.

Type:

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	ScrollView	The UI component's instance.
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is an EventObject or a jQuery.Event when you use jQuery.
model	any	Model data. Available only if Knockout is used.
reachedBottom	Boolean	Indicates whether the container's bottom boundary is reached.
reachedLeft	Boolean	Indicates whether the container's left boundary is reached.
reachedRight	Boolean	Indicates whether the container's right boundary is reached.
reachedTop	Boolean	Indicates whether the container's top boundary is reached.
scrollOffset	Object	The current scroll offset in the following format: { top: topOffset, left: leftOffset }.

Default Value: null

pulledDownText

Specifies the text shown in the pullDown panel when pulling the content down lowers the refresh threshold.

Type:

Default Value: 'Release to refresh...', '' (Material)

pullingDownText

Specifies the text shown in the pullDown panel while pulling the content down to the refresh threshold.

Type:

Default Value: 'Pull down to refresh...', '' (Material)

reachBottomText

Specifies the text shown in the pullDown panel displayed when content is scrolled to the bottom.

Type:

Default Value: 'Loading...', '' (Material)

refreshingText

Specifies the text shown in the pullDown panel displayed when the content is being refreshed.

Type:

Default Value: 'Refreshing...', '' (Material)

rtlEnabled

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

Type:

DataGrid Demo Navigation UI Demo Editors Demo

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.

JavaScript

DevExpress.config({
    rtlEnabled: true
});

scrollByContent

A Boolean value specifying whether or not an end-user can scroll the UI component content swiping it up or down. Applies only if useNative is false

Type:

Default Value: true, false (non-touch devices)

scrollByThumb

Specifies whether a user can scroll the content with the scrollbar. Applies only if useNative is false.

Type:

Default Value: false, true (desktop)

showScrollbar

Specifies when the UI component shows the scrollbar.

Type:

Default Value: 'onScroll', 'onHover' (desktop)

Accepted Values: 'onScroll' | 'onHover' | 'always' | 'never'

Setting this property makes sense only when the useNative property is set to false.

useNative

Indicates whether to use native or simulated scrolling.

Type: