Resize and Relocate

To change the size of the Popover, specify the height and width options.

jQuery
JavaScript
HTML
$(function() {
    $("#popoverContainer").dxPopover({
        target: "#image",
        showEvent: 'dxhoverstart',
        hideEvent: 'dxhoverend',
        height: 300,
        width: 500
    });
});
<img id="image" src="https://url/to/an/image" />
<div id="popoverContainer">
    <p>Popover content</p>
</div>
Angular
HTML
TypeScript
<img id="image" src="https://url/to/an/image" />
<dx-popover
    target="#image"
    showEvent="dxhoverstart"
    hideEvent="dxhoverend"
    [height]="300"
    [width]="500">
    <div *dxTemplate="let data of 'content'">
        <p>Popover content</p>
    </div>
</dx-popover>
import { DxPopoverModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxPopoverModule
    ],
    // ...
})
Vue
<template>
    <div>
        <img id="image" src="https://url/to/an/image" />
        <DxPopover 
            target="#image"
            show-event="dxhoverstart"
            hide-event="dxhoverend"
            :height="300"
            :width="500">
            <template>
                <p>Popover content</p>
            </template>
        </DxPopover>
    </div>
</template>

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

import { DxPopover } from 'devextreme-vue/popover';

export default {
    components: {
        DxPopover
    }
}
</script>
React
import React from 'react';
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';

import { Popover } from 'devextreme-react/popover';

const renderContent = () => {
    return (
        <p>Popover content</p>
    );
};

class App extends React.Component {
    render() {
        return (
            <div>
                <img id="image" src="https://url/to/an/image" />
                <Popover
                    target="#image"
                    showEvent="dxhoverstart"
                    hideEvent="dxhoverend"
                    height={300}
                    width={500}
                    contentRender={renderContent}
                />
            </div>
        );
    }
}

export default App;
ASP.NET MVC Controls
Razor C#
@(Html.DevExtreme().Popover()
    .Target("#image")
    .ShowEvent("dxhoverstart")
    .HideEvent("dxhoverend")
    .ContentTemplate(@<text>
        <p>Popover content</p>
    </text>)
    .Height(300)
    .Width(500)
)
<img id="image" src="https://url/to/an/image" />

If you need to position the Popover against a certain side of the target element, set the position option.

jQuery
JavaScript
$(function() {
    $("#popoverContainer").dxPopover({
        target: "#image",
        showEvent: 'dxhoverstart',
        hideEvent: 'dxhoverend',
        position: "top" // or "bottom" | "left" | "right"
    });
});
Angular
HTML
TypeScript
<img id="image" src="https://url/to/an/image" />
<dx-popover
    target="#image"
    showEvent="dxhoverstart"
    hideEvent="dxhoverend"
    position="top"> <!-- or "bottom" | "left" | "right" -->
    <div *dxTemplate="let data of 'content'">
        <p>Popover content</p>
    </div>
</dx-popover>
import { DxPopoverModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxPopoverModule
    ],
    // ...
})
Vue
<template>
    <div>
        <img id="image" src="https://url/to/an/image" />
        <DxPopover 
            target="#image"
            show-event="dxhoverstart"
            hide-event="dxhoverend"
            position="top"> <!-- or "bottom" | "left" | "right" -->
            <template>
                <p>Popover content</p>
            </template>
        </DxPopover>
    </div>
</template>

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

import { DxPopover } from 'devextreme-vue/popover';

export default {
    components: {
        DxPopover
    }
}
</script>
React
import React from 'react';
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';

import { Popover } from 'devextreme-react/popover';

const renderContent = () => {
    return (
        <p>Popover content</p>
    );
};

class App extends React.Component {
    render() {
        return (
            <div>
                <img id="image" src="https://url/to/an/image" />
                <Popover
                    target="#image"
                    showEvent="dxhoverstart"
                    hideEvent="dxhoverend"
                    contentRender={renderContent}
                    position="top"/> {/* or "bottom" | "left" | "right" */}
            </div>
        );
    }
}

export default App;
ASP.NET MVC Controls
Razor C#
@(Html.DevExtreme().Popover()
    .Target("#image")
    .ShowEvent("dxhoverstart")
    .HideEvent("dxhoverend")
    .ContentTemplate(@<text>
        <p>Popover content</p>
    </text>)
    .Position(Position.Top) // or Position.Bottom | Position.Left | Position.Right
)
<img id="image" src="https://url/to/an/image" />
See Also