Specifying the Content Template
The template implementation depends on the used framework or library. Examples of jQuery, Angular, and ASP.NET MVC are presented below. They show how to create a template consisting of static (text) and dynamic (the Switch UI component) content.
jQuery
$(function() {
    $("#tooltipContainer").dxTooltip({
        target: "#image",
        showEvent: 'dxhoverstart',
        contentTemplate: function (contentElement) {
            contentElement.append(
                $("<p />").text("Static content"),
                $("<div />").attr("id", "switchContainer").dxSwitch({
                    // The "Switch" UI component is configured here
                })
            )
        }
    });
});<img id="image" src="https://url/to/an/image" /> <div id="tooltipContainer"></div>
Angular
<img id="image" src="https://url/to/an/image" />
<dx-tooltip
    target="#image"
    showEvent="dxhoverstart"
    contentTemplate="tooltipContent">
    <div *dxTemplate="let data of 'tooltipContent'">
        <p>Static content</p>
        <dx-switch>
            <!-- The "Switch" UI component is configured here -->
        </dx-switch>
    </div>
</dx-tooltip>
import { DxTooltipModule, DxSwitchModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxTooltipModule,
        DxSwitchModule
    ],
    // ...
})Vue
<template>
    <div>
        <img id="image" src="https://url/to/an/image" />
        <DxTooltip
            target="#image"
            show-event="dxhoverstart">
            <template>
                <p>Static content</p>
                <dx-switch>
                    <!-- The "Switch" UI component is configured here -->
                </dx-switch>
            </template>
        </DxTooltip>
    </div>
</template>
<script>
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';
import { DxTooltip } from 'devextreme-vue/tooltip';
import { DxSwitch } from 'devextreme-vue/switch';
export default {
    components: {
        DxTooltip,
        DxSwitch
    }
}
</script>React
import React from 'react';
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';
import { Tooltip } from 'devextreme-react/tooltip';
import { Switch } from 'devextreme-react/switch';
const renderContent = () => {
    return (
        <p>Static content</p>
        <Switch>
            {/* The "Switch" UI component is configured here */}
        </Switch>
    );
}
class App extends React.Component {
    render() {
        return (
            <div>
                <img id="image" src="https://url/to/an/image" />
                <Tooltip
                    target="#image"
                    showEvent="dxhoverstart"
                    contentRender={renderContent}
                />
            </div>
        );
    }
}
export default App;ASP.NET MVC Controls
@(Html.DevExtreme().Tooltip()
    .Target("#image")
    .ShowEvent("dxhoverstart")
    .ContentTemplate(@<text>
        <p>Static content</p>
        @(Html.DevExtreme().Switch()
            // The "Switch" UI component is configured here
        )
    </text>)
)
<img id="image" src="https://url/to/an/image" />Switching Templates On the Fly
If you need to render different templates depending on a specific condition, define them inside the Tooltip container using the DevExtreme dxTemplate markup component. You can switch the templates on the fly by changing the contentTemplate property's value.
jQuery
<img id="image" src="https://url/to/an/image" />
<div id="buttonContainer"></div>
<div id="tooltipContainer">
    <div data-options="dxTemplate: { name: 'template1' }">
        <p>First template</p>
    </div>
    <div data-options="dxTemplate: { name: 'template2' }">
        <p>Second template</p>
    </div>
</div>$(function() {
    const tooltip = $("#tooltipContainer").dxTooltip({
        target: "#image",
        showEvent: 'dxhoverstart',
        hideEvent: 'dxhoverend',
        contentTemplate: 'template1'
    }).dxTooltip("instance");
    $("#buttonContainer").dxButton({
        text: "Change the Template", 
        onClick: function (e) {
            const currentTemplate = tooltip.option("contentTemplate");
            tooltip.option("contentTemplate", currentTemplate == "template1" ? "template2" : "template1");
        } 
    });
});#buttonContainer {
    display: block;
    width: 200px
}Angular
<img id="image" src="https://url/to/an/image" />
<dx-button
    id="buttonContainer"
    text="Change the Template"
    (onClick)="changeTemplate()">
</dx-button>
<dx-tooltip
    target="#image"
    showEvent="dxhoverstart"
    hideEvent="dxhoverend"
    [contentTemplate]="currentTemplate">
    <div *dxTemplate="let data of 'template1'">
        <p>First template</p>
    </div>
    <div *dxTemplate="let data of 'template2'">
        <p>Second template</p>
    </div>
</dx-tooltip>
import { DxTooltipModule, DxButtonModule } from "devextreme-angular";
// ...
export class AppComponent {
    currentTemplate: string = "template1";
    changeTemplate () {
        this.currentTemplate = (this.currentTemplate == 'template1' ? 'template2' : 'template1')
    }
}
@NgModule({
    imports: [
        // ...
        DxTooltipModule,
        DxButtonModule
    ],
    // ...
})#buttonContainer {
    display: block;
    width: 200px
}Vue
<template>
    <div>
        <img id="image" src="https://url/to/an/image" />
        <DxTooltip
            target="#image"
            show-event="dxhoverstart"
            hide-event="dxhoverend"
            :contentTemplate="currentTemplate">
            <template #template1>
                <p>First template</p>
            </template>
            <template #template2>
                <p>Second template</p>
            </template>
        </DxTooltip>
        <DxButton
            id="buttonContainer"
            text="Change the Template"
            @click="changeTemplate"
        />
    </div>
</template>
<script>
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';
import { DxTooltip } from 'devextreme-vue/tooltip';
import { DxButton } from 'devextreme-vue/button';
export default {
    components: {
        DxTooltip,
        DxButton
    },
    data() {
        return {
            currentTemplate: "template1"
        };
    },
    methods: {
        changeTemplate () {
            this.currentTemplate = (this.currentTemplate === 'template1' ? 'template2' : 'template1');
        }
    }
}
</script>
<style>
    #buttonContainer {
        display: block;
        width: 200px
    }
</style>React
import React from 'react';
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';
import { Tooltip } from 'devextreme-react/tooltip';
import { Button } from 'devextreme-react/button';
const firstTemplate = () => {
    return (
        <p>First template</p>
    );
}
const secondTemplate = () => {
    return (
        <p>Second template</p>
    );
}
class App extends React.Component {
    constructor(props) {
        super(props);
        this.state = {
            renderContent: firstTemplate
        };
        this.changeTemplate = this.changeTemplate.bind(this);
    }
    changeTemplate() {
        this.setState({
            renderContent: this.state.renderContent === firstTemplate ? secondTemplate : firstTemplate
        });
    }
    render() {
        return (
            <div>
                <img id="image" src="https://url/to/an/image" />
                <Tooltip
                    target="#image"
                    showEvent="dxhoverstart"
                    hideEvent="dxhoverend"
                    contentRender={this.state.renderContent}
                />
                <Button
                    id="buttonContainer"
                    text="Change the Template"
                    onClick={this.changeTemplate}
                />
            </div>
        );
    }
}
export default App;
#buttonContainer {
    display: block;
    width: 200px
}ASP.NET MVC Controls
@(Html.DevExtreme().Tooltip()
    .ID("tooltip")
    .Target("#image")
    .ShowEvent("dxhoverstart")
    .HideEvent("dxhoverend")
    .ContentTemplate(new TemplateName("template1"))
)
@using (Html.DevExtreme().NamedTemplate("template1")) {
    <p>First template</p>
}
@using (Html.DevExtreme().NamedTemplate("template2")) {
    <p>Second template</p>
}
<img id="image" src="https://url/to/an/image" />
@(Html.DevExtreme().Button()
    .ID("changeTemplateButton")
    .Text("Change the Template")
    .OnClick("changeTemplateButton_click")
)
<script type="text/javascript">
    function changeTemplateButton_click() {
        const tooltip = $("#tooltip").dxTooltip("instance");
        const currentTemplate = tooltip.option("contentTemplate");
        tooltip.option("contentTemplate", currentTemplate.selector == "#template1" ? $("#template2") : $("#template1"));
    }
</script>#changeTemplateButton {
    display: block;
    width: 200px
}See Also
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