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Showing content from https://js.devexpress.com/Vue/Documentation/ApiReference/UI_Components/dxMap/Methods/ below:

Vue Map Methods | Vue Documentation

This section describes members used to manipulate a UI component.

Adds a marker to the map.

A Promise that is resolved with an original marker instance when the marker is added. It is a native Promise or a jQuery.Promise when you use jQuery.

The marker object should include the following fields.

• location (required) - the marker location. You can specify the location in one of the following formats:
  • { lat: 40.749825, lng: -73.987963};
  • "40.749825, -73.987963";
  • [40.749825, -73.987963];
  • "Brooklyn Bridge,New York,NY";
• tooltip (optional) - the marker tooltip;
• onClick (optional) - a callback function performed when the marker is clicked;
• iconSrc (optional) - a URL pointing to the custom icon to be used for the marker.

Adds a route to the map.

A Promise that is resolved with an original route instance when the route is added. It is a native Promise or a jQuery.Promise when you use jQuery.

The route object should include the locations field, containing an array of route locations. Each location can be specified in any of the following formats.

• { lat: 40.749825, lng: -73.987963}
• "40.749825, -73.987963"
• [40.749825, -73.987963]
• "Brooklyn Bridge,New York,NY"

Postpones rendering that can negatively affect performance until the endUpdate() method is called.

The beginUpdate() and endUpdate() methods reduce the number of renders in cases where extra rendering can negatively affect performance.

Specifies the device-dependent default configuration properties for this component.

The component's default device properties.

Object structure:

Device

Function

Device parameters.
When you specify a function, get information about the current device from the argument. Return true if the properties should be applied to the device.

Object

Options to be applied.

defaultOptions is a static method that the UI component class supports. The following code demonstrates how to specify default properties for all instances of the Map UI component in an application executed on the desktop.

DevExpress.ui.dxMap.defaultOptions({ 
    device: { deviceType: "desktop" },
    options: {
        // Here go the Map properties
    }
});

import Map, { Properties } from "devextreme/ui/map";
// ...
export class AppComponent {
    constructor () {
        Map.defaultOptions<Properties>({
            device: { deviceType: "desktop" },
            options: {
                // Here go the Map properties
            }
        });
    }
}

<template>
    <div>
        <DxMap id="map1" />
        <DxMap id="map2" />
    </div>
</template>
<script>
import DxMap from "devextreme-vue/map";
import Map from "devextreme/ui/map";

Map.defaultOptions({
    device: { deviceType: "desktop" },
    options: {
        // Here go the Map properties
    }
});

export default {
    components: {
        DxMap
    }
}
</script>

import dxMap from "devextreme/ui/map";
import Map from "devextreme-react/map";

dxMap.defaultOptions({
    device: { deviceType: "desktop" },
    options: {
        // Here go the Map properties
    }
});

export default function App() {
    return (
        <div>
            <Map id="map1" />
            <Map id="map2" />
        </div>
    )
}

You can also set rules for multiple device types:

const devicesConfig = [
    { deviceType: 'desktop' },
    { deviceType: 'tablet' },
    { deviceType: 'phone' },
];

devicesConfig.forEach(deviceConfig => {
    DevExpress.ui.dxMap.defaultOptions({ 
        device: deviceConfig,
        options: {
            // Here go the Map properties
        }
    });
});

import Map, { Properties } from "devextreme/ui/map";
// ...
export class AppComponent {
    constructor () {
        const devicesConfig = [
            { deviceType: 'desktop' },
            { deviceType: 'tablet' },
            { deviceType: 'phone' },
        ];

        devicesConfig.forEach(deviceConfig => {
            Map.defaultOptions<Properties>({
                device: deviceConfig,
                options: {
                    // Here go the Map properties
                }
            });
        });
    }
}

<template>
    <div>
        <DxMap />
    </div>
</template>
<script>
import DxMap from "devextreme-vue/map";
import Map from "devextreme/ui/map";

const devicesConfig = [
    { deviceType: 'desktop' },
    { deviceType: 'tablet' },
    { deviceType: 'phone' },
];

devicesConfig.forEach(deviceConfig => {
    Map.defaultOptions({
        device: deviceConfig,
        options: {
            // Here go the Map properties
        }
    });
});

export default {
    components: {
        DxMap
    }
}
</script>

import dxMap from "devextreme/ui/map";
import Map from "devextreme-react/map";

const devicesConfig = [
    { deviceType: 'desktop' },
    { deviceType: 'tablet' },
    { deviceType: 'phone' },
];

devicesConfig.forEach(deviceConfig => {
    dxMap.defaultOptions({
        device: deviceConfig,
        options: {
            // Here go the Map properties
        }
    });
});

export default function App() {
    return (
        <div>
            <Map />
        </div>
    )
}

Disposes of all the resources allocated to the Map instance.

After calling this method, remove the DOM element associated with the UI component:

$("#myMap").dxMap("dispose");
$("#myMap").remove();

Use conditional rendering instead of this method:

<dx-map ...
    *ngIf="condition">
</dx-map>

Use conditional rendering instead of this method:

<template>
    <DxMap ...
        v-if="condition">
    </DxMap>
</template>

<script>
import DxMap from 'devextreme-vue/map';

export default {
    components: {
        DxMap
    }
}
</script>

Use conditional rendering instead of this method:

import React from 'react';

import Map from 'devextreme-react/map';

function DxMap(props) {
    if (!props.shouldRender) {
        return null;
    }

    return (
        <Map ... >    
        </Map>
    );
}

class App extends React.Component {
    render() {
        return (
            <DxMap shouldRender="condition" />
        );
    }
}
export default App;

Gets the root UI component element.

Refreshes the UI component after a call of the beginUpdate() method.

The beginUpdate() and endUpdate() methods reduce the number of renders in cases where extra rendering can negatively affect performance.

Sets focus on the UI component.

Gets the instance of a UI component found using its DOM node.

The UI component's container.

The UI component's instance.

getInstance is a static method that the UI component class supports. The following code demonstrates how to get the Map instance found in an element with the myMap ID:

// Modular approach
import Map from "devextreme/ui/map";
...
let element = document.getElementById("myMap");
let instance = Map.getInstance(element) as Map;

// Non-modular approach
let element = document.getElementById("myMap");
let instance = DevExpress.ui.dxMap.getInstance(element);

• 3rd-Party Frameworks Integration API

Gets the UI component's instance. Use it to access other methods of the UI component.

This UI component's instance.

Detaches all event handlers from a single event.

The object for which this method is called.

Detaches a particular event handler from a single event.

The event's name.

The event's handler.

The object for which this method is called.

Subscribes to an event.

The event's name.

The event's handler.

The object for which this method is called.

Use this method to subscribe to one of the events listed in the Events section.

Subscribes to events.

Events with their handlers: { "eventName1": handler1, "eventName2": handler2, ...}

The object for which this method is called.

Use this method to subscribe to several events with one method call. Available events are listed in the Events section.

Gets the value of a single property.

The property's name or full path.

Return Value: any

This property's value.

Updates the value of a single property.

The property's name or full path.

optionValue: any

This property's new value.

Updates the values of several properties.

Options with their new values.

Registers a handler to be executed when a user presses a specific key.

A key.

A handler. Accepts the keydown event as the argument. It is a EventObject or a jQuery.Event when you use jQuery.

The key argument accepts one of the following values:

• "backspace"
• "tab"
• "enter"
• "escape"
• "pageUp"
• "pageDown"
• "end"
• "home"
• "leftArrow"
• "upArrow"
• "rightArrow"
• "downArrow"
• "del"
• "space"
• "F"
• "A"
• "asterisk"
• "minus"

A custom handler for a key cancels the default handler for this key.

Removes a marker from the map.

The Marker object(s) or an index.

Removes a route from the map.

The Route object(s) or an index.

Renders the component again without reloading data. Use the method to update the component's markup and appearance dynamically.

Resets a property to its default value.

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