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Resizable

The Resizable widget enables its content to be resizable in the UI.

Included in: dx.mobile.js, dx.web.js, dx.viz-web.js, dx.all.js
Module: ui/resizable
Export: default

The Resizable widget is an element that can be resized by an end user. It displays data located inside the HTML element of the widget. You can specify minimum and maximum size using the minHeight, minWidth, maxHeight and maxWidth options. The handles option enables you to specify which element borders are used as a handle for resizing.

You can create the widget using one of the following approaches.

jQuery
JavaScript
HTML
CSS
$(function() {
    $("#resizable").dxResizable({
        width: 200,
        height: 200,
        minWidth: 30,
        minHeight: 30,
        maxWidth: 500,
        maxHeight: 500 
    });
});
<div id="resizable">
    <div id="content"></div>
</div>
#content {
    height: 100%;
    width: 100%
}
Angular
HTML
CSS
<dx-resizable
    [width]="200"
    [height]="200"
    [minWidth]="30"
    [minHeight]="30"
    [maxWidth]="500"
    [maxHeight]="500">
        <div id="content"></div>
</dx-resizable>
#content {
    height: 100%;
    width: 100%
}
AngularJS
HTML
CSS
<div dx-resizable="{
    width: 200,
    height: 200,
    minWidth: 30,
    minHeight: 30,
    maxWidth: 500,
    maxHeight: 500 
}">
    <div id="content"></div>
</div>
#content {
    height: 100%;
    width: 100%
}
Knockout
HTML
CSS
<div data-bind="dxResizable: {
    width: 200,
    height: 200,
    minWidth: 30,
    minHeight: 30,
    maxWidth: 500,
    maxHeight: 500 
}">
    <div id="content"></div>
</div>
#content {
    height: 100%;
    width: 100%
}
ASP.NET MVC Controls
Razor C#
Razor VB
CSS
@(Html.DevExtreme().Resizable()
    .ID("resizable")
    .Width(200)
    .Height(200)
    .MinWidth(30)
    .MinHeight(30)
    .MaxWidth(500)
    .MaxHeight(500)
    .Content(@<text>
        <div id="content"></div>
    </text>)
)
@Code
    Html.DevExtreme().Resizable() _
        .ID("resizable") _
        .Width(200) _
        .Height(200) _
        .MinWidth(30) _
        .MinHeight(30) _
        .MaxWidth(500) _
        .MaxHeight(500) _
        .Content(Sub()
            @<text>
                <div id="content"></div>
            </text>
        End Sub).Render()
End Code
#content {
    height: 100%;
    width: 100%
}

Note that DevExtreme widgets require linking the jQuery library to your application. The Knockout or AngularJS library is also needed if you use the Knockout or AngularJS approach. For detailed information on linking these libraries to your project, refer to the topics in the Installation section.

See Also

Configuration

An object defining configuration options for the Resizable widget.

Name Description
elementAttr

Specifies the attributes to be attached to the widget's root element.
handles

Specifies which borders of the widget element are used as a handle.
height

Specifies the widget's height.
maxHeight

Specifies the upper height boundary for resizing.
maxWidth

Specifies the upper width boundary for resizing.
minHeight

Specifies the lower height boundary for resizing.
minWidth

Specifies the lower width boundary for resizing.
onDisposing

A handler for the disposing event. Executed when the widget is removed from the DOM using the remove(), empty(), or html() jQuery methods only.
onInitialized

A handler for the initialized event. Executed only once, after the widget is initialized.
onOptionChanged

A handler for the optionChanged event. Executed after an option of the widget is changed.
onResize

A handler for the resize event.
onResizeEnd

A handler for the resizeEnd event.
onResizeStart

A handler for the resizeStart event.
rtlEnabled

Switches the widget to a right-to-left representation.
width

Specifies the widget's width.

Methods

Methods of the DomComponent object.

Name Description
beginUpdate()

Prevents the widget from refreshing until the endUpdate() method is called.
defaultOptions(rule)

Specifies the device-dependent default configuration options for this component.
element()

Gets the root element of the widget.
endUpdate()

Refreshes the widget after a call of the beginUpdate() method.
instance()

Returns this widget's instance. Use it to access other methods of the widget.
off(eventName)

Detaches all event handlers from the specified event.
off(eventName, eventHandler)

Detaches a particular event handler from the specified event.
on(eventName, eventHandler)

Subscribes to a specified event.
on(events)

Subscribes to the specified events.
option()

Gets the widget's options.
option(optionName)

Gets a specific option value.
option(optionName, optionValue)

Assigns a new value to a specific option.
option(options)

Sets one or more options.

Events

This section describes events fired by this widget.

Name Description
disposing

Raised when the widget is removed from the DOM using the remove(), empty(), or html() jQuery methods only.
initialized

Raised only once, after the widget is initialized.
optionChanged

Raised after an option of the widget is changed.
resize

Fires after the widget is resized.
resizeEnd

Fires when the widget has been resized.
resizeStart

Fires when an end user started to resize the widget.

See Also