PopupImageEdit Class

An editor that displays an image within a dropdown window.

Namespace: DevExpress.Xpf.Editors

Assembly: DevExpress.Xpf.Core.v20.2.dll

Declaration

public class PopupImageEdit :
    PopupBaseEdit,
    IImageEdit,
    IInputElement
Public Class PopupImageEdit
    Inherits PopupBaseEdit
    Implements IImageEdit,
               IInputElement

Remarks

The PopupImageEdit control is an editor that displays an image within a dropdown window.

PopupImageEdit

TIP

The PopupImageEdit class inherits its features from the PopupBaseEdit class.

Refer to the PopupBaseEdit class description for information on derived features and API.

Create an PopupImageEdit

<Window ...
    xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors">

<!-- Specify value using the PopupImageEdit.Source property -->
<dxe:PopupImageEdit Source="../Images/Persons/m02.jpg" ShowMenuMode="Hover"/>

<!-- Specify value using the BaseEdit.EditValue property. 
Userpic is a data context field that stores values of Byte[] type. -->
<dxe:PopupImageEdit EditValue="{Binding UserPic}" />

Editor Value

Use the Source property to specify a path to the editor's image. Note, that end users can load their own images when the image menu is available.

You can use the EditValue property to get or set the displayed image as an array of bytes.

Edit an Image

  • Built-in Menu - end users can use the built-in menu to cut, copy, paste, delete, load, or save an image.
  • Easy Image Loading - if the PopupImageEdit.ShowLoadDialogOnClickMode property is set to Always or Empty, end users can click within an image editor to open the Open dialog and load a new image.

Support for Various Formats

The PopupImageEdit control supports the following image formats.

  • Bitmap
  • JPEG
  • GIF
  • PNG

Optional Image Menu

Use the PopupImageEdit.ShowMenu and PopupImageEdit.ShowMenuMode properties to control the availability of the image menu.

Use the PopupImageEdit.MenuTemplate and ImageEdit.MenuContainerTemplate properties to implement a custom menu appearance.

Various Stretch Modes

To specify how the image should be stretched to fill the available space, use the PopupImageEdit.Stretch property. The following stretch modes are available.

  • None
  • Fill
  • Uniform
  • Uniform to fill

Webcam Support

Image menu displays the Take Snapshot button. Clicking this button allows end users to take a picture using a web camera.

Autosizing Image Popup

If the AutoSizePopup property is set to true, the image popup is resized to fit the image size.

See Also