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    ActivationAction Enumeration
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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

BarCodeEdit Class

Allows you to display various barcodes.

Namespace:DevExpress.Xpf.Editors
Assembly:DevExpress.Xpf.Core.v19.2.dll

Expanded Syntax

Expanded Remarks

The BarCodeEdit control is used to display different kinds of barcodes.

Tip

The BarCodeEdit class inherits its features from the BaseEdit class.

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

Create a BarCodeEdit

Editor Value

To specify the editor's value, use the BaseEdit.EditValue or BinaryData property.

Use the BinaryData property to code a byte array into the PDF417 or ECC200 bar code (when their CompactionMode is set to Binary).

To respond to changing the editor's value, handle the BaseEdit.EditValueChanged event.

Barcode Types

The BarCodeEdit control can display 27 barcode types including the widely-used QR, UPC, and Intelligent mail.

To display the barcode of a specific type, set the StyleSettings property value to a corresponding *StyleSettings object. Each StyleSettings object contains properties that allow you to configure a specific barcode type.

The following example demonstrates the configuration of a barcode editor that displays a QR Code.

Error Correction

QR and PDF417 barcodes have built-in support for error correction.

Barcode Readability

The Module property allows you to customize the width of the narrowest bar or space. If the Module property is set to too small a value, a barcode output may become unreadable by the appropriate barcode scanner.

To better control the Module property value when resizing a barcode, set the AutoModule property to true.

Barcode Text

The barcode editor can display a text specified by the EditValue property. For some barcode types it's required, for other types it should be hidden. Set the ShowText property to true to display code text.

Use the HorizontalTextAlignment and VerticalTextAlignment properties to align the displayed text.

Example

This example demonstrates how to use BarCodeEdit to display a QR code based on a custom value.

Expanded Inheritance Hierarchy

System.Object
    System.Windows.Threading.DispatcherObject
       System.Windows.DependencyObject
          System.Windows.Media.Visual
             System.Windows.UIElement
                System.Windows.FrameworkElement
                   System.Windows.Controls.Control
                      BaseEdit
                         BarCodeEdit

Expanded See Also

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