Use PDF Documents in Business Objects (CTP)
- 2 minutes to read
Blazor and WinForms XAF applications allow you to display PDF documents in a PDF Viewer property editor. The editor can display PDF documents stored in properties of the following types:
- Byte array
- Types that implement the IFileData interface
Important
The PDF Viewer Property Editor is currently available as a Community Technology Preview (CTP).
Tip
Try out the PDF Viewer in the MainDemo.NET.EFCore demo application installed as part of the XAF package. The default application location is %PUBLIC%\Documents\DevExpress Demos 25.1\Components\XAF\MainDemo.NET.EFCore.
You can add the PDF Viewer to your application as follows:
- Enable the Office Module.
- Assign
PdfViewerPropertyEditor
to a file data property in code or in the Model Editor (MySolution.Blazor.Server\Model.xafml (for Blazor) or MySolution.Win\Model.xafml (for WinForms)).
Assign the PDF Viewer Property Editor to a Property in Code
Decorate a business class property with the EditorAliasAttribute and pass the PdfViewerPropertyEditor
value as the attribute parameter:
using DevExpress.ExpressApp.Editors;
using DevExpress.Persistent.Base;
using DevExpress.Persistent.BaseImpl.EF;
// ...
[EditorAlias(EditorAliases.PdfViewerPropertyEditor)]
public virtual byte[] Data { get; set; }
Assign the PDF Viewer Property Editor to a Property in the Model Editor
- Double-click the corresponding Model.xafml file to start the Model Editor:
- MySolution.Blazor.Server\Model.xafml (for Blazor)
- MySolution.Win\Model.xafml (for WinForms)
- Navigate to the following node: Views | {AppName}.Module.BusinessObjects | {ObjectType} | {ObjectType}_DetailView | Items | {Property Name}.
Set the PropertyEditorType property to one of the following values:
DevExpress.ExpressApp.Office.Blazor.Editors.PdfViewerPropertyEditor
(for Blazor)DevExpress.ExpressApp.Office.Win.PdfViewerPropertyEditor
(for WinForms)