officefileapi-devexpress-dot-pdf-961741b8.md
Contains a set of properties used to manage list box form fields without access to their inner structure.
Namespace : DevExpress.Pdf
Assembly : DevExpress.Pdf.v25.2.Core.dll
NuGet Package : DevExpress.Pdf.Core
public class PdfListBoxFormFieldFacade :
PdfChoiceFormFieldFacade<PdfListBoxWidgetFacade>
Public Class PdfListBoxFormFieldFacade
Inherits PdfChoiceFormFieldFacade(Of PdfListBoxWidgetFacade)
The following members return PdfListBoxFormFieldFacade objects:
The code sample below specifies the list box value and disables multiple selection:
using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor())
{
pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf");
PdfDocumentFacade documentFacade = pdfDocumentProcessor.DocumentFacade;
PdfAcroFormFacade acroForm = documentFacade.AcroForm;
PdfListBoxFormFieldFacade listField = acroForm.GetListBoxFormField("List");
listField.MultiSelect = false;
listField.Sorted = false;
listField.Values = new List<string>() { listField.Items[2].Value };}
Using pdfDocumentProcessor As New PdfDocumentProcessor()
pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf")
Dim documentFacade As PdfDocumentFacade = pdfDocumentProcessor.DocumentFacade
Dim acroForm As PdfAcroFormFacade = documentFacade.AcroForm
Dim listField As PdfListBoxFormFieldFacade = acroForm.GetListBoxFormField("List")
listField.MultiSelect = False
listField.Sorted = False
listField.Values = New List(Of String)() From {listField.Items(2).Value}
End Using
A widget annotation contains a form field’s appearance and display properties. One field can be related to multiple widget annotations. Use the Widgets property to get the form field widget settings.
The code sample below changes the list box appearance:
using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor())
{
pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf");
PdfDocumentFacade documentFacade = pdfDocumentProcessor.DocumentFacade;
PdfAcroFormFacade acroForm = documentFacade.AcroForm;
PdfListBoxFormFieldFacade listField = acroForm.GetListBoxFormField("List");
PdfListBoxWidgetFacade listBoxWidget = listField.Widgets[0];
listBoxWidget.BorderWidth = 1;
listBoxWidget.BackgroundColor = new PdfRGBColor(0.81, 0.81, 0.81);
listBoxWidget.BorderColor = new PdfRGBColor(0.47, 0.44, 0.67);
listBoxWidget.FontColor = new PdfRGBColor(0.34, 0.25, 0.36);
}
Using pdfDocumentProcessor As New PdfDocumentProcessor()
pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf")
Dim documentFacade As PdfDocumentFacade = pdfDocumentProcessor.DocumentFacade
Dim acroForm As PdfAcroFormFacade = documentFacade.AcroForm
Dim listField As PdfListBoxFormFieldFacade = acroForm.GetListBoxFormField("List")
Dim listBoxWidget As PdfListBoxWidgetFacade = listField.Widgets(0)
listBoxWidget.BorderWidth = 1
listBoxWidget.BackgroundColor = New PdfRGBColor(0.81, 0.81, 0.81)
listBoxWidget.BorderColor = New PdfRGBColor(0.47, 0.44, 0.67)
listBoxWidget.FontColor = New PdfRGBColor(0.34, 0.25, 0.36)
End Using
Object PdfFormFieldFacade PdfFormFieldFacade<PdfListBoxWidgetFacade, PdfChoiceFormField> PdfChoiceFormFieldFacade<PdfListBoxWidgetFacade> PdfListBoxFormFieldFacade
See Also