PdfListBoxFormFieldFacade Class
Contains a set of properties used to manage list box form fields without access to their inner structure.
Namespace: DevExpress.Pdf
Assembly: DevExpress.Pdf.v24.2.Core.dll
NuGet Package: DevExpress.Pdf.Core
#Declaration
#Related API Members
The following members return PdfListBoxFormFieldFacade objects:
#Remarks
#Change Annotation Parameters
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 };}
#Change Widget Annotation Options
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);
}