PdfComboBoxFormFieldFacade Class

Contains a set of properties used to manage combo box form fields without access to their inner structure.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v25.1.Core.dll

NuGet Package: DevExpress.Pdf.Core

Declaration

C#

public class PdfComboBoxFormFieldFacade :
    PdfChoiceFormFieldFacade<PdfComboBoxWidgetFacade>

VB.NET

Public Class PdfComboBoxFormFieldFacade
    Inherits PdfChoiceFormFieldFacade(Of PdfComboBoxWidgetFacade)

Related API Members

The following members return PdfComboBoxFormFieldFacade objects:

• PdfAcroFormFacade.GetComboBoxFormField(String)

Remarks

Change Annotation Parameters

The code sample below specifies the combo box value, disables user input, and sorts list items alphabetically:

C#

using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor())
{
    pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf");

    PdfDocumentFacade documentFacade = pdfDocumentProcessor.DocumentFacade;
    PdfAcroFormFacade acroForm = documentFacade.AcroForm;

    //Set combo box field value:
    PdfComboBoxFormFieldFacade nationalityField = acroForm.GetComboBoxFormField("Nationality");
    nationalityField.Value = nationalityField.Items[68].Value;

    //Disable user input:
    nationalityField.Editable = false;

    //Sort list items alphabetically:
    nationalityField.Sorted = true;
}

VB.NET

Using pdfDocumentProcessor As New PdfDocumentProcessor()
  pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf")

  Dim documentFacade As PdfDocumentFacade = pdfDocumentProcessor.DocumentFacade
  Dim acroForm As PdfAcroFormFacade = documentFacade.AcroForm

  'Set combo box field value:
  Dim nationalityField As PdfComboBoxFormFieldFacade = acroForm.GetComboBoxFormField("Nationality")
  nationalityField.Value = nationalityField.Items(68).Value

  'Disable user input:
  nationalityField.Editable = False

  'Sort list items alphabetically:
  nationalityField.Sorted = True
End Using

Change Widget Annotation Options

Use the Widgets property to get the form field widget settings. The PdfComboBoxWidgetFacade class properties allow you to change the form field’s appearance.

C#

using (PdfDocumentProcessor pdfDocumentProcessor = new PdfDocumentProcessor())
{
    pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf");

    PdfDocumentFacade documentFacade = pdfDocumentProcessor.DocumentFacade;
    PdfAcroFormFacade acroForm = documentFacade.AcroForm;

    //Set combo box field value:
    PdfComboBoxFormFieldFacade nationalityField = acroForm.GetComboBoxFormField("Nationality");

    PdfComboBoxWidgetFacade comboBoxWidget = nationalityField.Widgets[0];
    comboBoxWidget.BorderWidth = 1;
    comboBoxWidget.BackgroundColor = new PdfRGBColor(0.81, 0.81, 0.81);
    comboBoxWidget.BorderColor = new PdfRGBColor(0.47, 0.44, 0.67);
    comboBoxWidget.FontColor = new PdfRGBColor(0.34, 0.25, 0.36);
}

VB.NET

Using pdfDocumentProcessor As New PdfDocumentProcessor()
  pdfDocumentProcessor.LoadDocument("Documents//FormDemo.pdf")

  Dim documentFacade As PdfDocumentFacade = pdfDocumentProcessor.DocumentFacade
  Dim acroForm As PdfAcroFormFacade = documentFacade.AcroForm

  'Set combo box field value:
  Dim nationalityField As PdfComboBoxFormFieldFacade = acroForm.GetComboBoxFormField("Nationality")

  Dim comboBoxWidget As PdfComboBoxWidgetFacade = nationalityField.Widgets(0)
  comboBoxWidget.BorderWidth = 1
  comboBoxWidget.BackgroundColor = New PdfRGBColor(0.81, 0.81, 0.81)
  comboBoxWidget.BorderColor = New PdfRGBColor(0.47, 0.44, 0.67)
  comboBoxWidget.FontColor = New PdfRGBColor(0.34, 0.25, 0.36)
End Using

Implements

IEnumerable<PdfWidgetFacade>

IEnumerable

Inheritance

Object

PdfFormFieldFacade

PdfFormFieldFacade<PdfComboBoxWidgetFacade, PdfChoiceFormField>

PdfChoiceFormFieldFacade<PdfComboBoxWidgetFacade>

PdfComboBoxFormFieldFacade