Create ComboBox Field in C++

Use FormEditor for this task. The examples below retain the original C++ code and API Reference steps.

Create combo box field

Create combobox1 on page 1 and add Australia and New Zealand choices.

1. Create FormEditor.
2. Bind the PDF input with Facade::BindPdf().
3. Create the fields with FormEditor::AddField().
4. Add choice items with FormEditor::AddListItem().
5. Save the resulting PDF with SaveableFacade::Save().

#include <Aspose.PDF.Cpp/Facades/FieldType.h>
#include <Aspose.PDF.Cpp/Facades/FormEditor.h>
#include <system/array.h>
#include <system/string.h>

namespace Facades::Examples::PDF_FormEditor
{
using namespace System;
using namespace Aspose::Pdf;
using namespace Aspose::Pdf::Facades;

void CreateComboBoxField(String inputFile, String outputFile)
{
    auto editor = MakeObject<FormEditor>();

    editor->BindPdf(inputFile);
    editor->AddField(FieldType::ComboBox, u"combobox1", u"Australia", 1, 230, 498, 350, 514);
    editor->AddListItem(u"combobox1", MakeArray<String>({u"Australia", u"Australia"}));
    editor->AddListItem(u"combobox1", MakeArray<String>({u"New Zealand", u"New Zealand"}));
    editor->SaveableFacade::Save(outputFile);
}
} // namespace Facades::Examples::PDF_FormEditor