Copy Inner and Outer Field

CopyInnerField method allows you to copy a field in the same file, at the same coordinates, on the specified page. This method requires the field name which you want to copy, the new field name, and the page number at which the field needs to be copied. FormEditor class provides this method. The following code snippet shows you how to copy the field at the same location in the same file.

 // For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void CopyInnerField()
{
    // Define the path to the directory containing the input PDF
    var dataDir = RunExamples.GetDataDir_AsposePdf();

    // Create an instance of FormEditor object
    using (var formEditor = new Aspose.Pdf.Facades.FormEditor())
    {
        // Open the existing PDF document
        using (var document = new Aspose.Pdf.Document(dataDir + "Sample-Form-01.pdf"))
        {
            // Add a new page to the document
            document.Pages.Add();

            // Bind the document to the formEditor
            formEditor.BindPdf(document);

            // Copy the field "Last Name" from the first page to "Last Name 2" on the second page
            formEditor.CopyInnerField("Last Name", "Last Name 2", 2);

            // Save the updated PDF with the copied field
            formEditor.Save(dataDir + "Sample-Form-01-mod.pdf");
        }
    }
}

Copy Outer Field in an Existing PDF File

CopyOuterField method allows you to copy a form field from an external PDF file and then add it to the input PDF file at the same location and the specified page number. This method requires the PDF file from which the field needs to be copied, the field name, and the page number at which the field needs to be copied. This method is provided by FormEditor class.The following code snippet shows you how to copy a field from an external PDF file.

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void CopyOuterField()
{
    // Define the path to the directory containing the input PDF
    var dataDir = RunExamples.GetDataDir_AsposePdf();

    // Create an instance of FormEditor 
    using (var formEditor = new Aspose.Pdf.Facades.FormEditor())
    {
        // Create empty document
        using (var document = new Aspose.Pdf.Document())
        {
            // Add a new page to the document
            document.Pages.Add();

            // Bind the newly created document to the formEditor
            formEditor.BindPdf(document);

            // Copy the outer field "First Name" from the original document to the new document
            formEditor.CopyOuterField(dataDir + "Sample-Form-01.pdf", "First Name", 1);

            // Copy the outer field "Last Name" from the original document to the new document
            formEditor.CopyOuterField(dataDir + "Sample-Form-01.pdf", "Last Name", 1);

            // Save the updated PDF with the copied outer fields
            formEditor.Save(dataDir + "Sample-Form-02-mod.pdf");
        }
    }
}