Get, create, or edit PDF interactive form actions in C# and VB.NET

using System;
using SautinSoft.Pdf;
using System.IO;

class Program
{
	static void Main()
	{
		// This property is necessary only for licensed version.
		//SautinSoft.Pdf.Serial = "XXXXXXXXXXX";

		using (var document = PdfDocument.Load("Form.pdf"))
		{
			// Update the action and label of the 'ResetButton' field so that only the 'Notes' field is reset.
			var resetButtonField = (PdfButtonField)document.Form.Fields["ResetButton"];
			var resetFormAction = (PdfResetFormAction)resetButtonField.Actions[0];

			resetFormAction.SelectedFields.Excluded = false;
			resetFormAction.SelectedFields.Add("Notes");
			resetButtonField.Appearance.Label = "Reset Notes";

			var bounds = resetButtonField.Bounds;

			// Add an 'ImportButton' field with a label and icon that imports field values from the FDF (Forms Data Format) file.
			var importButtonField = document.Form.Fields.AddButton(document.Pages[0], bounds.Left, bounds.Bottom - 80, 150, 60);
			importButtonField.Name = "ImportButton";
			importButtonField.Actions.AddImportFormData("FormData.fdf");

			var appearance = importButtonField.Appearance;
			appearance.LabelPlacement = PdfTextPlacement.TextAboveIcon;
			appearance.Label = "Import Data";

			var icon = new PdfForm(document, new PdfSize(128, 128));
			icon.Content.BeginEdit();
			icon.Content.DrawImage(PdfImage.Load("import.png"), new PdfPoint(0, 0), new PdfSize(128, 128));
			icon.Content.EndEdit();
			appearance.Icon = icon;

			bounds = importButtonField.Bounds;

			// Add a 'SubmitButton' field with an icon that submits all field values to the URL in XFDF (XML Forms Data Format) format.
			var submitButtonField = document.Form.Fields.AddButton(document.Pages[0], bounds.Left, bounds.Bottom - 60, 150, 40);
			submitButtonField.Name = "SubmitButton";

			var submitFormAction = submitButtonField.Actions.AddSubmitForm("https://www.sautinsoft.com/");
			submitFormAction.ExportFormat = PdfFormDataFormat.XFDF;
			submitFormAction.SelectedFields.All = true;

			appearance = submitButtonField.Appearance;
			appearance.LabelPlacement = PdfTextPlacement.IconOnly;

			icon = new PdfForm(document, new PdfSize(128, 128));
			icon.Content.BeginEdit();
			icon.Content.DrawImage(PdfImage.Load("submit.png"), new PdfPoint(0, 0), new PdfSize(128, 128));
			icon.Content.EndEdit();
			appearance.Icon = icon;

			document.Save("Form Actions.pdf");
		}
	}
}