Imports ComPDFKit.Import Imports ComPDFKit.PDFAnnotation Imports ComPDFKit.PDFAnnotation.Form Imports ComPDFKit.PDFDocument Imports ComPDFKit.PDFDocument.Action Imports ComPDFKit.PDFPage Imports System.IO Module InteractiveFormsTest Private outputPath As String = Path.GetDirectoryName(Path.GetDirectoryName(Path.GetDirectoryName(System.IO.Directory.GetCurrentDirectory()))) & "\Output\VB" Sub Main() Console.WriteLine("Running interactive forms test sample…" & vbCrLf) SDKLicenseHelper.LicenseVerify() If Not Directory.Exists(outputPath) Then Directory.CreateDirectory(outputPath) End If Dim document As CPDFDocument = CPDFDocument.InitWithFilePath("CommonFivePage.pdf") If CreateForms(document) Then Console.WriteLine("Create forms done.") Else Console.WriteLine("Create forms failed.") End If Console.WriteLine("--------------------") Console.WriteLine("Done") Console.WriteLine("--------------------") Console.ReadLine() End Sub ' Create text field. ' Text field: used to input text Private Sub CreateTextField(document As CPDFDocument) Dim page As CPDFPage = document.PageAtIndex(0) Dim textField As CPDFTextWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_TEXTFIELD), CPDFTextWidget) textField.SetRect(New CRect(28, 75, 235, 32)) textField.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) textField.SetWidgetBgRGBColor(New Byte() {240, 255, 240}) End Sub ' Create push button. ' Push button: Click to perform some actions, such as jumping to a page or website. Private Sub CreatePushButton(document As CPDFDocument) Dim page As CPDFPage = document.PageAtIndex(0) Dim pushButton1 As CPDFPushButtonWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_PUSHBUTTON), CPDFPushButtonWidget) pushButton1.SetRect(New CRect(28, 150, 150, 100)) pushButton1.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) pushButton1.SetWidgetBgRGBColor(New Byte() {180, 180, 220}) pushButton1.SetButtonTitle("Go To Page 2") Dim attribute As New CTextAttribute() attribute.FontColor = New Byte() {0, 0, 0} attribute.FontSize = 14 attribute.FontName = "Helvetica" pushButton1.SetTextAttribute(attribute) Dim gotoAction As New CPDFGoToAction() Dim dest As New CPDFDestination() dest.PageIndex = 1 gotoAction.SetDestination(document, dest) pushButton1.SetButtonAction(gotoAction) pushButton1.UpdateFormAp() Dim pushButton2 As CPDFPushButtonWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_PUSHBUTTON), CPDFPushButtonWidget) pushButton2.SetRect(New CRect(168, 150, 290, 100)) pushButton2.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) pushButton2.SetWidgetBgRGBColor(New Byte() {180, 180, 220}) pushButton2.SetButtonTitle("Go To ComPDFKit") Dim attribute2 As New CTextAttribute() attribute2.FontColor = New Byte() {0, 0, 0} attribute2.FontSize = 14 attribute2.FontName = "Helvetica" pushButton2.SetTextAttribute(attribute) Dim uriAction As New CPDFUriAction() uriAction.SetUri("https://www.compdf.com/") pushButton2.SetButtonAction(uriAction) pushButton2.UpdateFormAp() End Sub ' Create ListBox Private Sub CreateListBox(document As CPDFDocument) Dim page As CPDFPage = document.PageAtIndex(0) Dim listbox As CPDFListBoxWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_LISTBOX), CPDFListBoxWidget) listbox.SetRect(New CRect(28, 330, 150, 230)) listbox.AddOptionItem(0, "1", "ComPDFKit1") listbox.AddOptionItem(1, "2", "ComPDFKit2") listbox.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) listbox.SetWidgetBgRGBColor(New Byte() {200, 180, 180}) End Sub ' Create SignatureField ' Provide an area for electronic signatures. Private Sub CreateSignatureField(document As CPDFDocument) Dim page As CPDFPage = document.PageAtIndex(0) Dim signatureField As CPDFSignatureWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_SIGNATUREFIELDS), CPDFSignatureWidget) signatureField.SetRect(New CRect(28, 420, 150, 370)) signatureField.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) signatureField.SetWidgetBgRGBColor(New Byte() {150, 180, 210}) End Sub ' Create CheckBox Private Sub CreateCheckBox(document As CPDFDocument) Dim page As CPDFPage = document.PageAtIndex(0) Dim checkBox1 As CPDFCheckBoxWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_CHECKBOX), CPDFCheckBoxWidget) checkBox1.SetRect(New CRect(28, 470, 48, 450)) checkBox1.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) checkBox1.SetWidgetBgRGBColor(New Byte() {150, 180, 210}) Dim checkBox2 As CPDFCheckBoxWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_CHECKBOX), CPDFCheckBoxWidget) checkBox2.SetRect(New CRect(58, 470, 78, 450)) checkBox2.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) checkBox2.SetWidgetBgRGBColor(New Byte() {150, 180, 210}) Dim checkBox3 As CPDFCheckBoxWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_CHECKBOX), CPDFCheckBoxWidget) checkBox3.SetRect(New CRect(88, 470, 108, 450)) checkBox3.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) checkBox3.SetWidgetBgRGBColor(New Byte() {150, 180, 210}) End Sub ' Create RadioButton Private Sub CreateRadioButton(document As CPDFDocument) Dim page As CPDFPage = document.PageAtIndex(0) Dim radioButton1 As CPDFRadioButtonWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_RADIOBUTTON), CPDFRadioButtonWidget) radioButton1.SetRect(New CRect(28, 500, 48, 480)) radioButton1.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) radioButton1.SetWidgetBgRGBColor(New Byte() {210, 180, 150}) radioButton1.SetWidgetCheckStyle(C_CHECK_STYLE.CK_CIRCLE) Dim radioButton2 As CPDFRadioButtonWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_RADIOBUTTON), CPDFRadioButtonWidget) radioButton2.SetRect(New CRect(58, 500, 78, 480)) radioButton2.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) radioButton2.SetWidgetBgRGBColor(New Byte() {210, 180, 150}) radioButton2.SetWidgetCheckStyle(C_CHECK_STYLE.CK_CIRCLE) Dim radioButton3 As CPDFRadioButtonWidget = TryCast(page.CreateWidget(C_WIDGET_TYPE.WIDGET_RADIOBUTTON), CPDFRadioButtonWidget) radioButton3.SetRect(New CRect(88, 500, 108, 480)) radioButton3.SetWidgetBorderRGBColor(New Byte() {0, 0, 0}) radioButton3.SetWidgetBgRGBColor(New Byte() {210, 180, 150}) radioButton3.SetWidgetCheckStyle(C_CHECK_STYLE.CK_CIRCLE) End Sub ' Generate various signatures. Private Function CreateForms(document As CPDFDocument) As Boolean CreateTextField(document) CreatePushButton(document) CreateListBox(document) CreateSignatureField(document) CreateCheckBox(document) CreateRadioButton(document) ' Save to the specified path so you can observe the effect. Dim path As String = outputPath & "\CreateFormsTest.pdf" If Not document.WriteToFilePath(path) Then Return False End If Console.WriteLine("Browse the changed file in " & path) Return True End Function End Module