Forms and Annotations

Forms and Annotations

This group contains samples that show how to create PDF annotations and controls and how to fill PDF forms in C# and VB.NET using Docotic.Pdf library.

Don't miss all other samples.

Text annotations

This sample shows how to add text annotations (sticky notes) to your PDF document using PdfPage.AddTextAnnotation(..) method.

Add 3D annotation to PDF document

This sample shows how to create 3D PDF document in C# and VB.NET.

Add rich media annotation to PDF document

This sample shows how to create rich media annotations in PDF documents.

Add button with image to PDF document

This sample shows how to create buttons with images in PDF documents.

Add buttons to PDF document

This sample shows how to use buttons in your PDF document.

Add checkboxes to PDF document

This sample shows how to use checkboxes in your PDF document.

Add comboboxes to PDF document

This sample shows how to use combo boxes in your PDF document.

Export FDF data from PDF document

This sample shows how to export filled form data from PDF document into a Forms Data Format (FDF) file.

Fill PDF forms in C# and VB.NET

This sample shows how to fill forms in existing PDF documents.

Find PDF control by name

This sample shows how to access an existing PDF control with given name using PdfDocument.GetControl method.

Flatten form fields

This sample shows how to flatten form fields in a PDF document.

Import FDF data to PDF document

This sample shows how to populate a PDF form with data from a Forms Data Format (FDF) file.

Add list boxes to PDF document

This sample shows how to use list boxes in your PDF document.

Numeric text fields

This sample shows how to create text fields that allow only digits to be input.

Add radio buttons to PDF document

This sample shows how to use radio buttons in your PDF document.

Read combo box items

This sample shows how to read items of combo boxes in a PDF document.

Remove widgets

This sample shows how to remove widgets from your PDF documents.

Alignment in text fields

This sample shows how to align text in PDF document text fields.

Add text fields to PDF document

This sample shows how to add text fields to your PDF document using PdfPage.AddTextBox(..) method.

Text markup annotations

This sample shows how to add text markup annotations (highlight, strikeout, underline) to your PDF document.