Add Text Annotation in PDF - VB.NET
PDF SDK sample in VB.NET demonstrating ‘Add Text Annotation in PDF’
Program.vb
Imports Bytescout.PDF
''' <summary>
''' This example demonstrates how to add a text annotation.
''' </summary>
Class Program
Shared Sub Main()
' Create new document
Dim pdfDocument = New Document()
pdfDocument.RegistrationName = "demo"
pdfDocument.RegistrationKey = "demo"
' If you wish to load an existing document uncomment the line below And comment the Add page section instead
' pdfDocument.Load(".\existing_document.pdf")
' Add page
Dim page = New Page(PaperFormat.A4)
pdfDocument.Pages.Add(page)
' Add collapsed annotation (shown as a tooltip when mouse is over the icon)
Dim collapsedAnnotation = New TextAnnotation(20, 20)
collapsedAnnotation.Color = New ColorRGB(255, 255, 0)
collapsedAnnotation.Icon = TextAnnotationIcon.Comment
collapsedAnnotation.Author = "Mr. Important"
collapsedAnnotation.Contents = "The quick brown fox jumps over the lazy dog."
page.Annotations.Add(collapsedAnnotation)
' Add expanded annotation
Dim expandedAnnotation = New TextAnnotation(20, 50)
expandedAnnotation.Color = New ColorRGB(255, 0, 0)
expandedAnnotation.Icon = TextAnnotationIcon.Note
expandedAnnotation.Open = True
expandedAnnotation.Author = "John Doe"
expandedAnnotation.Contents = "The quick brown fox jumps over the lazy dog."
page.Annotations.Add(expandedAnnotation)
' Save document to file
pdfDocument.Save("result.pdf")
' Cleanup
pdfDocument.Dispose()
' Open document in default PDF viewer app
Process.Start("result.pdf")
End Sub
End Class
Resources.Designer.vb
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