Draw Lines and Curves in PDF - VB.NET
PDF SDK sample in VB.NET demonstrating ‘Draw Lines and Curves in PDF’
Program.vb
Imports Bytescout.PDF
''' <summary>
''' This example demonstrates how to draw lines and curves.
''' </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)
Dim canvas = page.Canvas
Dim solidPen = New SolidPen()
Dim dashedPen = New SolidPen()
dashedPen.DashPattern = New DashPattern(New Single() {2, 2})
' Draw dashed lines
canvas.DrawLine(dashedPen, 100, 100, 200, 100)
canvas.DrawLine(dashedPen, 200, 100, 200, 200)
canvas.DrawLine(dashedPen, 200, 200, 100, 200)
' Draw besier curve by the same points
canvas.DrawCurve(solidPen, 100, 100, 200, 100, 200, 200, 100, 200)
' 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
��' - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
' <