Free Trial
Web API version
Licensing
Request A Quote
HAVE QUESTIONS OR NEED HELP? SUBMIT THE SUPPORT REQUEST FORM or write email to SUPPORT@BYTESCOUT.COM
Draw Lines and Curves in PDF | VB.NET
Program.vb:
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