Draw with transparency in pdf with pdf sdk is simple to apply in VB.NET if you use these source codes below. ByteScout Premium Suite can draw with transparency in pdf with pdf sdk. It can be applied from VB.NET. ByteScout Premium Suite is the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.
Want to quickly learn? This fast application programming interfaces of ByteScout Premium Suite for VB.NET plus the guidelines and the code below will help you quickly learn how to draw with transparency in pdf with pdf sdk. IF you want to implement the functionality, just copy and paste this code for VB.NET below into your code editor with your app, compile and run your application. Enjoy writing a code with ready-to-use sample VB.NET codes.
Trial version of ByteScout Premium Suite is available for free. Source code samples are included to help you with your VB.NET app.
Imports Bytescout.PDF ''' <summary> ''' This example demonstrates how to draw transparent objects. ''' </summary> Class Program Shared Sub Main() ' Create new document Dim pdfDocument = New Document() pdfDocument.RegistrationName = "demo" pdfDocument.RegistrationKey = "demo" ' Add page Dim page = New Page(PaperFormat.A4) pdfDocument.Pages.Add(page) Dim canvas = page.Canvas ' Prepare pens and brushes Dim borderPen = New SolidPen(New ColorRGB(0, 0, 0), 2.0F) Dim brush1 = New SolidBrush(New ColorRGB(255, 0, 0)) Dim brush2 = New SolidBrush(New ColorRGB(0, 0, 255)) borderPen.Opacity = 50 brush1.Opacity = 30 brush2.Opacity = 60 ' Draw normal rectangles canvas.DrawRectangle(brush1, 100, 100, 100, 100) canvas.DrawRectangle(borderPen, brush2, 150, 150, 100, 100) borderPen.Opacity = 80 brush1.Opacity = 60 brush2.Opacity = 30 ' Draw rounded rectangles canvas.DrawRoundedRectangle(brush1, 220, 100, 100, 100, 10) canvas.DrawRoundedRectangle(borderPen, brush2, 270, 150, 100, 100, 10) ' 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