Draw Tiling Patterns in PDF - VB.NET
PDF SDK sample in VB.NET demonstrating ‘Draw Tiling Patterns in PDF’
Program.vb
Imports Bytescout.PDF
''' <summary>
''' This example demonstrates how to use tiling patterns.
''' </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 blueColor = New ColorRGB(0, 0, 255)
        Dim grayColor = New ColorRGB(128, 128, 128)
        ' Create tiling brush and paint on it 
        Dim tilingBrush1 = New UncoloredTilingBrush(10, 12)
        Dim brushCanvas = tilingBrush1.Canvas
        brushCanvas.DrawCircle(New SolidPen(blueColor), 0, 6, 6)
        tilingBrush1.Color = blueColor
        ' Create second tiling brush and paint on it using the first brush
        Dim tilingBrush2 = New ColoredTilingBrush(70, 50)
        brushCanvas = tilingBrush2.Canvas
        brushCanvas.DrawEllipse(New SolidPen(grayColor), tilingBrush1, 0, 0, 60, 20)
        ' Draw rectangle and fill it with combined tiling brush
        page.Canvas.DrawRectangle(New SolidPen(), tilingBrush2, 100, 100, 400, 400)
        ' 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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