''' <summary>
''' Fill recctangle and ellipse use tiling pattern.
''' </summary>
''' <param name="pdfFilename">The PDF filename.</param>
Public Shared Sub TilingPatternExample(pdfFilename As String)
    ' create new PDF document
    Using document As New Vintasoft.Imaging.Pdf.PdfDocument(pdfFilename, Vintasoft.Imaging.Pdf.PdfFormat.Pdf_16)
        ' add empty page (A4 size)
        Dim page As Vintasoft.Imaging.Pdf.Tree.PdfPage = document.Pages.Add(Vintasoft.Imaging.PaperSizeKind.A4)

        ' create Tiling Pattern
        Dim pattern As New Vintasoft.Imaging.Pdf.Tree.Patterns.TilingPattern(page.Document, 10, 15)
        Using g As Vintasoft.Imaging.Pdf.Drawing.PdfGraphics = pattern.GetGraphics()
            Dim pen As New Vintasoft.Imaging.Pdf.Drawing.PdfPen(System.Drawing.Color.Blue)
            Dim brush As New Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.LightGreen)
            g.FillAndDrawEllipse(pen, brush, pattern.BoundingBox)
        End Using

        ' get PdfGraphics for PDF page
        Using g As Vintasoft.Imaging.Pdf.Drawing.PdfGraphics = page.GetGraphics()
            ' create red pen
            Dim pen As New Vintasoft.Imaging.Pdf.Drawing.PdfPen(System.Drawing.Color.Red)

            ' create brush to fill use Tiling Pattern
            Dim brush As New Vintasoft.Imaging.Pdf.Drawing.PdfBrush(pattern)

            ' fill rectangle use Tiling Pattern
            g.FillAndDrawRectangle(pen, brush, New System.Drawing.RectangleF(50, 100, 100, 200))
            ' fill ellipse use Tiling Pattern
            g.FillAndDrawEllipse(pen, brush, New System.Drawing.RectangleF(100, 200, 200, 300))
        End Using

        ' save changes in PDF document
        document.SaveChanges()
    End Using
End Sub

/// <summary>
/// Fill recctangle and ellipse use tiling pattern.
/// </summary>
/// <param name="pdfFilename">The PDF filename.</param>
public static void TilingPatternExample(string pdfFilename)
{
    // create new PDF document
    using (Vintasoft.Imaging.Pdf.PdfDocument document =
        new Vintasoft.Imaging.Pdf.PdfDocument(pdfFilename, Vintasoft.Imaging.Pdf.PdfFormat.Pdf_16))
    {
        // add empty page (A4 size)
        Vintasoft.Imaging.Pdf.Tree.PdfPage page = document.Pages.Add(
            Vintasoft.Imaging.PaperSizeKind.A4);

        // create Tiling Pattern
        Vintasoft.Imaging.Pdf.Tree.Patterns.TilingPattern pattern =
            new Vintasoft.Imaging.Pdf.Tree.Patterns.TilingPattern(page.Document, 10, 15);
        using (Vintasoft.Imaging.Pdf.Drawing.PdfGraphics g = pattern.GetGraphics())
        {
            Vintasoft.Imaging.Pdf.Drawing.PdfPen pen =
                new Vintasoft.Imaging.Pdf.Drawing.PdfPen(System.Drawing.Color.Blue);
            Vintasoft.Imaging.Pdf.Drawing.PdfBrush brush =
                new Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.LightGreen);
            g.FillAndDrawEllipse(pen, brush, pattern.BoundingBox);
        }

        // get PdfGraphics for PDF page
        using (Vintasoft.Imaging.Pdf.Drawing.PdfGraphics g = page.GetGraphics())
        {
            // create red pen
            Vintasoft.Imaging.Pdf.Drawing.PdfPen pen =
                new Vintasoft.Imaging.Pdf.Drawing.PdfPen(System.Drawing.Color.Red);

            // create brush to fill use Tiling Pattern
            Vintasoft.Imaging.Pdf.Drawing.PdfBrush brush =
                new Vintasoft.Imaging.Pdf.Drawing.PdfBrush(pattern);

            // fill rectangle use Tiling Pattern
            g.FillAndDrawRectangle(pen, brush, new System.Drawing.RectangleF(50, 100, 100, 200));
            // fill ellipse use Tiling Pattern
            g.FillAndDrawEllipse(pen, brush, new System.Drawing.RectangleF(100, 200, 200, 300));
        }

        // save changes in PDF document
        document.SaveChanges();
    }
}