PdfGraphics.DrawLine(Pen, Single, Single, Single, Single) Method

Draws a line that connects two points with specified coordinates.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v23.2.Drawing.dll

NuGet Package: DevExpress.Pdf.Drawing

Declaration

C#

public void DrawLine(
    Pen pen,
    float x1,
    float y1,
    float x2,
    float y2
)

VB.NET

Public Sub DrawLine(
    pen As Pen,
    x1 As Single,
    y1 As Single,
    x2 As Single,
    y2 As Single
)

Parameters

Name	Type	Description
pen	Pen	A Pen object that specifies the color, width, and style of the line.
x1	Single	A Single object that specifies the x-coordinate of the first point.
y1	Single	A Single object that specifies the y-coordinate of the first point.
x2	Single	A Single object that specifies the x-coordinate of the second point.
y2	Single	A Single object that specifies the y-coordinate of the second point.

Remarks

Use this method to draw a straight line defined by two points. The x1, y1 and x2, y2 parameters specify the coordinates of points in world coordinate system.

To draw a shape on the PDF page, use one of the following methods:

PdfGraphics.AddToPageForeground, PdfGraphics.AddToPageBackground

These methods allow you to draw content on an existing page.

PdfDocumentProcessor.RenderNewPage

Draws content on a new page.

The code sample below draws a line that connects two points with specified coordinates.

C#

using DevExpress.Pdf;
using System.Drawing;
//...

using (PdfDocumentProcessor processor = new PdfDocumentProcessor())
{
    processor.CreateEmptyDocument();
    PdfPage page = processor.AddNewPage(PdfPaperSize.A4);
        using (PdfGraphics graphics = processor.CreateGraphics())
        {
            // Draw a line.
            using (var pen = new Pen(Color.Red, 5))
                graphics.DrawLine(pen, 100, 100, 500, 700);

            // Add graphics content to the document page.
            graphics.AddToPageForeground(page, 72, 72);
        }
    processor.SaveDocument("out2.pdf");
}
Process.Start("out.pdf");

VB.NET

Imports DevExpress.Pdf
Imports System.Drawing
'...

Using processor As New PdfDocumentProcessor()
    processor.CreateEmptyDocument()
    Dim page As PdfPage = processor.AddNewPage(PdfPaperSize.A4)
        Using graphics As PdfGraphics = processor.CreateGraphics()
            ' Draw a line.
            Using pen As New Pen(Color.Red, 5)
                graphics.DrawLine(pen, 100, 100, 500, 700)
            End Using

            ' Add graphics content to the document page.
            graphics.AddToPageForeground(page, 72, 72)
        End Using
    processor.SaveDocument("out2.pdf")
End Using
Process.Start("out.pdf")