Graphics.DrawLine Method (Pen, Point, Point)


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Draws a line connecting two Point structures.

Namespace:   System.Drawing
Assembly:  System.Drawing (in System.Drawing.dll)

Public Sub DrawLine (
	pen As Pen,
	pt1 As Point,
	pt2 As Point


Type: System.Drawing.Pen

Pen that determines the color, width, and style of the line.

Type: System.Drawing.Point

Point structure that represents the first point to connect.

Type: System.Drawing.Point

Point structure that represents the second point to connect.

Exception Condition

pen is null.

The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following actions:

  • Creates a black pen.

  • Creates points for the endpoints of the line.

  • Draws the line to the screen.

Public Sub DrawLinePoint(ByVal e As PaintEventArgs)

    ' Create pen.
    Dim blackPen As New Pen(Color.Black, 3)

    ' Create points that define line.
    Dim point1 As New Point(100, 100)
    Dim point2 As New Point(500, 100)

    ' Draw line to screen.
    e.Graphics.DrawLine(blackPen, point1, point2)
End Sub

.NET Framework
Available since 1.1
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