VB.NET draw lines

To draw a single line on the form, the DrawLine(Pen, Point1,Point2) can be used. With multiple lines you can use the DawLines(Pen, Array_Of_Points) method. To draw lines with different colors, you need to specify each color with Pen argument.

Example: Draw lines on the current form


Public Class Form1
 
    Private Sub Form1_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
       
        'Create point objects
        Dim pt As New Point(50, 50)
        Dim pt1 As New Point(300, 50)
        Dim pt2 As New Point(200, 70)
        Dim pt3 As New Point(50, 170)
        Dim pt4 As New Point(300, 170)
        Dim pt5 As New Point(200, 70)
        'Array of points
        Dim pArra() As Point = {pt2, pt3, pt4, pt5}
        'Draw a line
        e.Graphics.DrawLine(Pens.Orange, pt, pt1)
        'Draw multiple lines
        e.Graphics.DrawLines(Pens.Blue, pArra)
 
    End Sub
End Class

VB example code to draw lines




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