' 导入命名空间
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class DrawLineUsingPointFStructure
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

public class Form1
  Inherits System.Windows.Forms.Form

  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
        Dim blackPen As New Pen(Color.Black, 4)
        ' 
        ' 
        Dim ptf1 As New PointF(20.0F, 20.0F)
        Dim ptf2 As New PointF(200.0F, 200.0F)
        e.Graphics.DrawLine(blackPen, ptf1, ptf2)

  End Sub

  Public Sub New()
   
    MyBase.New()
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(292, 273)
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen

  End Sub

End Class