Use PointF : Point PointF « 2D Graphics « VB.Net Tutorial






Use PointF
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class UsePointF
   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 pt As New PointF(50.0F, 50.0F)

        Dim newPoint As PointF = PointF.Empty

        newPoint.X = 100.0F
        newPoint.Y = 200.0F

        Dim g As Graphics = Graphics.FromHwnd(Me.Handle)

        Dim pn As New Pen(Color.Blue, 4)


        g.DrawLine(pn, pt, newPoint)

        pn.Dispose()
        g.Dispose()
  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








17.17.Point PointF
17.17.1.Use PointUse Point
17.17.2.Use PointFUse PointF
17.17.3.PointF and PointDouble
17.17.4.Draw line using Point structure 1Draw line using Point structure 1
17.17.5.Draw line using PointF structure 1Draw line using PointF structure 1
17.17.6.Subtract point and size
17.17.7.Add first point and size to another point
17.17.8.Point.Truncate
17.17.9.Point.Round
17.17.10.Point.Ceiling