Private Sub DrawBezierPoint(ByVal e As PaintEventArgs)

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

    ' Create points for curve.
    Dim start As New Point(100, 100)
    Dim control1 As New Point(200, 10)
    Dim control2 As New Point(350, 50)
    Dim [end] As New Point(500, 100)

    ' Draw arc to screen.
    e.Graphics.DrawBezier(blackPen, start, control1, control2, [end])
End Sub

Private Sub DrawBezierPointF(ByVal e As PaintEventArgs)

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

    ' Create points for curve.
    Dim start As New PointF(100.0F, 100.0F)
    Dim control1 As New PointF(200.0F, 10.0F)
    Dim control2 As New PointF(350.0F, 50.0F)
    Dim [end] As New PointF(500.0F, 100.0F)

    ' Draw arc to screen.
    e.Graphics.DrawBezier(blackPen, start, control1, control2, [end])
End Sub

' Begin Example03.
Private Sub DrawBezierFloat(ByVal e As PaintEventArgs)

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

    ' Create coordinates of points for curve.
    Dim startX As Single = 100.0F
    Dim startY As Single = 100.0F
    Dim controlX1 As Single = 200.0F
    Dim controlY1 As Single = 10.0F
    Dim controlX2 As Single = 350.0F
    Dim controlY2 As Single = 50.0F
    Dim endX As Single = 500.0F
    Dim endY As Single = 100.0F

    ' Draw arc to screen.
    e.Graphics.DrawBezier(blackPen, startX, startY, controlX1, _
    controlY1, controlX2, controlY2, endX, endY)
End Sub

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

Public Class MainClass
    
    Shared Sub Main(ByVal args As String())
        Dim myform As Form = New Form1()
        Application.Run(myform)
    End Sub
End Class


Public Class Form1
    Inherits System.Windows.Forms.Form
    Private Sub Form1_Paint(ByVal sender As Object, _
     ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
        ' Define the Bezier curve's control points.
        Dim pts() As Point = { _
            New Point(100, 100), _
            New Point(20, 10), _
            New Point(50, 200), _
            New Point(200, 150) _
        }

        ' Connect the points with dashed lines.
        Dim dashed_pen As New Pen(Color.Black, 0)
        dashed_pen.DashStyle = Drawing2D.DashStyle.Dash
        For i As Integer = 0 To 2
            e.Graphics.DrawLine(dashed_pen, pts(i), pts(i + 1))
        Next i

        ' Draw the Bezier curve.
        e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.HighQuality
        Dim bez_pen As New Pen(Color.Black, 3)
        e.Graphics.DrawBezier(bez_pen, pts(0), pts(1), pts(2), pts(3))
    End Sub
End Class