ตัวอย่าง ซอร์สโค้ด Silverlight Shows a classic B?zier curve. ภาษา VB

	Shows a classic B?zier curve.
	Author : Visual Essentials Version : Silverlight 2

Bézier Curves
Bézier curves connect two line segments using a complex mathematical
formula that incorporates two control points that determine how the curve
is shaped. Bézier curves are an ingredient in virtually every vector drawing
application ever created because they’re remarkably flexible. Using
nothing more than start point, end point, and two control points, you can
create a surprisingly wide variety of smooth curves (including loops).

Shows a classic Bézier curve. Two small circles indicate the
control points, and a dashed line connects each control point to the end of
the line it affects the most.

ทดสอบการทำงานของ VB39TestPage.html

>>> ดาวน์โหลด VB39.xap

Source Code for Page.xaml (initial UI control)

ซอร์สโค้ด ของ Page.xaml (initial UI control)

<UserControl x:Class="VB39.Page"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    d:DesignHeight="300" d:DesignWidth="400">

    <Grid x:Name="LayoutRoot" Background="White">
        <Canvas>
            <Path Stroke="Blue" StrokeThickness="5" Canvas.Top="20">
                <Path.Data>
                    <PathGeometry>
                        <PathFigure StartPoint="10,10">
                            <BezierSegment Point1="130,30" Point2="40,140"
Point3="150,150"></BezierSegment>
                        </PathFigure>
                    </PathGeometry>
                </Path.Data>
            </Path>
            <Path Stroke="Green" StrokeThickness="2" StrokeDashArray="5 2" Canvas.Top="20">
                <Path.Data>
                    <GeometryGroup>
                        <LineGeometry StartPoint="10,10" EndPoint="130,30"></LineGeometry>
                        <LineGeometry StartPoint="40,140" EndPoint="150,150"></LineGeometry>
                    </GeometryGroup>
                </Path.Data>
            </Path>
            <Path Fill="Red" Stroke="Red" StrokeThickness="8" Canvas.Top="20">
                <Path.Data>
                    <GeometryGroup>
                        <EllipseGeometry Center="130,30"></EllipseGeometry>
                        <EllipseGeometry Center="40,140"></EllipseGeometry>
                    </GeometryGroup>
                </Path.Data>
            </Path>
        </Canvas>
    </Grid>
</UserControl>

ซอร์สโค้ด ของ Page.xaml.vb (code-behind class)

Partial Public Class Page
    Inherits UserControl

    Public Sub New()
        InitializeComponent()
    End Sub

End Class

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