Animate BezierCurve : Animation « Windows Presentation Foundation « VB.Net

1. VB.Net
2. Windows Presentation Foundation
3. Animation

Animate BezierCurve

      

<Window x:Class="AnimateBezierCurve"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="Bezier Curve" Height="300" Width="300">
  <Viewbox Stretch="Fill">
    <Border Margin="5" BorderBrush="Black" BorderThickness="1"
      HorizontalAlignment="Left">
      <Canvas x:Name="canvas1" Width="300" Height="270">
        <Path Stroke="Black" StrokeThickness="5">
          <Path.Data>
            <PathGeometry>
              <PathFigure StartPoint="20,20">
                <BezierSegment x:Name="bezierSegment"
                  Point1="150,50" Point2="60,160" Point3="250,230" />
              </PathFigure>
            </PathGeometry>
          </Path.Data>
        </Path>
        <Path x:Name="path1" Fill="Red" Stroke="Red">
          <Path.Data>
            <GeometryGroup>
              <LineGeometry x:Name="line1"
                StartPoint="20,20" EndPoint="150,50" />
              <EllipseGeometry x:Name="ellipse1"
                Center="150,50" RadiusX="5" RadiusY="5" />
              <LineGeometry x:Name="line2"
                StartPoint="60,160" EndPoint="250,230" />
              <EllipseGeometry x:Name="ellipse2"
                Center="60,160" RadiusX="5" RadiusY="5" />
            </GeometryGroup>
          </Path.Data>
        </Path>
        <!-- Set animation: -->
        <Canvas.Triggers>
          <EventTrigger RoutedEvent="Canvas.Loaded">
            <BeginStoryboard>
              <Storyboard RepeatBehavior="Forever"
                AutoReverse="True">
                <PointAnimation
                  Storyboard.TargetName="bezierSegment"
                  Storyboard.TargetProperty="Point1" From="50 20" To="250 20"
                  Duration="0:0:5" />
                <PointAnimation
                  Storyboard.TargetName="line1"
                  Storyboard.TargetProperty="EndPoint" From="50 20" To="250 20"
                  Duration="0:0:5" />
              </Storyboard>
            </BeginStoryboard>
          </EventTrigger>
        </Canvas.Triggers>
      </Canvas>
    </Border>
  </Viewbox>
</Window>

   
    
    
    
    
    
  

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