Concept for animating many elements in WPF
I am in the situation to visualize many seperate elements. With many I mean 15 to 40.
It is to cumbe开发者_StackOverflowrsome to animate every element by hand in XAML. The animatiom is straightforward, all elements are decreased in size or moved into one direction. It's a flow-chart which has to be minimized.
Is there a way to animate these elements, maybe in a programmatically way so I can loop over the elements any apply similiar animation?
You can create the animations in code and put them in a Storyboard, so that they run syncronously:
<Canvas Name="canvas" Width="200" Height="200">
<Rectangle Canvas.Left="10" Canvas.Top="20" Stroke="Red" Fill="Orange" Width="30" Height="20" />
<Ellipse Canvas.Left="50" Canvas.Top="40" Stroke="Blue" Fill="Green" Width="40" Height="30" />
</Canvas>
<Button VerticalAlignment="Bottom" Content="Click" Click="Button_Click" />
private void Button_Click(object sender, RoutedEventArgs e)
{
Storyboard sb = new Storyboard();
Duration dur = new Duration(TimeSpan.FromSeconds(0.5));
foreach (FrameworkElement child in canvas.Children)
{
DoubleAnimation leftAnim = new DoubleAnimation(Canvas.GetLeft(child) / 2, dur);
DoubleAnimation topAnim = new DoubleAnimation(Canvas.GetTop(child) / 2, dur);
DoubleAnimation widthAnim = new DoubleAnimation(child.Width / 2, dur);
DoubleAnimation heightAnim = new DoubleAnimation(child.Height / 2, dur);
sb.Children.Add(leftAnim);
sb.Children.Add(topAnim);
sb.Children.Add(widthAnim);
sb.Children.Add(heightAnim);
Storyboard.SetTarget(leftAnim, child);
Storyboard.SetTarget(topAnim, child);
Storyboard.SetTarget(widthAnim, child);
Storyboard.SetTarget(heightAnim, child);
Storyboard.SetTargetProperty(leftAnim, new PropertyPath("(Canvas.Left)"));
Storyboard.SetTargetProperty(topAnim, new PropertyPath("(Canvas.Top)"));
Storyboard.SetTargetProperty(widthAnim, new PropertyPath("Width"));
Storyboard.SetTargetProperty(heightAnim, new PropertyPath("Height"));
}
sb.Begin();
}
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