Nasıl yapılır: Görsel Taslağı Zaman Uyumlu Olarak Arama
Aşağıdaki örnek, bir görsel şeridi animasyonu içinde herhangi bir konumu zaman uyumlu bir şekilde aramak SeekAlignedToLastTickStoryboard için yönteminin nasıl kullanılageldi?
Örnek
Aşağıda, örnek için XAML işaretlemesi ve ardından gelen bilgiler ve bilgiler yer alınarak hazır hale geldi.
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="SDKSample.SeekStoryboardSynchronouslyExample">
<StackPanel Margin="20" >
<Rectangle Name="myRectangle"
Width="10" Height="20" Fill="#AA3333FF" HorizontalAlignment="Left" >
<Rectangle.Triggers>
<EventTrigger RoutedEvent="Rectangle.Loaded">
<BeginStoryboard Name="myBeginStoryboard">
<Storyboard Name="myStoryboard" Duration="0:0:4">
<DoubleAnimation
Storyboard.TargetName="myRectangle"
Storyboard.TargetProperty="Width"
Duration="0:0:4" From="10" To="500"/>
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Rectangle.Triggers>
</Rectangle>
<!-- Use this slider to seek to different points of the Storyboard Duration
(in milliseconds). -->
<Slider Name="SeekSlider" ValueChanged="OnSliderValueChanged" Height="Auto"
Width="500" Minimum="0" Maximum="4000" HorizontalAlignment="Left" />
<!-- TextBlock displays the current time position of the Storyboard in milliseconds. -->
<TextBlock Name="PositionTextBlock"/>
</StackPanel>
</Page>
Örnek
Aşağıdaki kod yukarıdaki XAML koduyla birlikte kullanılır.
using System;
using System.Media;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Animation;
namespace SDKSample
{
public partial class SeekStoryboardSynchronouslyExample : Page
{
private void OnSliderValueChanged(object sender, RoutedEventArgs e)
{
int sliderValue = (int)SeekSlider.Value;
// The SeekAlignedToLastTick method should be used to seek a Storyboard synchronously.
myStoryboard.SeekAlignedToLastTick(myRectangle, new TimeSpan(0, 0, 0, 0, sliderValue), TimeSeekOrigin.BeginTime);
PositionTextBlock.Text = sliderValue.ToString();
}
}
}
Imports System.Media
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media.Animation
Namespace SDKSample
Partial Public Class SeekStoryboardSynchronouslyExample
Inherits Page
Private Sub OnSliderValueChanged(ByVal sender As Object, ByVal e As RoutedEventArgs)
Dim sliderValue As Integer = CInt(SeekSlider.Value)
' The SeekAlignedToLastTick method should be used to seek a Storyboard synchronously.
myStoryboard.SeekAlignedToLastTick(myRectangle, New TimeSpan(0, 0, 0, 0, sliderValue), TimeSeekOrigin.BeginTime)
PositionTextBlock.Text = sliderValue.ToString()
End Sub
End Class
End Namespace