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오디오 파일의 재생이 완료된 것을 나타 내기 위해 Storyboard의 Completed 이벤트를 사용하려고합니다. 그러나 .Net은 mp3 및 wav 파일을 재생할 때 다르게 작동하며, 이벤트는 WAV에 대해서만 트리거됩니다. 누군가가 그 이유와 방법을 극복하는 방법에 대한 아이디어가있는 경우MP3가 Storyboard.Completed 이벤트를 트리거하지 않습니다
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525"
x:Name="mainWind">
<Window.Resources>
<Storyboard x:Key="mp3StoryBoard" Completed="Storyboard_Completed">
<MediaTimeline Source="001.mp3" Storyboard.TargetName="mediaEl" >
</MediaTimeline>
</Storyboard>
<Storyboard x:Key="wavStoryBoard" Completed="Storyboard_Completed">
<MediaTimeline Source="001.wav" Storyboard.TargetName="mediaEl" >
</MediaTimeline>
</Storyboard>
</Window.Resources>
<Grid>
<MediaElement x:Name="mediaEl" Height="120" HorizontalAlignment="Left" Margin="120,94,0,0" VerticalAlignment="Top" Width="160" />
<Button Content="Play MP3" Height="23" HorizontalAlignment="Left" Margin="148,260,0,0" Name="btnMP3" VerticalAlignment="Top" Width="75" Click="button1_Click" />
<Button Content="Play WAV" Height="23" HorizontalAlignment="Left" Margin="267,260,0,0" Name="btnWAV" VerticalAlignment="Top" Width="75" Click="btnWAV_Click" />
</Grid>
</Window>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace WpfApplication1
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void button1_Click(object sender, RoutedEventArgs e)
{
Storyboard sb = (Storyboard)this.mainWind.Resources["mp3StoryBoard"];
sb.Begin();
}
private void Storyboard_Completed(object sender, EventArgs e)
{
MessageBox.Show(" Storyboard finished");
}
private void btnWAV_Click(object sender, RoutedEventArgs e)
{
Storyboard sb = (Storyboard)this.mainWind.Resources["wavStoryBoard"];
sb.Begin();
}
}
}
기뻐 것 : 여기
문제를 설명하는 XAML과 코드입니다.