C# WPF MediaElement NaturalDuration自动持续时间为5秒,如何更改?
WPF MediaElement当自然适应是自动的,持续时间是5秒时,我如何更改它C# WPF MediaElement NaturalDuration自动持续时间为5秒,如何更改?,c#,wpf,duration,mediaelement,C#,Wpf,Duration,Mediaelement,WPF MediaElement当自然适应是自动的,持续时间是5秒时,我如何更改它 . . var uri = new Uri(items[itemIndex++], UriKind.Absolute); mediaElementMain.Clock = new MediaTimeline(uri).CreateClock(); . . private void mediaElementMain_MediaOpened(object sender, RoutedEventArgs e) {
.
.
var uri = new Uri(items[itemIndex++], UriKind.Absolute);
mediaElementMain.Clock = new MediaTimeline(uri).CreateClock();
.
.
private void mediaElementMain_MediaOpened(object sender, RoutedEventArgs e)
{
if(mediaElementMain.NaturalDuration == Duration.Automatic)
{
//????
}
}