Silverlight MediaElement 双缓冲
我有一个 MediaElement，它在缓冲时显示一个简单的进度条。它在 BufferingProgressChanged 事件中显示或隐藏。代码见下文。
问题是 MediaElement 通常决定缓冲两次，导致进度条显示两次。这是为什么？有办法解决吗？
谢谢！
private void MediaElement_BufferingProgressChanged(object sender, RoutedEventArgs e)
{
if (MediaElement.CurrentState == MediaElementState.Buffering)
{
BufferProgressBar.Value = MediaElement.BufferingProgress;
BufferGrid.Visibility = System.Windows.Visibility.Visible;
}
else
{
BufferGrid.Visibility = System.Windows.Visibility.Collapsed;
}
}
I have a MediaElement that displays a simple progress bar when buffering. It gets displayed or hidden on the BufferingProgressChanged event. For the code, see below.
The problem is that quite often the MediaElement decides to buffer twice, causing the progress bar to show up twice. Why is this and is there a way to fix this?
Thanks!
private void MediaElement_BufferingProgressChanged(object sender, RoutedEventArgs e)
{
if (MediaElement.CurrentState == MediaElementState.Buffering)
{
BufferProgressBar.Value = MediaElement.BufferingProgress;
BufferGrid.Visibility = System.Windows.Visibility.Visible;
}
else
{
BufferGrid.Visibility = System.Windows.Visibility.Collapsed;
}
}
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我认为您可以尝试通过存储 MediaElement 的最后状态来解决此问题，这样您就可以检查它是否正在从 Playing 或 Buffering 进行缓冲。
I think you can try to fix this problem by storing the last status of MediaElement, so then you are able to check whether it's buffering from Playing or Buffering.