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我是Windows Phone 8.1开发中的新手,我目前正在尝试录制视频并将其存储在Windows Phone上。但是,我不知道如何做到这一点。下面是一些代码摘录,它是在按下开始/停止记录按钮时执行的代码。代码取自一个例子。WinRT工具包Windows Phone 8.1保存视频与摄像头捕捉控制
我的问题:
- 如何_videoFile可以保存到VideoLibrary?
最好我希望程序在记录停止时执行方法。如何在此方法中获取视频文件名?
private async void OnCaptureVideoButtonClick(object sender, RoutedEventArgs e) { if (!_capturingVideo) { //BtnStartStop.Content = "Stop"; StartAppBarButton.Icon = new SymbolIcon(Symbol.Stop); _capturingVideo = true; _videoFile = await TestedControl.StartVideoCaptureAsync(KnownFolders.VideosLibrary, "capture.mp4"); CapturedVideoElement.Visibility = Visibility.Visible; IRandomAccessStreamWithContentType stream; try { stream = await TryCatchRetry.RunWithDelayAsync<Exception, IRandomAccessStreamWithContentType>( _videoFile.OpenReadAsync(), TimeSpan.FromSeconds(0.5), 10); } catch (Exception ex) { #pragma warning disable 4014 new MessageDialog(ex.Message, "Error").ShowAsync(); #pragma warning restore 4014 return; } CapturedVideoElement.SetSource(stream, _videoFile.ContentType); } else { StartAppBarButton.Icon = new SymbolIcon(Symbol.Camera); _capturingVideo = false; #pragma warning disable 4014 await TestedControl.StopCapture(); #pragma warning restore 4014 } }