private async Task StopRecord() { if (!_isRecording) { return; } try { ShowStatusMessage("Stopping Video Preview"); //await m_mediaCaptureMgr.StopPreviewAsync(); ShowStatusMessage("Stopping Video Record"); await m_mediaCaptureMgr.StopRecordAsync(); if (m_mediaCaptureMgr != null) { ShowStatusMessage("Cleaning Preview"); m_mediaCaptureMgr.Dispose(); previewElement1.Source = null; m_mediaCaptureMgr = null; } if (_isPostToServer) { ShowStatusMessage("Closing network"); _mediaStream.Disconnect(); } else { ShowStatusMessage($"File is saved:{_localFile.Name}"); await _localFile.OpenReadAsync(); var stream = await _localFile.OpenAsync(FileAccessMode.Read); reviewElement.Visibility = Visibility.Visible; previewElement1.Visibility = Visibility.Collapsed; reviewElement.AutoPlay = true; reviewElement.SetSource(stream, _localFile.FileType); reviewElement.Play(); } _isRecording = false; btnStartRecord.IsEnabled = true; btnSaveLocal.IsEnabled = true; btnStopRecord.IsEnabled = false; ShowStatusMessage("Record stopped."); } catch (Exception ex) { ShowExceptionMessage("StopRecord", ex); } }