private async void btnPlay_Click(object sender, EventArgs e) { if (this._play.CurrentStatus != MediaStatus.Stopped) { if (this._play.CurrentStatus == MediaStatus.Paused) { // Is currently paused so start playing file and set the image to the pause image. btnPlay.Image = MediaPlayer.Properties.Resources.pause; } if (this._play.CurrentStatus == MediaStatus.Playing) { // Is currently playing a file so pause it and set the image to the play image. btnPlay.Image = MediaPlayer.Properties.Resources.play; } this._play.Pause(); return; } if (this._filePath == String.Empty || this._filePath == null) { if (openFileDialog1.ShowDialog() == DialogResult.OK) { this._filePath = openFileDialog1.FileName; } else { MessageBox.Show("You must select a video file.", "Select a file", MessageBoxButtons.OK, MessageBoxIcon.Information); return; } } _videoSettings = new Discover(this._filePath, MediaPlayer.Properties.Settings.Default.MPlayerPath); await _videoSettings.ExecuteAsync(); this._play.Play(this._filePath); lblVideoLength.Text = TimeConversion.ConvertTimeHHMMSS(_videoSettings.Length); btnPlay.Image = MediaPlayer.Properties.Resources.pause; comboBoxAudioTracks.DisplayMember = "Name"; comboBoxAudioTracks.ValueMember = "ID"; comboBoxAudioTracks.DataSource = _videoSettings.AudioTracks; comboBoxSubtitles.DisplayMember = "Name"; comboBoxSubtitles.ValueMember = "ID"; comboBoxSubtitles.DataSource = _videoSettings.SubtitleList; }