private void ExecuteOpenImageFile()
        {
            System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
            openFileDialog.Filter = "PNG Files (.png)|*.png|JPG Files (.jpg)|*.jpg|JPEG Files (.jpeg)|*.jpeg|All Files (*.*)|*.*";
            openFileDialog.FilterIndex = 1;

            if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                Model.Image NewImage = new Model.Image(openFileDialog.FileName);
                ImageList.Add(NewImage);
                XMLMedia XMLImage = new XMLMedia();
                XMLImage.LoadXML("Image.xml");
                XMLImage.AddMedia(NewImage);
                XMLImage.WriteXML("Image.xml");
            }
        }
        private void ExecuteOpenMusicFile()
        {
            System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
            openFileDialog.Filter = "MP3 Files (.mp3)|*.mp3|All Files (*.*)|*.*";
            openFileDialog.FilterIndex = 1;

            if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                Model.Music NewMusic = new Model.Music(openFileDialog.FileName);
                MusicList.Add(NewMusic);
                XMLMedia XMLMusic = new XMLMedia();
                XMLMusic.LoadXML("Music.xml");
                XMLMusic.AddMedia(NewMusic);
                XMLMusic.WriteXML("Music.xml");
            }
        }
        private void ExecuteOpenVideoFile()
        {
            System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
            openFileDialog.Filter = "MP4 Files (.mp4)|*.mp4|WMV Files (.wmv)|*.wmv";
            openFileDialog.FilterIndex = 1;

            if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                Model.Video NewVideo = new Model.Video(openFileDialog.FileName);
                VideoList.Add(NewVideo);
                XMLMedia XMLVideo = new XMLMedia();
                XMLVideo.LoadXML("Video.xml");
                XMLVideo.AddMedia(NewVideo);
                XMLVideo.WriteXML("Video.xml");
            }
        }
        /* LOAD VIDEO FROM XML */
        private void LoadVideosFromXML()
        {
            XMLMedia XMLVideo = new XMLMedia();
            XMLVideo.LoadXML("Video.XML");

            List<String> videoList = XMLVideo.ExtractMedias();

            foreach (var video in videoList)
            {
                var DirectoriesVideos = from DirectoryVideo in VideoList where DirectoryVideo.Path == video select DirectoryVideo;

                if (DirectoriesVideos.Count() == 0)
                {
                    VideoList.Add(new Model.Video(video));
                }
            }
        }
        /* LOAD IMAGES FROM XML */
        private void LoadImagesFromXML()
        {
            XMLMedia XMLImage = new XMLMedia();
            XMLImage.LoadXML("Image.XML");

            List<String> imagesList = XMLImage.ExtractMedias();

            foreach (var image in imagesList)
            {
                var DirectoriesImages = from DirectoryImage in ImageList where DirectoryImage.Path == image select DirectoryImage;

                if (DirectoriesImages.Count() == 0)
                {
                    ImageList.Add(new Model.Image(image));
                }
            }
        }
        /* LOAD IMAGE FROM XML */
        private void LoadMusicsFromXML()
        {
            XMLMedia XMLMusic = new XMLMedia();
            XMLMusic.LoadXML("Music.XML");

            List<String> musicList = XMLMusic.ExtractMedias();

            foreach (var music in musicList)
            {
                var DirectoriesMusics = from DirectoryMusic in MusicList where DirectoryMusic.Path == music select DirectoryMusic;

                if (DirectoriesMusics.Count() == 0)
                {
                    MusicList.Add(new Model.Music(music));
                }
            }
        }