private void button__apply_Click(object sender, EventArgs e)
 {
     this.saveMetadata();
     InfoProvider ipop = new InfoProvider();
     if (this._UploadMode == form_id3_editor.MODE_CLOUD)
     {
         ipop.createMetadataVersionCloud(this._MetadataToEdit);
     }
     if(this._UploadMode == form_id3_editor.MODE_LOCAL)
     {
         ipop.createMetadataVersionLocal(this._MetadataToEdit);
     }
     this.Close();
 }
 private async void showFriendCircle(string pUsername)
 {
     InfoProvider ipop = new InfoProvider();
     //ipop.g
 }
 private async void refreshDislikeInfo(string pSongID)
 {
     InfoProvider ipop = new InfoProvider();
     label_dislike_counter.Text = (await ipop.getDislikeBySong(pSongID)).ToString();
     label_dislike_counter.Update();
 }
 private async void refreshReproductions(string pSongID)
 {
     InfoProvider ipop = new InfoProvider();
     label_song_reproductions.Text = (await ipop.getSongReproductions(pSongID)).ToString();
     label_song_reproductions.Update();
 }
 private async void button_dislike_Click(object sender, EventArgs e)
 {
     if (listview_data.SelectedItems.Count > 0)
     {
         int index = listview_data.Items.IndexOf(listview_data.SelectedItems[0]);
         InfoProvider ipop = new InfoProvider();
         await ipop.makeDislike(this._SongList[index]._SongID);
         this.refreshDislikeInfo(this._SongList[index]._SongID);
     }
 }