System.OutOfMemoryException UserControl到面板

Question

该程序将影片加载到布局面板。单击这些电影后，它将在主面板中打开另一个用户控件。它显示电影等的电影海报的名称。打开电影信息用户控件之前，将显示此加载表单。 错误是

System.OutOfMemoryException in this line "panel.Controls.Add(usc)"

private void backgroundWorkerPopularMovies_DoWork(object sender, DoWorkEventArgs e)
{
    popularMovieList.Clear();
    WebClient wc = new WebClient();
    popularMovieList = Methods.MainFormMethods.GetPopularMovieList("tr", 0, wc);
    foreach (var movieUsc in popularMovieList)
    {
        movieUsc.MouseHover += MouseHover;
        movieUsc.MouseLeave += MouseLeave;
        movieUsc.MouseClick+= MouseClick;
    }
}


private async void MouseClick(object sender, EventArgs eventArgs)
{
    MovieUSC button = (MovieUSC) sender;
    movieID = Int32.Parse(Regex.Match(button.Name, @"\d+").Value);
    posterImage = button.btnMoviePoster1.Image;
    LoadingUSC loadingForm = new LoadingUSC();
    Methods.MainFormMethods.AddUSCToPanel(loadingForm, panelMain);

    var work = Task.Factory.StartNew(Methods.MainFormMethods.GetMovieInformation);
    await work;

    Methods.MainFormMethods.AddUSCToPanel(getMovieInfo, panelMain);
    loadingForm.Dispose();
}

public static void AddUSCToPanel(UserControl usc, Panel panel)
{
   panel.Controls.Add(usc);
   usc.Show();
   usc.Dock = DockStyle.Fill;
   usc.BringToFront();
}