// Constructor
public ProblemSelectionPage()
{
InitializeComponent();
// Create ProblemLoadingWorker (backgroundworker)
ProblemLoadingWorker = new BackgroundWorker
{
WorkerReportsProgress = true
};
ProblemLoadingWorker.DoWork += ProblemLoadingWorker_DoWork;
ProblemLoadingWorker.RunWorkerCompleted += ProblemLoadingWorker_RunWorkerCompleted;
ProblemLoadingWorker.ProgressChanged += ProblemLoadingWorker_ProgressChanged;
ProblemData.LoadAtLeast(10);
ProblemListBox_LoadAll();
}