void HandleStartPresentationBtnClick(object sender, EventArgs e)
{
if (this.fileSelectList.CheckedItems.Count > 0)
{
preswin = new PresentationWindow(this.fileSelectList, (int)(this.numOfTilesBox.SelectedItem), (int)(this.secondsBox.Value));
preswin.Show();
preswin.Finished += HandlePreswinFinish;
}
}
void HandlePreswinFinish(object o, EventArgs args)
{
preswin.Close();
preswin = null;
}
