private void UpdatePreview() { IEntry entry = (IEntry)treEntries.SelectedNode?.Tag; _gameHandlerPages = _gameHandler.GeneratePreviews(entry); SetPage(0); if (entry != null && _gameHandler.HandlerCanGeneratePreviews && Settings.Default.PreviewEnabled && _gameHandlerPages.Count > 0) { pbxPreview.Image = _gameHandlerPages[_page]; } else { pbxPreview.Image = null; } }