private void PostSetPageThumbnail(Workers.ThreadedPageWorkerPageProcessedEventArgs e)
{
int itemIndex = e.PageNumber - 1;
if (itemIndex >= 0 && itemIndex < _rasterImageList.Items.Count)
{
ImageViewerItem item = _rasterImageList.Items[itemIndex];
RasterImage image = e.Data as RasterImage;
if (image == null || e.Error != null)
{
// Could no be loaded
using (Bitmap loadingThumbnailBitmap = global::PDFDocumentDemo.Properties.Resources.ErrorThumbnail)
{
image = RasterImageConverter.ConvertFromImage(loadingThumbnailBitmap, ConvertFromImageOptions.None);
}
}
item.Image = image;
_rasterImageList.Invalidate(true);
}
}
private void _generateThumbnailsWorker_PostPageProcessed(object sender, Workers.ThreadedPageWorkerPageProcessedEventArgs e)
{
// This fires in the thumbnails generator thread context, so invoke our updates
BeginInvoke(new PageThumbnailDelegate(PostSetPageThumbnail), new object[] { e });
}
private void PreSetPageThumbnail(Workers.ThreadedPageWorkerPageProcessedEventArgs e)
{
_titleLabel.Text = string.Format("Page {0}...", e.PageNumber);
}
