private async Task SetThumbnailImageAsync(OTPictureBox picbox, ThumbnailInfo thumbInfo,
CancellationToken cancelToken)
{
try
{
picbox.ShowInitialImage();
picbox.MouseDown += this.pictureBox_MouseDown;
picbox.MouseUp += this.pictureBox_MouseUp;
picbox.Image = await thumbInfo.LoadThumbnailImageAsync(cancelToken);
cancelToken.ThrowIfCancellationRequested();
picbox.MouseMove += this.pictureBox_MouseMove;
if (this.ThumbnailLoadCompleted != null)
this.ThumbnailLoadCompleted(picbox, EventArgs.Empty);
}
catch (Exception)
{
picbox.ShowErrorImage();
try
{
throw;
}
catch (HttpRequestException) { }
catch (InvalidImageException) { }
catch (TaskCanceledException) { }
catch (WebException) { }
}
}
private async Task SetThumbnailImageAsync(OTPictureBox picbox, ThumbnailInfo thumbInfo,
CancellationToken cancelToken)
{
try
{
picbox.ShowInitialImage();
picbox.Image = await thumbInfo.LoadThumbnailImageAsync(cancelToken);
}
catch (Exception)
{
picbox.ShowErrorImage();
try
{
throw;
}
catch (HttpRequestException) { }
catch (InvalidImageException) { }
catch (TaskCanceledException) { }
}
}