private void ConvertToJpegCallback(object sender, EventArgs e)
{
ShowInitPane();
var res = new Resizer(new ProcessingCommand(0, 0, Mode.KeepSize, ManipulateAction.ConvertToJpeg, 85));
res.Progress += resizer_Progress;
res.Completed += resizer_Completed;
res.BeforeWritingFile += resizer_BeforeWritingFile;
res.ConvertImages(GetSelectedItemPaths().ToArray());
}