private void toolStripMenuItemThumbnailOpenImage_Click(object sender, EventArgs e)
{
ToolStripItem toolStripItem = sender as ToolStripItem;
if (toolStripItem != null)
{
ThumbnailContainer thumbnailContainer = toolStripItem.Tag as ThumbnailContainer;
if (thumbnailContainer != null)
{
_worker.OpenMediaFile(thumbnailContainer.MediaFile);
}
}
}