private void imgImage_MouseUp(object sender, MouseButtonEventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.ShowDialog();
string tmpfile = ofd.FileName;
eBook tmpEbook = new eBook(tmpfile);
setContentFromEBook(tmpEbook);
}
public void setContentFromEBook(eBook ebook)
{
setTitle(ebook.getTitle());
setImage(ebook.getBookCover());
}