private void Remove(CertificateDetails sender)
{
layout.Controls.Remove(sender);
for (int i = layout.Controls.Count - 1; i > 0; i--)
{
((CertificateDetails)layout.Controls[i]).Issuer = (CertificateDetails)layout.Controls[i - 1];
}
if (layout.Controls.Count > 0)
{
((CertificateDetails)layout.Controls[0]).Issuer = null;
}
}
