private void CSRM_Click( object sender, EventArgs e )
{
if ( csr == null )
{
csr = new CSR();
csr.MdiParent = this;
csr.Closed += csr_closed;
csr.Show();
}
else
{
csr.Activate();
}
}
private void csr_closed( object sender, EventArgs e )
{
csr = null;
}