private void tsMenuPriviledges_Click(object sender, EventArgs e)
{
if (priviledges == null)
{
priviledges = new frmPriviledges();
priviledges.MdiParent = this;
priviledges.FormClosed += new FormClosedEventHandler(priviledges_FormClosed);
priviledges.Show();
}
else
{
priviledges.Activate();
priviledges.WindowState = FormWindowState.Normal;
}
}
void priviledges_FormClosed(object sender, FormClosedEventArgs e)
{
priviledges = null;
}