private void tsmiTestNetwork_Click(object sender, EventArgs e)
{
FrmTestNetwork frm = FrmTestNetwork.GetSingleton();
frm.MdiParent = this;
frm.Show();
frm.Activate();
}
public static FrmTestNetwork GetSingleton()
{
if (frm == null || frm.IsDisposed)
// if (frm == null)
{
frm = new FrmTestNetwork();
}
return(frm);
}
