private void tsmiShip_Click(object sender, EventArgs e)
{
ShipInfoInfo sinfo = ShipInfoInfo.CreateForm();;
sinfo.MdiParent = this;
sinfo.Show();
}
public static ShipInfoInfo CreateForm()
{
if (_single == null)
{
_single = new ShipInfoInfo();
}
else
{
_single.Activate();
}
return(_single);
}
private void this_FormClosed(object sender, FormClosedEventArgs e)
{
_single = null;
}
