private void siparisToolStripMenuItem_Click(object sender, EventArgs e)
{
if (orderFrm == null || orderFrm.IsDisposed == true)
{
CloseForm();
orderFrm = new OrderFrm();
FormBoyutlandir(orderFrm.Width, orderFrm.Height);
orderFrm.MdiParent = this;
orderFrm.FormClosed += OrderFrm_FormClosed;
orderFrm.WindowState = FormWindowState.Maximized;
orderFrm.Show();
}
else
{
orderFrm.Activate();
}
}
private void OrderFrm_FormClosed(object sender, FormClosedEventArgs e)
{
orderFrm = null;
}