void wmfb_FormClosed(object sender, FormClosedEventArgs e)
{
wmfb = null;
}
private void checkAllBankMoneyInformationToolStripMenuItem2_Click(object sender, EventArgs e)
{
if (wmfb == null)
{
wmfb = new WithdrawMoneyFromBank();
wmfb.MdiParent = this;
wmfb.FormClosed += wmfb_FormClosed;
wmfb.Show();
}
else
{
wmfb.Activate();
}
}