private void button1_Click(object sender, EventArgs e)
{
if (bank >= 10)
{
bank -= joe.ReceiveCash(10);
UpdateForm();
}
else
{
MessageBox.Show("The bank is out of money.");
}
}
private void joeGivesToBob_Click(object sender, EventArgs e)
{
bob.ReceiveCash(joe.GiveCash(10));
UpdateForm();
}