private void Billing_FormClosing(object sender, FormClosingEventArgs e)
{
singleton = null;
if (complainForm != null)
{
complainForm.Close();
}
}
public static Billing Create(int auth, String accountNo)
{
int accNo;
if (singleton == null)
{
if (int.TryParse(accountNo, out accNo))
return singleton = new Billing(auth, accNo);
else
return singleton = new Billing(auth, 0);
}
return singleton;
}
public static Billing Create(int auth, String accountNo)
{
int accNo;
if (singleton == null)
{
if (int.TryParse(accountNo, out accNo))
{
return(singleton = new Billing(auth, accNo));
}
else
{
return(singleton = new Billing(auth, 0));
}
}
return(singleton);
}
private void Billing_FormClosing(object sender, FormClosingEventArgs e)
{
singleton = null;
if (complainForm!=null)
complainForm.Close();
}
