private void FinalTransaction()
{
sum = ListFunctions.GetSumOfShoppingList(Program.shoppingList);
if (double.TryParse(textBox1.Text, out cash) && cash > sum)
{
change = cash - sum; //add new form and finish this method
MessageBox.Show("Thank you for your payment.");
System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(ThreadProc2));
t.Start();
this.Close();
}
else
{
textBox1.Clear();
MessageBox.Show("Invalid entry! Please try again.");
}
}
public Cash()
{
InitializeComponent();
textBox2.Text = $"Enter cash amount > ${ListFunctions.GetSumOfShoppingList(Program.shoppingList):0.00}";
}