private void button3_Click(object sender, EventArgs e)
{
int value = 0;
int value2 = 0;
string inform = "";
if (numericUpDown2.Value != 0 && textBox2.Text != null && numericUpDown3.Value != 0)
{
value = (int)numericUpDown2.Value;
value2 = (int)numericUpDown3.Value;
inform = textBox2.Text;
IProduct new_product = new Dairy_products(inform, value, value2);
if (new_product is Dairy_products)//сравнение типов
{
array = new IProduct[5];
product1 = new Dairy_products("молоко", 100, 50);
product2 = new Dairy_products("сыр", 20, 450);
product3 = new Dairy_products("ряженка", 50, 45);
product4 = new Dairy_products("сметана", 30, 65);
array[0] = product1;
array[1] = product2;
array[2] = product3;
array[3] = product4;
array[4] = new_product;
label1.Text += "\n";
for (int i = 0; i < array.Length; i++)
{
label1.Text += "\n" + array[i].Show();
}
}
}
}
public Form1()
{
InitializeComponent();
array = new IProduct[4];
product1 = new Dairy_products("молоко", 100, 50);
product2 = new Dairy_products("сыр", 20, 450);
product3 = new Dairy_products("ряженка", 50, 45);
product4 = new Dairy_products("сметана", 30, 65);
array[0] = product1;
array[1] = product2;
array[2] = product3;
array[3] = product4;
}
private void button2_Click(object sender, EventArgs e)
{
int value = 0;
// string inform = "";
if (numericUpDown1.Value != 0 && textBox1.Text != null)
{
value = (int)numericUpDown1.Value;
// inform = textBox1.Text;
for (int i = 0; i < array.Length; i++)
{
Dairy_products new_product = array[i] as Dairy_products; //приведение к типу
if (textBox1.Text == new_product.Name)
{
label1.Text += "\n\n Наименование " + new_product.Name + "\nОстаток товара " + new_product.remains(value) + "\n Выручка с продажи товара " + new_product.revenue_new(value);
}
}
}
}
