private void EnterButton_Click(object sender, EventArgs e) { refrigerator.Items = Convert.ToDouble(itemTextBox.Text); refrigerator.ItemWeight = Convert.ToDouble(weightTextBox.Text); //refrigerator.GetItem(Convert.ToDouble(itemTextBox.Text)); //refrigerator.GetItemWeight(Convert.ToDouble(weightTextBox.Text)); itemTextBox.Clear(); weightTextBox.Clear(); if (refrigerator.GetCurrentWeight() > refrigerator.MaxiMumWeight) { MessageBox.Show("CurrentWeight is OverFlow the maximum weight"); } else { currentWeightTextBox.Text = refrigerator.GetCurrentWeight().ToString(); remainingWeightTextBox.Text = refrigerator.GetRemainingWeight().ToString(); richTextBox.Text += refrigerator.GetItemList().ToString() + ", " + refrigerator.GetItemWeightList().ToString() + ", " + refrigerator.GetCurrentWeight().ToString() + "\n"; } }