private void buttonCreate_Click(object sender, RoutedEventArgs e) { if (textBoxName.Text == "" || textBoxAmount.Text == "" || textBoxInterest.Text == "") { MessageBox.Show("Name, Amount or Interest is empty!"); } else { string name = textBoxName.Text; double amount = double.Parse(textBoxAmount.Text); double interest = double.Parse(textBoxInterest.Text); book = new ClassSavingbook(name); book.PayIn(amount); book.Interest = interest; if (savingsBooks.Contains(book)) { MessageBox.Show("Name already exists!"); } else { savingsBooks.Add(book); listBoxBooks.Items.Refresh(); CurrentCapital(); } } }
public override bool Equals(object obj) { if (obj is ClassSavingbook) { ClassSavingbook otherSavingsBook = (ClassSavingbook)obj; if (otherSavingsBook.Name == this.Name) { return(true); } } return(false); }