PasswordBox is a simple
TextBox-style control designed for the entry of a password. Rather than display the text typed in, it displays little circles. Although it doesn’t have one by default, you can give it a Windows-style password reveal button if you set
true. This reveals the password while it is pressed, as demonstrated in Figure 12.24.
Although it would be a strange thing to do, you can customize the symbol used to mask the password by setting
PasswordChar to any character. The default circle is the bullet character (Unicode ...