Use an AutoSuggestBox control to let the user enter search terms or to show the user a list of suggestions to choose from as they type. A password box looks like a text input box, except that it renders bullets in place of the text that has been entered. Use a PasswordBox control to collect a password or other private data, such as a Social Security number. If the text is never editable, consider using a TextBlock instead. You can make a TextBox read-only, but this should be a temporary, conditional state. You can use the Text property to get and set the text in a TextBox. Use a TextBox control to let a user enter and edit unformatted text, such as in a form. Platform APIs: TextBox class, Text property Is this the right control?