What is TextBlock in WPF?
The TextBlock control provides flexible text support for UI scenarios that do not require more than one paragraph of text. It supports a number of properties that enable precise control of presentation, such as FontFamily, FontSize, FontWeight, TextEffects, and TextWrapping.
What is the difference between TextBox and TextBlock in WPF?
Text inside a TextBlock can not be made selectable by the user. TextBoxes are used for displaying text more focused for content input or when content is needed to be made selectable by the user. The TextBox can only be set to one colour, one font size, one font type etc.