The liver is a gland and plays a major role in metabolism with numerous functions in the human body, including regulation of glycogen storage, decomposition of red blood cells, plasma protein synthesis, hormone production, and detoxification.he liver is a gland and plays a major role in metabolism with numerous functions in the human body, including regulation of glycogen storage, decomposition of red blood cells, plasma protein synthesis, hormone production, and detoxification.
A MessageBox is a predefined dialog box that displays application-related information to the user. Message boxes are also used to request information from the user. To display information to the user in a message box. 1  Navigate to where you would like to add the code for the message box.  Add code using the MessageBox.Show method.
For other uses, see Black box (disambiguation). In science, computing, and engineering, a black box is a device, system or object which can be viewed in terms of its inputs and outputs (or transfer characteristics), without any knowledge of its internal workings. Its implementation is opaque (black).