Delphi. This a guide meant to help beginner s grasp the basic concepts in Delphi through the simple game of Pong. It includes manipulation of controls and uses the KeyDown Event to control the Paddles. Lines commented to tell their usage in the program-Delphi.　　This is a guide meant to help beginner s grasp the basic concepts in Delphi through the simple game of Pong. It includes manipulation of controls and uses the KeyDown Event to control the Paddles. Lines commented to tell their usage in the program