... . I have created a small program which you might like to try making and modifying. You specifically asked about drawing on the screen. The executable is attached below. It is unsigned, so you will need to click through the security warnings. I will post the code later. Unlike web examples, you can ask me what each bit means. regards, Martin. Attachment: attach_2445_2956_derek_project.exe 313 posted: 31 May 2017 14:59 from: Martin Wynne Hi Derek, You need to put 4 objects on the form: 2_310928_040000000.png 1. From the Standard tab, select a TButton (they describe themselves if hovered over), click and drag a rectangle for it on the form. On the Object Inspector window, give it the Name colour_button, and the Caption choose background colour. 2. Add another one on the form. Give it the Name go_button, and the Caption GO. Those are the visible controls. Now you need two "designers". These objects appear on the form at design time, but not when the program runs ...