This function allows the user to select a color from the color palette
as the background color of the graphic display window. The background color is
activated by clicking on the Background option in the Display Option menu at
the lower right corner of the screen. Once the function is selected, the
program displays a dialog window to define background color. The user may click
on the color box for top and bottom color of the screen. Once the color box is
clicked, the program will display a color palette, as shown in Figure 4.11.1.
igure 4.11.1 Background Color GUI window and Color Palette
The user may select any color in the palette as the top and bottom background
color of the graphic display window. The program will change the background
color immediately to the desired one, and exit the Color Palette as the color is
selected from the palette. Press the ESC key to exit the function without
selecting any color. The Default button in the Background Color GUI window
resets the background color to default. Unchecking the Background option in the
Display Option menu will turn off the background color option.