Question

what is the difference between B and BF options used with line statement?( Qbasic).

Answer 1

The line statement is used in graphic screen modes to create lines or boxes.

B option

1. B option creates a rectangle using the start and end coordinates as diagonal corners. It creates a box outline with each side parallel to the program screen sides.

2. It is possible to use B with a style% to draw the rectangle outline using the desired pattern.

 

BF option

1. BF creates a filled box.

2. It ignores the style% parameter.

Answer 2

Explanation:

The option B indicates the box option whereas the option BF is used to fill the box with the desired colour shade.