GRAPHIC CLEAR statement

Purpose | Clear the entire selected graphic target, optionally using a specified color and fill style.
Syntax | GRAPHIC CLEAR [rgbColor& [, fillstyle&]]
Remarks | The graphic target must first be selected with GRAPHIC ATTACH. The last point referenced (POS) is set to the upper left corner of the graphic window (0,0).
rgbColor& | Optional RGB value representing the fill color. If rgbColor& is omitted (or -1), the graphic target is cleared to the default background color for the selected graphic target.

fillstyle&

Optional fill style (pattern) to be used. If fillstyle& is omitted, the default fill style is solid (0). If a hatch pattern is chosen (1 to 6), the foreground color is specified by the rgbColor&, while the background is specified by the default background color for the selected graphic window. The optional fillstyle& may be:

0 | Solid (default)
1 | Horizontal Lines
2 | Vertical Lines
3 | Upward Diagonal Lines
4 | Downward Diagonal Lines
5 | Crossed Lines
6 | Diagonal Crossed Lines

See also | Built In RGB Color Equates, GRAPHIC ATTACH, GRAPHIC COLOR