ex.hlp (Topic list)
LINE Statement Example
                        Example                Contents  Index  Back
──────────────────────────────────────────────────────────────────────────────
' This example uses the LINE statement to display a series of screens with
' different line graphics.
 
' Note: To run this example, your screen must be 320 pixels wide by 200
' pixels high and must support CGA screen mode.
 
' To try this example:
' 1. Choose New Project from the File menu
' 2. Copy the example code below to the code window
' 3. Press F5 to run the example
 
 SCREEN 1                   ' Sets up the screen mode
 LINE -(X2, Y2)             ' Draw a line (in the foreground color) from
                            ' the most recent point to X2, Y2.
 DO
 LOOP WHILE INKEY$ = ""     ' Press any key to continue
 
 CLS                        ' Clear the screen
 LINE (0, 0)-(319, 199)     ' Draw a diagonal line across the screen
 DO
 LOOP WHILE INKEY$ = ""     ' Press any key to continue
 
 CLS                        ' Clear the screen
 LINE (0, 100)-(319, 100)   ' Draw a horizontal line across the screen
 DO
 LOOP WHILE INKEY$ = ""     ' Press any key to continue
 
 CLS                        ' Clear the screen
 LINE (10, 10)-(20, 20), 2  ' Draw a line in color 2
 DO
 LOOP WHILE INKEY$ = ""     ' Press any key to continue
 
 CLS                        ' Clear the screen
 FOR X = 0 TO 319           ' Draw an alternating pattern (line on/line off)
     LINE (X, 0)-(X, 199), X AND 1
 NEXT
 DO
 LOOP WHILE INKEY$ = ""     ' Press any key to continue
 
 CLS                          ' Clear the screen
 LINE (0, 0)-(100, 100), , B  ' Draw a box in the foreground color
 DO
 LOOP WHILE INKEY$ = ""       ' Press any key to continue
 
 CLS                                     ' Clear the screen
 LINE STEP(0, 0)-STEP(200, 200), 2, BF   ' Draws a filled box in color 2
                                         ' (coordinates are given as
                                         ' offsets with the STEP option)
 DO
 LOOP WHILE INKEY$ = ""                  ' Press any key to continue
 
 CLS                                     ' Clear the screen
 LINE (0, 0)-(160, 100), 3, , &HFF00     ' Draws a dashed line from the
                                         ' upper-left corner to the center of
                                         ' the screen in color 3
 DO
 LOOP WHILE INKEY$ = ""                  ' Press any key to continue
 SCREEN 1                                ' Final example
 LINE (110, 70)-(190, 120), , B
 LINE (0, 0)-(320, 200), 3, , &HFF00