Syntax
'CLEAR'
'CLEAR'(colornum)
'CLEAR'("colorname")
'CLEAR'(red_val,green_val,blue_val)
Description
The 'CLEAR' mnemonic erases all drawn objects from the window in the current context and covers the window (except any visible controls or child windows) with the specified color.
|
Parameter |
Description |
|
No parameter |
Clear the window to its current background color. |
|
colornum |
Clears the color number. |
|
"colorname" |
Clears the name of the color. |
|
red_val,green_val,blue_val |
Clears the RGB value. |
|
Color |
Number |
|
BLACK |
0 |
|
BLUE |
1 |
|
RED |
2 |
|
MAGENTA |
3 |
|
GREEN |
4 |
|
CYAN |
5 |
|
YELLOW |
6 |
|
WHITE |
7 |
|
DKGRAY |
8 |
|
GRAY |
9 |
|
LTGRAY |
10 |
An !ERROR=29 is returned if the colornum or RGB parameters are out of range or the entry in colornum does not evaluate to one of the specified strings.