GRAPH
Starts a graphics program.
Syntax
GRAPH expression [ RESET|CLOSE] [INVISIBLE] [BACKGROUND]
Parameters
| expression
|
A character string, or expression that evaluates to a character string. The content of the string is passed to the graphics program call (e.g., parameters). If no parameters are required, specify the null string.
|
| RESET
|
Flushes all internal data buffers to disk.
|
| CLOSE
|
Flushes all internal data buffers to disk, and closes all files not currently in use.
|
| INVISIBLE
|
Executes the graphics program without affecting the screen display.
|
| BACKGROUND
|
Executes the graphics program asynchronously while Zim continues to run. You can continue working, and have a number of graphics sessions running concurrently.
|
Note: BACKGROUND is ignored in some operating environments.
Comments
The value of the system variable $Graphics identifies the graphics program to be run. If $Graphics has not been assigned a value, the default value is used.
When you exit a graphics program that was not run in the BACKGROUND, execution of your application program resumes following the call to the graphics program.