| Description |
The
CTL system variable contains a numeric code (integer)
that represents a signal of user input from the keyboard
or mouse. From the keyboard, this code represents how the
user ended the last INPUT statement.
| Value |
Represents |
| 0 |
Enter
key (normal) |
| 1 - 4 |
F1
to F4 keys |
| 5 |
Input
terminated due to SIZ= option |
| 6 - 12 |
F6
to F12 keys |
| > 12 |
Positive
CTL codes (in the range 0 to 32767) represent
function keys as well as user-defined control
signals that are to be returned to the
application. |
| < 0 |
Negative
CTL codes are handled internally by ProvideX (see
Negative CTL
Definitions) |
|