CTL Control Code: Key to End Input

Numeric System Variable

Contents

Integer, end input code

Description

The CTL 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 PxPlus (see Negative CTL Definitions)