READKEY()*
Find out which key terminated a READ.
- Syntax
-
- READKEY() --> nKeyCode
- Arguments
-
- None.
- Returns
-
- READKEY() returns a numeric code representing the key that caused READ to terminate.
- Description
-
- READKEY() is used after a READ was terminated to determine the exit key pressed. If the GET buffer was updated during READ, 256 is added to the return code.
Exit | Return code | |
Key | (not updated) | (updated) |
|
Up | 4 | 260 |
Down | 5 | 261 |
Page-Up | 6 | 22 |
Page-Down | 7 | 263 |
Ctrl Page-Up | 34 | 290 |
Ctrl Page-Down | 35 | 291 |
Esc | 12 | 268 |
Ctrl End | 14 | 270 |
Enter | 15 | 271 |
Key >= 32 | 15 | 271 |
otherwise | 0 | |
- READKEY() is a compatibility function so try not to use it. READKEY() is superseded by LASTKEY() which returns the INKEY() code for that key. UPDATED() could be used to find if the GET buffer was changed during the READ.
- Status
-
- Ready
- Compliance
-
- READKEY() is compliant with CA-Clipper 5.3
- Files
-
- Library is rtl
- See Also