NEXTKEY()

Get the next key code in the buffer without extracting it.

Syntax

NEXTKEY() --> nKey

Arguments

None

Returns

<nKey> The value of the next key in the Harbour keyboard buffer.

Description

Returns the value of the next key in the Harbour keyboard buffer without extracting it.

Examples

// Use NEXTKEY() with INKEY() to change display characters, or by
// itself to exit the loop, so that the caller can detect the Esc.
LOCAL nKey, cChar := "+"
WHILE TRUE
?? cChar
nKey := NEXTKEY()
IF nKey == K_ESC
EXIT
ELSE
IF nKey != 0
cChar := CHR( nKey )
END IF
END IF
END WHILE

Tests


KEYBOARD "AB"; ? NEXTKEY(), NEXTKEY() ==> 65 65

Status

Ready

Compliance

NEXTKEY() is compliant with CA-Clipper 5.3

Files

Library is rtl

See Also