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KeyDown.md

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KeyDown

Description

Function KeyDown returns TRUE if a non-modifier keyboard character has been depressed. When TRUE is returned, the ASCII code of the character is returned.

Modifier keys are the Caps Lock, Command, Control, Option, and Shift keys.

FUNCTION KeyDown(VAR asciiCode : LONGINT): BOOLEAN;
def vs.KeyDown():
    return (BOOLEAN, asciiCode)

Parameters

Name Type Description
asciiCode LONGINT ASCII code of key pressed.

Remarks

Using KeyDown (cCode) in a REPEAT...UNTIL loop such as the one that follows will cause VectorWorks to hang. (Windows only).

REPEAT
i := i + 1;
message ('i = ',i);
wait (1);
UNTIL KeyDown (keyCode);

If you have any scripts that use this, you had better check them.

*******************************
*         Tom Urie            *
* Integrated Products Group   *
*        Vectorworks          *
*  vstanev@vectorworks.net    *
*******************************

I think that this is fixed in 901.

Also from Tom... A word of warning:

The VectorScript function KeyDown () is initialized as TRUE on Windows in 9.5. Better check any scripts that use it.

Tom

Examples

VectorScript

WHILE NOT KeyDown(keyHit) DO
BEGIN
SysBeep;
SysBeep;
END;
Message('The key pressed was ',keyHit);
{an annoying example of one use of the KeyDown function}

Python



Version


Availability: from All Versions


Category