home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC World Komputer 1998 January
/
Pcwk0198.iso
/
Dcomplib
/
LEDCOMP.LZH
/
README.TXT
Wrap
Text File
|
1996-09-17
|
2KB
|
62 lines
{##
LED - Component with blinking capabilities v1.1
written 1996 by Markus Plesser (e9300600@stud1.tuwien.ac.at)
Source-code is provided as is. You are not allowed to give this code
away (even to your best friends ;-).
If you have any suggestions or comments please mail me in english or german
to the above stated adress.
Revision history:
=================
** 27.06.1996 - Created, Initial Release 1.0
** 17.09.1996 - Added onClick-Event -> v1.1
P.S.: I┤m from Austria so please accept my apologies for my bad English ;-)
}
unit Led;
interface
uses
SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
Forms, Dialogs, ExtCtrls;
type
TLEDColorType = (Red, Blue, Green, Yellow, Fuchsia, Grey, Aqua, White);
TLEDState = (LEDOn, LEDOff);
type
TLED = class(TGraphicControl)
private
FLEDColor: TLEDColorType;
FLEDState: TLEDState;
FBlinking: Boolean;
LEDTimer: TTimer; {## Used for blinking }
BlinkState: Boolean; {## Which blinkingstate am I in ? }
procedure Paint; override; {## Redraw Bitmap }
procedure writeFLEDColor(aColor: TLEDColorType); {## Set color }
procedure writeFLEDState(aState: TLEDState); {## Set to On/Off }
procedure writeFLEDBlinking(aState: Boolean); {## Make it blink }
procedure writeTimerInt(aInt: Integer); {## Set blinking-interval }
function readTimerInt: Integer; {## Get blinking-interval }
procedure LEDTimerEvent(Sender: TObject); {## Change blinking-state }
public
constructor Create (aOwner: TComponent); override;
published
property Width default 17;
property Height default 17;
property Color: TLEDColorType read FLEDColor
write writeFLEDColor;
property State: TLEDState read FLEDState write writeFLEDState;
property Blinking: Boolean read FBlinking write writeFLEDBlinking;
property BlinkInterval: Integer read readTimerInt write writeTimerInt;
property onClick;
end;
procedure Register;
implementation