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print?
001
unit utTimer;
002
003
interface
004
uses
005
Windows,SysUtils,Classes;
006
007
type
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THuangJackyTimerThread = class;
009
THuangJackyTimer = class(TComponent)
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private
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FTimeInterval:Integer;
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FOnTimerDo:TNotifyEvent;
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FTimerThread:THuangJackyTimerThread;
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FEnable:Boolean;
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procedure SetEnable(bBool:Boolean);
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procedure SetTimeInterval(aValue:Integer);
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procedure StopThread;
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procedure StartThread;
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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published
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property TimeInterval:Integer read FTimeInterval write SetTimeInterval;
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property OnTimerDo:TNotifyEvent read FOnTimerDo write FOnTimerDo;
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property Enable:Boolean read FEnable write SetEnable;
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end;
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THuangJackyTimerThread = class(TThread)
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private
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&nb
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var
Str:String;
begin
Str:='abc' ;
Str:=str+'d';
str:=copy(Str,1,3);
str:=UpperCase(str);
end;
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