📄 unit1.pas
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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls, MMSystem;
type
TForm1 = class(TForm)
rgpTimerType: TRadioGroup;
Panel1: TPanel;
Label4: TLabel;
Label5: TLabel;
txtInterval: TEdit;
Label1: TLabel;
txtStopCount: TEdit;
lblElapsed: TLabel;
lblCount: TLabel;
lblError: TLabel;
btnStart: TButton;
btnStop: TButton;
procedure btnStartClick(Sender: TObject);
procedure btnStopClick(Sender: TObject);
private
{ Private declarations }
procedure WMTimer(var message: TWMTimer); message WM_TIMER;
procedure CommonTimerProc;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
const
TimerInterval: DWORD = 10; { 箇砞丁筳
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