Delphi 如何检测你的电脑日期或时间的变化-木庄网络博客

本文整理自网络，侵删。

  //the system time of you PC has changed.
 unit Unit1;
 
 interface
 
 uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
   Dialogs, StdCtrls;
 
 type
   TForm1 = class(TForm)
     Button1: TButton;
     procedure Button1Click(Sender: TObject);
   private
   procedure WMTIMECHANGE(var message: TWMTIMECHANGE);
         message WM_TIMECHANGE;
 
     { Private declarations }
   public
     { Public declarations }
   end;
 
 var
   Form1: TForm1;
 
 implementation
 
 {$R *.dfm}
 
 procedure TForm1.Button1Click(Sender: TObject);
 begin
 close;
 end;
 
 procedure TForm1.WMTIMECHANGE(var message: TWMTIMECHANGE);
 begin
 ShowMessage('Time changed');
 end;
 
 end.

Delphi 如何检测你的电脑日期或时间的变化

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