This article will give you a detailed introduction to the Delphi judgment program that there is no keyboard or mouse action for 30 seconds. Here, the parameters of 1000ms) are set for the timer, indicating an interval of 30 seconds. The specific implementation is as follows. Interested friends can refer to it.
The following is the original code:
(The timer is set to 1000ms here) parameter, indicating an interval of 30 seconds! !
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;
type
TForm1 = class(TForm)
Memo1: TMemo;
Button1: TButton;
Timer1: TTimer;
procedure Timer1Timer(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
procedure AppMessageHandler(var Msg:TMsg;var Handled:Boolean);
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
{ TForm1 }
procedure TForm1.AppMessageHandler(var Msg: TMsg; var Handled: Boolean);
begin
if (msg.message=WM_MOUSEMOVE) or (msg.message=WM_KEYDOWN) then timer1.tag:=0;
end;
procedure TForm1.Timer1Timer(Sender: TObject);
begin
timer1.tag:=timer1.tag+1;
if Timer1.tag=30 then close;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
close;
end;
end.