//GetLastInputInfo是检测系统输入的,应用到某个程序中不合适!
此问题有二种解法来监控输入消息:
1.用线程级HOOK,钩上MOUSEHOOK与KEYBOARDHOOK
2.在Application.OnMessage中做处理
显然,用第2种方法比较方便!
众所周知,键盘与鼠标消息都是队列消息,需要经过消息队列后经过一些处理,再发往各个WNDPROC。基于这个原理,我们可以在ONMESSAGE中做一下消息处理,即先声明全局变量,用于保存上次输入动作的时间,而后用时间控件来进行定时扫描,用GetTickCount来判断是否超时。
===
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, AppEvnts, ExtCtrls, StdCtrls;
type
TForm1 = class(TForm)
ApplicationEvents1: TApplicationEvents;
tmr1: TTimer;
edt1: TEdit;
procedure ApplicationEvents1Message(var Msg: tagMSG;
var Handled: Boolean);
procedure tmr1Timer(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
ElapsedTime:Longint;
implementation
{$R *.dfm}
procedure TForm1.ApplicationEvents1Message(var Msg: tagMSG;
var Handled: Boolean);
begin
case Msg.message of
WM_KEYDOWN,WM_LBUTTONDOWN,WM_LBUTTONUP://各种键盘与鼠标消息
begin
ElapsedTime:=GetTickCount;
//Handled:=True;这里不要把Handled设置为True,否则消息就不分发至WNDPROC了
end;
end;
end;
procedure TForm1.tmr1Timer(Sender: TObject);
begin
if GetTickCount- ElapsedTime>60000 then
begin
tmr1.Enabled:=false;
ShowMessage('1分钟软件没有操作了');
end;
end;
end.
标签:begin,end,Handled,TForm1,var,软件,闲置,GetLastInputInfo,procedure From: https://www.cnblogs.com/lucken2000/p/17391685.html