Mega Code Archive
How to check, how long the system is Idle
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Title: How to check, how long the system is Idle
function LastInput: DWord;
var
LInput: TLastInputInfo;
begin
LInput.cbSize := SizeOf(TLastInputInfo);
GetLastInputInfo(LInput);
Result := GetTickCount - LInput.dwTime;
end;
Usage Examples:
procedure TForm1.Timer1Timer(Sender: TObject);
begin
Label1.Caption := Format('System Idle since %d ms', [LastInput]);
end;
The GetLastInputInfo function retrieves the time of the last input event.
Minimum operating systems: Windows 2000
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