The forth parameter is NULL if you want to handle timers by looking at WM_TIMER. It is in milliseconds, so you have to multiple by a thousand if you want seconds. The third parameter is how long you want the timer to wait before it fires. You could have more than one timer running at a time and would need a way to tell which one fired. The second parameter is a number that you can use to uniquely identify the timer. The first parameter to SetTimer is the window that you want to receive the WM_TIMER message - you probably want this to be your window so you can just pass in the hwnd that windows passed you. Return DefWindowProc(hwnd, message, wParam, lParam) MessageBox(hwnd, L"Timer", L"Timer fired!", MB_OK) LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) For example, this would setup a timer that gets called every 45 seconds and displays a message box when it's called: I noticed today I must have had some app chewing up a ton of CPU on my PC to be 14 minutes behind!! I just set my PC to check NTP server every 3600 seconds / 1 hour, which for me is adequate.One way you can do it is to call SetTimer and then handle the WM_TIMER event in your WndProc. Then, I set the other PCs up to USE that server as its NTPserver, and check every 5 minutes. Rather than have every PC get their own time, I set ONE server up (at that time) to reset time every 5 minutes. Back in the XP days, it was not unusual to have PCs that ran 5-10 minutes off PER DAY. I had to search elsewhere, just to find this setting I’ve used in the past before. IF I had used it today for a call or appointment, I would have missed it since mine was 13 minutes late! I suspect gamers benefit more from this tweak, if they slow their PCs with excessive CPU usage over time. The ONE DAY default is just not often enough to rely on, IMO. You really need to add that option to Tweaker so folks can simply change how often to reset their clocks. Under the SpecialPollInterval KEY, modify it from the default, (1 day = 86,400), to my suggestion of 3600 (Binary) = 1 hour. To set the FREQUENCY of how often to check / reset from the NTP server = >Ĭomputer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\W32Time\TimeProviders\NtpClient You might need to restart Windows 10 to apply the changes you made.You can add here a new string value and set the default parameter you have created: The server which is currently in use is determined by the default parameter which should be set to the appropriate number (the value name). There, every time server should be stored under string values named 1,2,3.Go to the following Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\DateTime\Servers.Once you click it, you will be able to enable NTP and specify a custom time server if required:Īlternatively, you can specify a custom NTP server using the Registry. To adjust available settings, you need to click the button "Change settings.": There, switch to the tab named Internet Time.Click the icon Date and Time:The following window will appear on the screen:.Go to the following section: Control Panel\Clock, Language, and Region.To set the NTP server in Windows 10, do the following. To configure NTP, you still need to use the classic Control Panel applet.Ĭonfigure Internet Time (NTP) options in Windows 10 It is located in Settings -> Time & language -> Date & time:Īs of this writing, it does not include anything related to NTP. One of its pages is dedicated to Date and Time options. It already includes all basic management options that the average user needs to control the operating system. With Windows 10, Microsoft is moving all classic settings of the Control Panel to the new Universal (Metro) app called Settings.
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