急,请问如何在控制台程序中做一个类似SetTimer的计时器?

bekars 瑞星信息技术有限公司 研发主管  2004-08-02 10:21:25
SetTimer是在Windows窗口中实现的,现在我希望在控制台程序中使用类似的一个计时器,请问有没有这样的函数调用?谢谢。
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Hotthing 2004-12-07
我也正在考虑这个1问题
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bekars 2004-08-02
看来是没有什么好办法了,自己写了一个Timer线程类基本实现了。
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宝_爸 2004-08-02
给一个线索,我也没有现成的方法
Knowledge Base

INFO: SetTimer() Should Not Be Used in Console ApplicationsPSS ID Number: Q102482

Article Last Modified on 07-12-2000


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The information in this article applies to:

Microsoft Win32 Software Development Kit (SDK)

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Summary
SetTimer() was not designed to be used with a console application because it requires a message loop to dispatch the timer signal to the timer procedure. In a console application, this behavior can be easily emulated with a thread that is set to wait on an event.



More Information
In Windows NT 3.1, SetTimer() can work within a console application, but it requires a thread in a loop calling GetMessage() and DispatchMessage().

For example:

while (1)
{
GetMessage();
DispatchMessage();
}
Because this requires a thread looping, there is no real advantage to adding a timer to a console application over using a thread waiting on an event.

Another option is to use a multimedia timer, which does not require a message loop and has a higher resolution. In Windows NT 3.5, the resolution can be set to 1 msec using timeBeginPeriod(). See the help for timeSetEvent() and the Multimedia overview. Any application using Multimedia calls must include MMSYSTEM.H, and must link with WINMM.LIB.

Additional query words:

Keywords: kbOSWinNT kbOSWin2000 kbSDKWin32 kbGrpDSUser kbOSWin95 kbOSWin98 kbWndw kbWndwMsg
Issue Type: kbinfo
Technology: kbWin32SDKSearch kbAudDeveloper kbSDKSearch kbWin32sSearch



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