timer

Timer intervals, Making 1 timer stop another timer -

Hey guys im trying to get a simple button masher up, What i want timer1 to do is mash keys in richtextbox1 for 30 seconds over and over, after 30 seconds Activate timer2, which will disable timer 1 and press keys in richtextbox 2 once, then wait 10 seconds and activate timer 1 again. Im extremley new to c# but ive tried using timer 3 to...

How to request a page every 30 minutes

Hi guys, This is a question regarding best practices. I hope to get some advice from other developers. I need a page on my website to be requested at least once every 30 minutes. What I am trying to achieve is a timer that runs code I have in the web application. There are some websites that check if your website is up, but in reality...

System.Threading.Timer and 49.7 days timer roll-over

Is it safe to use System.Threading.Timer in windows service running for a long time? In other words, is the 49.7 days timer roll-over problem fixed in Windows Server 2003 32bit + .Net Framework 2.0? Is Thread.Sleep() the only alternative? Thank you. ...

Count-Up Timer Required, iPhone Programming

Hi Guys, I am new to iPhone programming so am hoping someone can help me out here. I have searched the web, but can only find information on count down timers. What I am looking to do is start a count up timer when a button is pressed and then stop it when a certain value drops by, say 5, and finally display that time. I can display va...

What is the maximum precision of the Timer in .NET?

I'm wondering what the precision of the Timer class is in System.Timers, because it's a double (which would seem to indicate that you can have fractions of milliseconds). What is it? ...

Showing message only once

The below code is in OnTimer event. If items from 2 list boxes are not matching - ShowMessage. I need to show the message only once, but because the timer is running, the message keeps popping up at the timer's set interval. I tried disabling the timer after ShowMessage line but then the message would even show. for i := 0 to ListBox2.I...

How do I count how many milliseconds it takes my program to run?

This will show how many seconds: #include <iostream> #include <time.h> using namespace std; int main(void) { int times,timed; times=time(NULL); //CODE HERE timed=time(NULL); times=timed-times; cout << "time from start to end" << times; } This will show how many ticks: #include <iostream> #include <time.h> us...

One-off System.Threading.Timer state not finalized until program exit.

I may be doing something dumb, in which case I apologize. I'm working with the System.Threading.Timer class, and am setting on-off timers, using a state object to pass control information. Everything is work as I expected, except that the state object doesn't get finalized until the program exits. This example shows what I mean. class S...

Will a large number of timers affect timer firing?

If i have a large number of timers (10 to possibly a couple hundred) all with < 100 ms interval, will that affect the firing of any one of them? ...

Changing visibility in WPF with a timer

Hi, I have an application where I need to switch visibility of some controls using a timer. Each 5 seconds, some controls disappears while some other appears. When I used a timer, it says that cannot change the visibility because the timer thread is not the owner of the control. How can we bypass that? Tks ...

jQuery iterative Timer

I want to create a jQuery iterative timer. For this I wrote the following script: $(document).ready(function(){ var t; function x() { alert('x') t = setTimeout("x()",1000); } x(); }); First time the function x() called successfully. But from the next function x() is detect as undefined. What could I...

(Win/C#/.Net) Applet needs to poll at hourly interval - recommendations on best method?

Applet needs to poll for existence of a directory, say, every 1-4 hours, and send a couple emails/NET SENDs if it is not found. Not sure on exact interval yet, but it will definitely not be shorter than 1 hour. The overall "job" will be permanent and continuously-running for the foreseeable future. Applet will be running on a Win2k3 S...

[C#] A problem with MyThread and the Timer Control

Hi, I have e.g that method, which is being invoked in the second Thread: public byte[] ReadAllBytesFromStream(Stream input) { clock.Start(); using (...) { while (some conditions) //here we read all bytes from a stream (FTP) { ... (int-->) ByteCount = aValue;...

StopWatch (System.Diagnostics) and System.Timers

I am new to handling threads. What is the role of System.Diagnostics and System.Timers in the context of Threading ? Both are alternative to each other or they implemented for doing some unique tasks? ...

Simple Javascript MYSQL checking function

Hi friends, I'm not very skilled in web developing by the moment but i've managed to create a web application with PHP that queries a MYSQL Database and shows data in HTML. I would like to check if the table has changed using a timestamp field that I already created and that updates on every insertion. Comparing two timestamps (the pre...

C# task scheduler query

Hi I have developed a scheduler sometime back for an ASP.Net site using cache expiration callbacks. I have the budget now to move the site to a dedicated server so I have written the scheduler as a windows service using a timer object - its working well in test envirinment. I want to know if the timer approach is good enough for this. I...

How do I manage Java timer tasks?

I'm looking for some guidance on how to manage multiple timer tasks. I'd like to be able to dynamically create timers and then when each timer is finished, it'll reset itself. Example: Timer 1 - perform action x - reset to perform action x again in 30 minutes Timer 2 - perform action y - reset to perfom action y again in 10 minut...

Can you flick the idleTimerDisabled boolean on and off from within your app?

For example I have a game with a menu screen and then I have the game itself. I want the timer disabled whilst playing the game but enabled when in the menu screen. I currently have the following code in my app delegate that disables the timer: application.idleTimerDisabled = YES; Any help would be appreciated. ...

Timer interrupt problem in vb.net

I have 2 timers in MVB 2008 Express, one to control the fading in of a window and another to call a beep function every few seconds or so. The problem is that while the window is fading in, it pauses while the timer beeps. Any ideas? Threads maybe? ...

C# - Countdown Timer Using NumericUpDown as Interval

I'm sure this has been asked before, but I cannot seem to find a solution that works. I have a NumericUpDown on my form and a label along with a timer and a button. I want the timer to start when the button is pressed and the interval for the timer to equal that of the NumericUpDown and a countdown will be displayed in the label. I kn...