c# Programming Glossary: poll
What is AsyncCallback? http://stackoverflow.com/questions/1047662/what-is-asynccallback can be executed. With this technique there is no need to poll or wait for the async thread to complete. This is some explaination.. buffer Other techniques are wait until done and polling. Wait Until Done Model The wait until done model allows you.. handles. result.AsyncWaitHandle.WaitOne Polling Model The polling method is similar with the exception that the code will poll..
How to read the Color of a Screen Pixel http://stackoverflow.com/questions/1483928/how-to-read-the-color-of-a-screen-pixel idea. EDIT Given the above GetColorAt function you can poll a certain pixel on the screen in a safe performance friendly..
Determine if internet connection is available http://stackoverflow.com/questions/1859799/determine-if-internet-connection-is-available to be as fast as this tray icon My workaround would be to poll NetworkInterface.GetAllNetworkInterfaces every 500ms and to..
FileSystemWatcher vs polling to watch for file changes http://stackoverflow.com/questions/239988/filesystemwatcher-vs-polling-to-watch-for-file-changes vs polling to watch for file changes I need to setup an application.. or on a network drive. Would the FileSystemWatcher or polling on a timer would be the best option. I have used both methods.. to watch for changes with the files system watcher but poll occasionally to catch missing file changes. Edit If you have..
Refactoring Singleton Overuse http://stackoverflow.com/questions/2925459/refactoring-singleton-overuse acting as the controller. Specifically I continually poll several external instruments via hardware drivers for data... . Another approach is using a ThreadPool to schedule your polling tasks as you may get a large number of threads if you have..
Needed: A Windows Service That Executes Jobs from a Job Queue in a DB; Wanted: Example Code http://stackoverflow.com/questions/3266420/needed-a-windows-service-that-executes-jobs-from-a-job-queue-in-a-db-wanted-e row into the DB. I need my windows service to periodically poll for rows in this table and it should execute a unit of work.. the WAITFOR RECEIVE semantics. This allows for completely poll free self load tuning service behavior. Actually there is more..
A super-simple MVVM-Light WP7 sample? http://stackoverflow.com/questions/3655422/a-super-simple-mvvm-light-wp7-sample A Model that invokes a SOAP based web service regularly polling to get the latest value assume the SOAP service returns a.. control bound to the underlying boolean. Depending on the poll interval the checkbox will update as the server's state changes...
How to send a custom command to a .Net windows Service from.Net code? http://stackoverflow.com/questions/3695245/how-to-send-a-custom-command-to-a-net-windows-service-from-net-code its regular chores and not rebooting. If I have to poll for some file or open a port and spend too much CPU on doing..
Poll C# app's memory usage at runtime? http://stackoverflow.com/questions/463595/poll-c-sharp-apps-memory-usage-at-runtime at runtime I have an app that while running needs to poll its own memory usage. It would be ideal if it could list out..
How to stop BackgroundWorker correctly http://stackoverflow.com/questions/4732737/how-to-stop-backgroundworker-correctly work to the ThreadPool and have your main worker thread poll until this inner worker thread triggers a wait state OR it detects..
How to perform “nslookup host server” http://stackoverflow.com/questions/5468348/how-to-perform-nslookup-host-server host server&rdquo My C# service needs to periodically poll nslookup host server . Currently it spawns a Process that executes..
How do I retrieve a list or number of jobs from a printer queue? http://stackoverflow.com/questions/5593448/how-do-i-retrieve-a-list-or-number-of-jobs-from-a-printer-queue that tells you that the job collection changed you need to poll with a timer. Once a second or so ought to be fine. share improve..
How and why do I set up a C# build machine? http://stackoverflow.com/questions/616149/how-and-why-do-i-set-up-a-c-sharp-build-machine How often should we make this kind of build A We have ours poll SVN every hour looking for code changes then running a build...
Set Timeout For Controller Action http://stackoverflow.com/questions/6184752/set-timeout-for-controller-action and return some sort of process ID then have the client poll another ajax call to passing in this process ID to see if it's..
Multithreaded service, BackgroundWorker vs ThreadPool? http://stackoverflow.com/questions/6627104/multithreaded-service-backgroundworker-vs-threadpool the background threads myself The real life service will poll the database for a list of pending requests execute threads..
Instantly detect client disconnection from server socket http://stackoverflow.com/questions/722240/instantly-detect-client-disconnection-from-server-socket to signal when the socket is disconnected you will have to poll it at a frequency that is acceptable to you. Using this extension..
Performance Counter - System.InvalidOperationException: Category does not exist http://stackoverflow.com/questions/8171865/performance-counter-system-invalidoperationexception-category-does-not-exist #region General Declaration Static Stuff for the polling timer private static System.Threading.Timer pollingTimer.. the polling timer private static System.Threading.Timer pollingTimer private static int stateCounter 0 private static int.. measure public static decimal GetRequestsPerSecond if pollingTimer null Console.WriteLine Starting Poll Timer Let's check..
What is AsyncCallback? http://stackoverflow.com/questions/1047662/what-is-asynccallback you can use wait handles. result.AsyncWaitHandle.WaitOne Polling Model The polling method is similar with the exception that.. result strm.BeginRead buffer 0 buffer.Length null null Poll testing to see if complete while result.IsCompleted Do more..
VS2003 Web Reference for a WCF Service has Extra “IdSpecified” Parameter http://stackoverflow.com/questions/1184245/vs2003-web-reference-for-a-wcf-service-has-extra-idspecified-parameter client side web services proxy code public StudentInfo Poll int Id System.Xml.Serialization.XmlIgnoreAttribute bool IdSpecified.. 2008 WCF server side code OperationContract StudentInfo Poll int Id EDIT 1 here is part of the automatically generated code.. of the automatically generated code at client side about Poll method. return System.Xml.Serialization.XmlElementAttribute..
response size limitaiton of a WCF web serivces http://stackoverflow.com/questions/1281269/response-size-limitaiton-of-a-wcf-web-serivces StudentManagement IStudentManagement public DataTable Poll int Id return MakeParentTable private DataTable MakeParentTable.. new StudentManagementClient DataTable student client.Poll identifier Console.WriteLine student.Rows.Count Client side..
Question about terminating a thread cleanly in .NET http://stackoverflow.com/questions/3632149/question-about-terminating-a-thread-cleanly-in-net section leaving a dangling lock in an acquired state. Poll a stopping flag You have already mentioned this method. This..
Poll C# app's memory usage at runtime? http://stackoverflow.com/questions/463595/poll-c-sharp-apps-memory-usage-at-runtime C# app's memory usage at runtime I have an app that while running..
Performance Counter - System.InvalidOperationException: Category does not exist http://stackoverflow.com/questions/8171865/performance-counter-system-invalidoperationexception-category-does-not-exist if pollingTimer null Console.WriteLine Starting Poll Timer Let's check the performance counter every 1 second and.. return CurrentRequestsPerSecondValue #endregion #region Polling Timer static void OnTimerCallback object state if System.Threading.Interlocked.CompareExchange.. LastRequestTicks 5000 Console.WriteLine Stopping Poll Timer pollingTimer.Dispose pollingTimer null if pcReqsPerSec..
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