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+// The contents of this file are in the public domain. See LICENSE_FOR_EXAMPLE_PROGRAMS.txt
+
+
+/*
+ This is an example illustrating the use of the timer object from the dlib C++ Library.
+
+ The timer is an object that calls some user specified member function at regular
+ intervals from another thread.
+*/
+
+
+#include <dlib/timer.h>
+#include <dlib/misc_api.h> // for dlib::sleep
+#include <iostream>
+
+using namespace dlib;
+using namespace std;
+
+// ----------------------------------------------------------------------------------------
+
+class timer_example
+{
+public:
+ void action_function()
+ {
+ // print out a message so we can see that this function is being triggered
+ cout << "action_function() called" << endl;
+ }
+};
+
+// ----------------------------------------------------------------------------------------
+
+int main()
+{
+ timer_example e;
+
+ // Here we construct our timer object. It needs two things. The second argument is
+ // the member function it is going to call at regular intervals and the first argument
+ // is the object instance it will call that member function on.
+ timer<timer_example> t(e, &timer_example::action_function);
+
+ // Set the timer object to trigger every second
+ t.set_delay_time(1000);
+
+ // Start the timer. It will start calling the action function 1 second from this call
+ // to start.
+ t.start();
+
+ // Sleep for 10 seconds before letting the program end.
+ dlib::sleep(10000);
+
+ // The timer will destruct itself properly and stop calling the action_function.
+}
+
+// ----------------------------------------------------------------------------------------
+