Based on these details we cannot provide you with specific implementation. Basically creating real time data involves working with the native DateTime class
Furthermore, it is up to your needs to decide how exactly that class should be used in your particular application.
The only example that I think is reasonable assumes that you need to create the data every first minute with start time this particular moment. For this scenario a counter/timer can be used.
timer.Interval = TimeSpan.FromMinutes(1);
timer.Tick += timer_Tick;
//this will be called every 1 minute
//you should create your data here
//using DateTime.Now you will be able to track the time
//when your data is created timer.Stop() should be called
I hope this information is helpful.
Pavel R. Pavlov
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