- Core Concepts
- Timers enable time-based operations in C# for UI programming and games
- Timer class creates events that occur at set intervals
- Interval determines time between Elapsed function invocations
- Timer depends on system clock resolution for event firing
- Implementation
- Timer setup requires interval setting and Elapsed event handler definition
- += syntax defines event handlers, -= unsubscribes
- Timer implements IDisposable interface for resource management
- Async event handlers use async modifier and return Task
- Timer Types
- Windows Forms Timer for rich client interfaces
- Web UI Timer for ASP.NET web applications
- Threading Timer for background tasks
- System.Timers.Timer is most commonly used wrapper
- Limitations and Alternatives
- C# Timer is not accurate, takes 9.07% longer than intended
- Stopwatch class provides more accurate time measurement
- EventHandler is generic, ElapsedEventHandler requires specific delegate
- Event names should be in past tense