What question did this study set out to answer?

The aim is to guide developers in choosing the appropriate .NET timer based on their use case for optimal performance.

July 29, 2026Open Access

Choosing Between .NET's Three Timers - PeriodicTimer/Timer/DispatcherTimer (archived 2026-07-27)

Key Points

The aim is to guide developers in choosing the appropriate .NET timer based on their use case for optimal performance.
Provides an overview of PeriodicTimer, Timer, and DispatcherTimer.
Includes a decision table for quick reference.
Offers code snippets to demonstrate usage.
PeriodicTimer is recommended for async loop scenarios.
Timer is best suited for ThreadPool callback situations.
DispatcherTimer is ideal for Windows Presentation Foundation (WPF) user interfaces.

Abstract

Which .NET timer should you use? PeriodicTimer for async loops, Timer for ThreadPool callbacks, DispatcherTimer for WPF UI, plus a decision table and code. Archived version of https://comcomponent.com/en/blog/2026/03/12/002-periodictimer-system-threading-timer-dispatchertimer-guide/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-03-12.

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