Fix System.Timers.Timer Stop() not working after setting AutoReset or Interval on disabled one-shot timer#122843

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stephentoub merged 6 commits intomainfrom

copilot/fix-timer-stop-issue

Jan 11, 2026

Commits on Jan 3, 2026

Commits on Jan 4, 2026

Fix potential race condition in StopWorksAfterSettingAutoResetOrIntervalOnRunningTimer test

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stephentoub
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Simplify timer test to be deterministic without Thread.Sleep race conditions

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Commits on Jan 8, 2026

Move _enabled check into UpdateTimer() method

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stephentoub
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Commits on Jan 9, 2026

Add wait with timeout to verify timer callback doesn't fire after setting properties

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stephentoub
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