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eventlistener-truncates-strings-with-embedded-nulls.md

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EventListener truncates strings with embedded nulls

Scope

Edge

Version Introduced

4.5.1

Source Analyzer Status

Available

Change Description

xref:System.Diagnostics.Tracing.EventListener?displayProperty=name truncates strings with embedded nulls. Null characters are not supported by the xref:System.Diagnostics.Tracing.EventSource?displayProperty=name class. The change only affects apps that use xref:System.Diagnostics.Tracing.EventListener?displayProperty=name to read xref:System.Diagnostics.Tracing.EventSource?displayProperty=name data in process and that use null characters as delimiters.

  • Quirked
  • Build-time break

Recommended Action

xref:System.Diagnostics.Tracing.EventSource?displayProperty=name data should be updated, if possible, to not use embedded null characters.

Affected APIs

  • M:System.Diagnostics.Tracing.EventListener.#ctor
  • M:System.Diagnostics.Tracing.EventListener.EnableEvents(System.Diagnostics.Tracing.EventSource,System.Diagnostics.Tracing.EventLevel)
  • M:System.Diagnostics.Tracing.EventListener.EnableEvents(System.Diagnostics.Tracing.EventSource,System.Diagnostics.Tracing.EventLevel,System.Diagnostics.Tracing.EventKeywords)
  • M:System.Diagnostics.Tracing.EventListener.EnableEvents(System.Diagnostics.Tracing.EventSource,System.Diagnostics.Tracing.EventLevel,System.Diagnostics.Tracing.EventKeywords,System.Collections.Generic.IDictionary{System.String,System.String})

Category

Core