ROSLYN.USAGE.CA2227 : Collection properties should be read only (C#)

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ROSLYN.USAGE.CA2227 : Collection properties should be read only (C#)

Summary

A writable collection property allows a user to replace the collection with a different collection. A read-only property stops the collection from being replaced but still allows the individual members to be set.

This check corresponds to Roslyn rule CA2227. For full rule details, see the Microsoft website: CA2227.

Properties

Class Name	Collection properties should be read only (C#)
Significance	reliability
Mnemonic	ROSLYN.USAGE.CA2227
Categories	None
Availability	Available for C# only.
Enabling	Checks for this warning class are disabled by default. To enable them, add the following WARNING_FILTER rule to the project configuration file. WARNING_FILTER += allow class="Collection properties should be read only (C#)"

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.