ROSLYN.USAGE.CA2255 : The 'ModuleInitializer' attribute should not be used in libraries (C#)

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ROSLYN.USAGE.CA2255 : The 'ModuleInitializer' attribute should not be used in libraries (C#)

See Roslyn-Detected C# Warning Classes for more information.

Summary

Module initializers are intended to be used by application code to ensure an application's components are initialized before the application code begins executing. If library code declares a method with the 'ModuleInitializerAttribute', it can interfere with application initialization and also lead to limitations in that application's trimming abilities. Instead of using methods marked with 'ModuleInitializerAttribute', the library should expose methods that can be used to initialize any components within the library and allow the application to invoke the method during application initialization.

This check corresponds to Roslyn rule CA2255. For full rule details, see the Microsoft website: CA2255.

Properties

Class Name	The 'ModuleInitializer' attribute should not be used in libraries (C#)
Significance	reliability
Mnemonic	ROSLYN.USAGE.CA2255
Categories	None
Availability	Available for C# only.
Enabling	Checks for this warning class are enabled by default. To disable them, add the following WARNING_FILTER rule to the project configuration file. WARNING_FILTER += discard class="The 'ModuleInitializer' attribute should not be used in libraries (C#)"

Relevant Configuration File Parameters

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

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