System.Drawing.Common library should conform to interop guidelines

[mthalman]

The following list of directories do not conform to the interop guidelines:

• https://github.com/dotnet/runtime/tree/main/src/libraries/System.Drawing.Common/src/Interop

Specifically, the file organization section states that all Interop.*.cs files should all be defined in the Common directory. Conforming to the guidelines and having a standardized way of defining native interop supports the work for being able to track and detect platform dependencies.

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Issue Details

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The following list of directories do not conform to the interop guidelines:

• https://github.com/dotnet/runtime/tree/main/src/libraries/System.Drawing.Common/src/Interop

Specifically, the file organization section states that all Interop.*.cs files should all be defined in the Common directory. Conforming to the guidelines and having a standardized way of defining native interop supports the work for being able to track and detect platform dependencies.

Author:	mthalman
Assignees:	-
Labels:	area-Interop-coreclr, area-System.Drawing, untriaged
Milestone:	-