Portability Warnings

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Portability warnings support portability across different operating systems.

In This Section

Rule Description
CA1900: Value type fields should be portable This rule checks that structures that are declared by using an explicit layout attribute will align correctly when marshaled to unmanaged code on 64-bit operating systems.
CA1901: P/Invoke declarations should be portable This rule evaluates the size of each parameter and the return value of a P/Invoke, and verifies that their size is correct when marshaled to unmanaged code on 32-bit and 64-bit operating systems.
CA1903: Use only API from targeted framework A member or type is using a member or type that was introduced in a service pack that was not included together with the targeted framework of the project.