https://learn.microsoft.com/en-us/dotnet/framework/interop/blittable-and-non-blittable-types?redirectedfrom=MSDN
Blittable and Non-Blittable Types - .NET Framework | Microsoft Learn
Learn about blittable and nonblittable types. Blittable data types are commonly represented in managed and unmanaged memory and don't need special handling.
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