<PackageReference Include="NETStandard.Library" Version="2.0.3" />

System.Runtime.InteropServices.UnmanagedType

public enum UnmanagedType
AnsiBStr = 35

AsAny = 40

Bool = 2

BStr = 19

ByValArray = 30

ByValTStr = 23

Currency = 15

CustomMarshaler = 44

Error = 45

FunctionPtr = 38

HString = 47

I1 = 3

I2 = 5

I4 = 7

I8 = 9

IDispatch = 26

IInspectable = 46

Interface = 28

IUnknown = 25

LPArray = 42

LPStr = 20

LPStruct = 43

LPTStr = 22

LPWStr = 21

R4 = 11

R8 = 12

SafeArray = 29

Struct = 27

SysInt = 31

SysUInt = 32

TBStr = 36

U1 = 4

U2 = 6

U4 = 8

U8 = 10

VariantBool = 37

VBByRefStr = 34