public static bool CheckError(
	CGXNETCore gxNetShared,
	ref string __unnamed001,
	ref string __unnamed002,
	int* __unnamed003
)

Visual Basic does not support APIs that consume or return unsafe types.

public:
static bool CheckError(
	CGXNETCore^ gxNetShared, 
	String^% __unnamed001, 
	String^% __unnamed002, 
	int* __unnamed003
)

F# does not support APIs that consume or return unsafe types.