Multithreaded PinVoked DLL in a managed environment. Is it possible?

Question

I have Vendor.DLL (a native DLL written in C ++) that provides many methods. Usually, Vendor.DLL opens its own Vendor files, returns descriptors, and allows more read / write operations for these files. Vendor.DLL supports multithreading (when called from unmanaged code / COM).

If I expose the Pinvoked method from the Vendor DLL, let's say

PinvokedVendor.DLL

[System.Runtime.InteropServices.DllImportAttribute("Vendor.dll", EntryPoint = "SomeVendorMethod")]
            public static extern int SomeVendorMethod(uint param1, ref SomeVendorDataStruct pData);

How to ensure that this wrapper class is thread safe? Is it even thread safe when called from ASP.NET? What are my options?

Thanks in advance.

Answer 1

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Answer 2

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Answer 3

[MTAThread] [STAThread] pinvoke threading COM? ...

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