IntPtr hInstance = Marshal.GetHINSTANCE(typeof(Program).Module);
IntPtr hInstance = Marshal.GetHINSTANCE(typeof(string).Module);This code retrieves the instance handle of the module containing the String class. It can be used in scenarios where you need to call into unmanaged code that requires a module handle. Package library: The Marshal class is part of the System.Runtime.InteropServices namespace, which is included with the .NET Framework. Therefore, this method is included in the core .NET Framework library.